Chapter #4 Body Tissues and Membranes, Chapter#5 The Integumentary System
A tissue is defined as: Organelles that are grouped together for dividing purposes. A group of specialized cells with similar function. A group of molecules with similar function. A group of organs with a similar function.
A group of specialized cells with similar function.
Which of the following is NOT a danger signal for cancer? A)A sore that heals quickly. B)A change in bowel habits. C)An obvious change in a wart or mole. D)A nagging cough.
A)A sore that heals quickly.
What type of connective tissue is made of enlarged fibroblasts that are filled with fat,and provides insulation,padding,and energy storage? A)Adipose tissue B)Areolar connective tissue C)Dense connective tissue D)Aponeuroses
A)Adipose tissue
Which of the following is NOT a characteristic of connective tissue? A)All types are avascular. B)It has a non-living extracellular matrix. C)It contains fibers as well as cells. D)Can be a solid,semifluid,or a fluid
A)All types are avascular.
Which of the following is the most common type of skin cancer? A)Basal cell carcinoma B)Squamous cell carcinoma C)Melanoma D)Kaposi's sarcoma
A)Basal cell carcinoma
Which of the following is NOT a sign of inflammation as seen in a skin injury? A)Cold B)Swelling C)Redness D)Pain
A)Cold
What type of tissue is made of concentric rings called an osteon or Haversian system? A)Compact bone B)Hyaline cartilage C)Adipose tissue D)Spongy bone
A)Compact bone
Which of the following is NOT a cause of skin wrinkles? A)Decrease in the number of hair follicles B)Less padding from the hypodermis C)Loose epidermis D)Fewer and less organized dermal fibers
A)Decrease in the number of hair follicles
Which of the following allows movement of muscles and joints and maintains normal skin tension? A)Elastic fibers B)Collagen fibers C)Sensory fibers D)Dermal papillae
A)Elastic fibers
What type of cartilage makes up the intervertebral disks? A)Fibrocartilage B)Hyaline cartilage C)Elastic cartilage
A)Fibrocartilage
What condition is described by high temperature,low blood pressure,and loss of salts due to profuse sweating? A)Heat exhaustion B)Heat stroke C)Fever D)Hypothermia
A)Heat exhaustion
Which of the following is the most common type of cartilage? A)Hyaline cartilage B)Elastic cartilage C)Fibrocartilage
A)Hyaline cartilage
What type of skin cancer is seen most often in patients with AIDS? A)Kaposi's sarcoma B)Basal cell carcinoma C)Melanoma D)Squamous cell carcinoma
A)Kaposi's sarcoma
Which of the following are connective tissue membranes? A)Meninges B)Cutaneous membranes C)Serous membranes D)Mucous membranes
A)Meninges
Which of the following is NOT a shape of epithelial tissue cells? A)Rectangular B)Squamous C)Columnar D)Cuboidal
A)Rectangular
What type of gland is associated with hair follicles? A)Sebaceous glands B)Apocrine sweat glands C)Eccrine sweat glands D)Ceruminous glands
A)Sebaceous glands
What is the purpose of Goblet cells found in columnar and pseudo columnar epithelium? A)Secrete mucus B)Secrete digestive enzymes C)Secrete water D)All apply.
A)Secrete mucus
What type of epithelium is often found in glands and kidney tubules? A)Simple cuboidal B)Simple squamous C)Stratified squamous D)Pseudostratified columnar
A)Simple cuboidal
Which of the following connects muscles to bones? A)Tendons B)Cartilage C)Adipose tissue D)Ligaments
A)Tendons
Which of the following is a type of loose fibrous connective tissue? A)Tendons B)Cartilage C)Adipose tissue D)Ligaments
A)Tendons
What is the main determinant of connective tissue properties? A)The characteristics of the matrix B)The characteristics of the cells C)The types of cells present D)The layers of the tissue
A)The characteristics of the matrix
Impetigo is A)a bacterial infection resulting in crusty pustules. B)caused by over keratinization. C)overactive cell division. D)a fungal infection.
A)a bacterial infection resulting in crusty pustules.
The inability to produce the pigment melanin is called A)albinism. B)cyanosis. C)decubitus. D)alopecia.
A)albinism.
Nerves are primarily composed of A)axons. B)dendrites. C)cell bodies. D)All apply.
A)axons.
Which type of neuroglia line the ventricles of the brain? A)ependymal cells B)microglia C)Schwann cells D)astrocytes
A)ependymal cells
Glands are mostly made of A)epithelial cells. B)muscle cells. C)nerve cells. D)blood cells.
A)epithelial cells.
Glands that secrete products into ducts are called A)exocrine. B)endocrine. C)hormonal. D)endocrine and hormonal.
A)exocrine.
The epidermis only is damaged from a A)first-degree burn. B)second-degree burn. C)third-degree burn. D)fourth-degree burn.
A)first-degree burn.
A condition described by excessive body and facial hair in women is A)hirsutism. B)decubitus ulcer. C)scabies. D)alopecia.
A)hirsutism.
The ___________ contains adipose tissue,while the ___________ contains melanocytes. A)hypodermis,epidermis B)epidermis,dermis C)skin,hypodermis D)stratum basale,stratum corneum
A)hypodermis,epidermis
Flexion creases in the skin are due to the A)hypodermis. B)epidermis. C)cutaneous membrane. D)dermis.
A)hypodermis.
Actin and myosin are found in A)muscle. B)bone. C)blood. D)cartilage.
A)muscle.
Cancers of connective tissue are called A)sarcomas. B)carcinomas. C)leukemias. D)lymphomas.
A)sarcomas.
Skeletal muscle is A)striated and voluntary. B)striated and involuntary. C)smooth and involuntary.
A)striated and voluntary.
Poorly oxygenated blood in the dermis will cause an individual to A)turn cyanotic. B)blush. C)have pallor. D)be pinkish.
A)turn cyanotic
--------connective tissue stores fat and also serves to protect internal organs.
Adipose
The skin consists of ____ region(s). A)1 B)2 C)3 D)4
B)2
Which type of gland opens into hair follicles and secretes sweat after puberty? A)Sebaceous glands B)Apocrine sweat glands C)Eccrine sweat glands D)Ceruminous glands
B)Apocrine sweat glands
What characteristic makes blood different from other types of connective tissue? A)Blood is made of several types of cells. B)Blood matrix is not made by the blood cells. C)Blood has no matrix. D)All apply.
B)Blood matrix is not made by the blood cells.
Along with sweat glands,what actively regulates body temperature? A)Adipose tissue B)Blood vessels C)Sebaceous glands D)All apply.
B)Blood vessels
What are found in lacunae of bone? A)Blood vessels B)Bone cells C)Nerves D)Blood vessels and nerves
B)Bone cells
What procedure uses a variety of drugs to kill cancer cells? A)Radiation B)Chemotherapy C)Gene therapy D)Surgery
B)Chemotherapy
Which of the following prevents the skin from overstretching and gives it strength? A)Melanin B)Collagen fibers C)Adipose tissue D)Elastic fibers
B)Collagen fibers
Which layer of the skin contains blood vessels AND nerve fibers? A)Epidermis B)Dermis C)Epidermis and dermis
B)Dermis
In the ABCDE rule for melanoma,which of the following is NOT a warning sign? A)Uneven coloration B)Diameter greater than 3mm C)Perfectly round D)Changing size,shape,and elevation
B)Diameter greater than 3mm
Which type of tissue covers surfaces and lines cavities? A)Connective B)Epithelium C)Muscle D)Connective and muscle
B)Epithelium
What type of cartilage makes up the fetal skeleton? A)Fibrocartilage B)Hyaline cartilage C)Elastic cartilage
B)Hyaline cartilage
Where would a mucous membrane be found? A)Lining internal cavities B)Lining tubes and organs that open to the outside C)Covering internal organs D)Covering the brain
B)Lining tubes and organs that open to the outside
Simple cuboidal epithelium that forms kidney tubules may have many microvilli.What is the reason for the microvilli? A)Protection from abrasion B)More surface area for reabsorption C)Sweeping away debris D)Lubrication
B)More surface area for reabsorption
Which of the following is NOT a formed element found in blood? A)Erythrocytes B)Plasma C)Leukocytes D)Thrombocytes
B)Plasma
Which of the following is NOT another name for the skin? A)Integument B)Serous membrane C)Cutaneous membrane D)All apply.
B)Serous membrane
Which layer of the epidermis is closest to the surface? A)Stratum lucidum B)Stratum corneum C)Dermis D)Stratum basale
B)Stratum corneum
What type of skin gland secretes sweat? A)Sebaceous gland B)Sudoriferous gland C)Ceruminous gland D)Mammary gland
B)Sudoriferous gland
What is the function of an adhesion junction? A)Create an impermeable barrier between cells B)To keep cells from pulling apart C)To allow materials to pass from cell to cell D)None apply.
B)To keep cells from pulling apart
Keratin is A)a pigment. B)a waterproof protein. C)located in the hypodermis. D)All apply.
B)a waterproof protein.
In the ABCDE rule for melanoma,"B" stands for A)borders that are even. B)borders that are irregular. C)burning feeling. D)bright colors.
B)borders that are irregular.
Cancers of epithelial tissues are called A)sarcomas. B)carcinomas. C)leukemias. D)lymphomas.
B)carcinomas.
Dandruff is A)a viral infection of the scalp. B)caused by over keratinization. C)caused by sensitivity to chemicals. D)a fungal infection of the scalp.
B)caused by over keratinization.
Which type of fiber found in connective tissue provides flexible strength? A)reticular B)collagen C)keratin D)elastic
B)collagen
Continuous pressure that reduces blood supply to the skin can result in a(n) A)urticariA. B)decubitus ulcer. C)hirsutism. D)callus.
B)decubitus ulcer.
Hair is produced by epithelial cells located in the A)epidermis. B)dermis. C)hypodermis. D)dermis and hypodermis.
B)dermis.
Glands that secrete products directly into the blood are A)exocrine glands. B)endocrine glands. C)goblet glands. D)plasma glands.
B)endocrine glands.
Which extracellular junction allows for the transfer of materials between adjacent cells? A)adhesion junction B)gap junction C)tight junction D)membrane junction
B)gap junction
Vitamin D is needed by the body to A)form keratin. B)move calcium and phosphorus into the bones. C)make blood cells. D)help the skin tan.
B)move calcium and phosphorus into the bones.
A neuron is a A)muscle cell. B)nerve cell. C)fiber cell. D)cartilage cell.
B)nerve cell.
Neuroglia are associated with A)bone cells. B)neurons. C)muscle fibers. D)blood cells.
B)neurons.
Reduced blood flow into the dermis will cause A)cyanosis. B)pallor. C)blushing. D)jaundice.
B)pallor.
Lymphatic tissue is composed of A)loose connective tissue. B)reticular connective tissue. C)dense irregular connective tissue. D)dense regular connective tissue.
B)reticular connective tissue.
The epidermis and part of the dermis are damaged from a A)first-degree burn. B)second-degree burn. C)third-degree burn. D)fourth-degree burn.
B)second-degree burn.
Several layers of epithelial cells with columnar basal cells and squamous free surface cells would be called A)pseudostratified columnar epithelium. B)stratified squamous epithelium. C)stratified columnar epithelium. D)simple squamous-columnar epithelium.
B)stratified squamous epithelium.
Cardiac muscle is A)striated and voluntary. B)striated and involuntary. C)smooth and involuntary.
B)striated and involuntary.
Rheumatoid arthritis is associated with A)meninges. B)synovial membranes. C)mucous membranes. D)All apply.
B)synovial membranes.
Pseudostratified ciliated columnar epithelial tissue is found in (on)the A)skin. B)trachea. C)blood vessels. D)digestive tract.
B)trachea.
Simple squamous epithelium forms the alveolar walls in the lungs and the walls of the capillaries.Why would you expect diffusion to occur more easily through simple squamous epithelium?
Because the cells are flat and single layered,making diffusion easier than it would be across multiple layers of cells.
A lowered body temperature is a condition called ,_______ while an increased body temperature, sometimes associated with a fever, is a condition called __________.
Blank 1: hypothermia Blank 2: hyperthermia
Problems with aging skin can include dry, itchy, cracked skin from decreased ________ , production and gray hair from a decrease in______ production.
Blank 1: sebum Blank 2: melanin
Describe the skin's involvement in temperature regulation.
Blood vessels in the dermis can constrict to receive less blood and conserve heat or dilate to receive more blood and allow heat to radiate away from the body.Sweat glands remain inactive or secrete sweat.Sweat carries heat away from the body as it evaporates
Which of the following are changes that occur in the skin as it ages? Breakdown of elastin and collagen fibers causing wrinkles Decrease in melanocytes Increase in sebum production Decrease in subcutaneous fat Increase in body hair
Breakdown of elastin and collagen fibers causing wrinkles Decrease in melanocytes Decrease in subcutaneous fat
What percentage of a person's skin would be involved if they had burned their left arm,front of the trunk,and the front of their left leg? A)45% B)40.5% C)36% D)31.5%
C)36%
What substances are found in bone? A)Calcium salts B)Collagen fibers C)Both calcium salts and collagen fibers
C)Both calcium salts and collagen fibers
Which type of muscle has intercalated disks? A)Skeletal muscle B)Smooth muscle C)Cardiac muscle D)Both smooth and cardiac muscles.
C)Cardiac muscle
Which type of muscle tissue contains branched fibers? A)Skeletal muscle B)Smooth muscle C)Cardiac muscle D)Skeletal and cardiac muscles
C)Cardiac muscle
Which contains a nucleus? A)Axon B)Dendrite C)Cell body D)Axon and dendrite
C)Cell body
What is a scar composed of? A)Epithelium B)Blood clot C)Collagen fibers D)Areolar tissue
C)Collagen fibers
Which tissue contains an extensive extracellular matrix? A)Muscle B)Nervous C)Connective D)Epithelial
C)Connective
Which type of tissue binds and supports body parts? A)Epithelium B)Nervous C)Connective D)Muscular
C)Connective
What occurs when the body's temperature regulatory mechanism is overcome? A)Hypothermia B)Hyperthermia C)Either hypothermia or hyperthermia
C)Either hypothermia or hyperthermia
What type of cartilage makes up the frame of the outer ear? A)Fibrocartilage B)Hyaline cartilage C)Elastic cartilage
C)Elastic cartilage
What is NOT a function of fibroblasts in wound healing? A)Bring about scar formation B)Promote tissue regeneration C)Fight infections D)Pull the margins of wound together
C)Fight infections
Which of the following is NOT a characteristic of epithelial tissue? A)It readily divides to produce new cells. B)It has a basement membrane to connect to underlying tissue. C)It has many blood vessels to support its nutrient needs. D)It always has a free surface.
C)It has many blood vessels to support its nutrient needs.
Which of the following is NOT a characteristic of spongy bone? A)Made of bony plates called trabeculae B)Spaces of bone marrow produce blood cells C)Made of bony rings called lamellae D)Made to provide strength and support
C)Made of bony rings called lamellae
Which is the most dangerous form of skin cancer? A)Basal cell carcinoma B)Squamous cell carcinoma C)Melanoma D)Both basal cell carcinoma and squamous cell carcinoma
C)Melanoma
What membranes protect the brain and spinal cord? A)Mucous membranes B)Synovial membranes C)Meninges D)Cutaneous membranes
C)Meninges
Which of the following types of cells are NOT found in the epidermis? A)Squamous epithelial cells B)Langerhans cells C)Red blood cells D)Melanocytes
C)Red blood cells
Which type of neuroglia forms the myelin sheath around nerves outside the brain and spinal cord? A)ependymal cells B)astrocytes C)Schwann cells D)oligodendrocytes
C)Schwann cells
What type of tissue lines the small intestine? A)Squamous epithelium B)Loose connective C)Simple columnar epithelium D)Simple cuboidal epithelium
C)Simple columnar epithelium
Which type of epithelium would be best for providing protection against abrasion? A)Simple cuboidal epithelium B)Transitional epithelium C)Stratified squamous epithelium D)Pseudostratified columnar epithelium
C)Stratified squamous epithelium
Which of the following is NOT an aging effect of the skin? A)The skin wrinkles. B)The hair turns gray. C)The amount of adipose tissue increases. D)There are fewer sweat glands.
C)The amount of adipose tissue increases.
Which of the following is NOT a protective function of the skin? A)Melanocytes protect from UV radiation. B)As a covering,it keeps pathogens out. C)The oily secretions allow bacteria to grow. D)Langerhans cells phagocytize pathogens.
C)The oily secretions allow bacteria to grow.
What happens to cells when they move from the epidermis to the surface of the skin? A)They obtain more nutrients. B)They divide more. C)They die. D)They become dermal cells.
C)They die.
What is needed to produce vitamin D? A)Calcium B)Phosphorus C)Ultraviolet light D)Calcium and phosphorus
C)Ultraviolet light
A person with no color in their skin,hair,and eyes has A)been exposed to the sun. B)a circulatory disorder. C)a genetic disorder. D)a nervous disorder.
C)a genetic disorder.
An inflammation of sebaceous glands that occurs during adolescence is A)impetigo. B)psoriasis. C)acne vulgaris. D)decubitus ulcer.
C)acne vulgaris.
The central canals of compact bone contain A)blood vessels. B)nerve fibers. C)both blood vessels and nerve fibers.
C)both blood vessels and nerve fibers.
Eczema is A)a bacterial infection. B)caused by over keratinization. C)caused by sensitivity to chemicals. D)caused by overactive cell division giving silvery scales.
C)caused by sensitivity to chemicals.
Specialized columnar cells that secrete mucus onto the surfaces of the tissue are called A)adipose cells. B)surface cells. C)goblet cells. D)endocrine cells.
C)goblet cells.
A cancer that travels to invade healthy tissue is said to A)be benign. B)be mutated. C)have metastasized. D)None apply.
C)have metastasized.
The epidermis and dermis make up the A)serous membrane. B)subcutaneous membrane. C)integument. D)hypodermis.
C)integument.
The area of rapidly dividing cells in the nail base is the A)cuticle. B)nail bed. C)lunula. D)follicle.
C)lunula.
Any influence that causes a mutated cell to begin uncontrollable growth is called a(n) A)initiator. B)carcinogen. C)promoter. D)vasculizer.
C)promoter.
Intestinal muscle is A)striated and voluntary. B)striated and involuntary. C)smooth and involuntary.
C)smooth and involuntary.
Pain is rarely felt from a A)first-degree burn. B)second-degree burn. C)third-degree or fourth-degree burn. D)sunburn.
C)third-degree or fourth-degree burn.
Merkel's cells detect sensations of A)pain. B)deep pressure. C)touch. D)temperature.
C)touch.
Which muscle tissue has striated cells that branch and are not under voluntary control? Skeletal Cardiac Smooth
Cardiac
What type of tissue is characterized by having cells separated by a non-living matrix, contains numerous fibers and whose consistency varies from a solid to a liquid? Smooth muscle tissue Epithelial tissue Connective tissue Nerve tissue
Connective tissue
A neuron consists of A)dendrites. B)a cell body. C)an axon. D)All apply.
D)All apply.
Adipose tissue A)is for insulation. B)gives a rounded appearance to the body. C)in excess results in obesity. D)All apply.
D)All apply.
Epithelial tissue A)prevents drying. B)secretes mucus. C)absorbs molecules. D)All apply.
D)All apply.
Melanin A)is a pigment. B)protects the skin from ultraviolet radiation. C)is located in the epidermis. D)All apply.
D)All apply.
Mucus is a protection against A)bacteriA. B)viruses. C)digestive juices. D)All apply.
D)All apply.
Severe burns result in A)fluid loss. B)heat loss. C)bacterial infection. D)All apply.
D)All apply.
The arrector pili muscle A)is a smooth muscle. B)causes hair to "stand on end." C)contracts when cold,forming goose bumps. D)All apply.
D)All apply.
The epidermis A)is the outer layer of skin. B)consists of stratified squamous epithelial cells. C)contains melanocytes. D)All apply.
D)All apply.
The peritoneum A)is a serous membrane. B)is found in the abdomen. C)forms the mesentery. D)All apply.
D)All apply.
What is responsible for skin color? A)Carotene B)Melanin C)Hemoglobin D)All apply.
D)All apply.
What is the function of a blood clot? A)Prevents blood loss B)Prevents toxins from entering other tissues C)Prevents pathogens from entering other tissue D)All apply.
D)All apply.
Where may cartilage be found? A)Trachea B)Outer ear C)Ends of long bones D)All apply.
D)All apply.
Which consists of keratinized cells? A)Hair B)Nails C)Stratum corneum D)All apply.
D)All apply.
Which is true of the skin? A)It is waterproof. B)It prevents water loss. C)It prevents water from entering when immersed. D)All apply.
D)All apply.
Which of the following are examples of body membranes? A)Meninges B)Synovial membranes C)Serous membranes D)All apply.
D)All apply.
Which of the following are known carcinogens? A)Viruses B)Excessive radiation C)Certain chemicals D)All apply.
D)All apply.
Which of the following can be used to classify muscular tissue? A)Location B)Striations C)Voluntary control D)All apply.
D)All apply.
Which of the following is a function of the skin? A)Protection B)Sensory reception C)Synthesis of vitamin D D)All apply.
D)All apply.
Which of the following is a method for detecting cancer? A)Mammogram B)Blood test C)Biopsy D)All apply.
D)All apply.
Which of the following is/are connective tissue(s)? A)Bone B)Cartilage C)Blood D)All apply.
D)All apply.
What type of connective tissue is composed of all three types of fibers,has a spider-web appearance,and binds tissues together? A)Dense connective tissue B)Adipose tissue C)Reticular connective tissue D)Areolar connective tissue
D)Areolar connective tissue
Which tissue has lacunae? A)Bone B)Cartilage C)Tendons D)Bone and cartilage
D)Bone and cartilage
Which type(s)of skin gland(s)become(s)active with puberty? A)Sebaceous gland B)Apocrine sweat gland C)Eccrine sweat gland D)Both sebaceous and apocrine sweat glands.
D)Both sebaceous and apocrine sweat glands.
What can give skin a yellowish hue? A)Hemoglobin B)Melanin C)Keratin D)Carotene
D)Carotene
What type of skin gland secretes earwax? A)Sebaceous gland B)Eccrine sweat gland C)Apocrine sweat gland D)Ceruminous gland
D)Ceruminous gland
What is the dominant cell found in fibrous connective tissue? A)Osteocyte B)Chondrocyte C)Erythrocyte D)Fibroblast
D)Fibroblast
Which of the following is NOT an example of dense connective tissue? A)Aponeuroses B)Dermis of the skin C)Ligaments D)Lymph nodes
D)Lymph nodes
Which type of neuroglia is phagocytotic and engulfs bacteria? A)Astrocytes B)Oligodendrocytes C)Schwann cells D)Microglia
D)Microglia
Which would NOT occur when the body temperature is too low? A)Involuntary muscle contraction B)Dermal blood vessel dilation C)Sweat production D)Neither dermal blood vessel dilation nor sweat production would occur.
D)Neither dermal blood vessel dilation nor sweat production would occur.
What is the function of Langerhans cells? A)Water-proofing B)UV protection C)Register pain D)Phagocytize microbes
D)Phagocytize microbes
What type of epithelium is found where simple diffusion occurs? A)Simple columnar B)Pseudostratified columnar C)Stratified squamous D)Simple squamous
D)Simple squamous
In which layer of the epidermis are cells constantly dividing? A)Stratum corneum B)Stratum lucidum C)Stratum dermis D)Stratum basale
D)Stratum basale
Which layer of the epidermis protects from abrasion and is found only in thick skin? A)Stratum basale B)Hypodermis C)Stratum corneum D)Stratum lucidum
D)Stratum lucidum
What type of epithelium is found in the urinary bladder and allows it to stretch and slide to create a barrier? A)Simple columnar epithelium B)Stratified squamous epithelium C)Stratified cuboidal epithelium D)Transitional epithelium
D)Transitional epithelium
Athlete's foot is A)a bacterial infection. B)caused by over keratinization. C)caused by sensitivity to chemicals. D)a fungal infection.
D)a fungal infection.
The dermis is composed of A)stratified squamous epithelium. B)pseudostratified columnar epithelium. C)loose connective tissue. D)dense irregular connective tissue.
D)dense irregular connective tissue.
Most glands secrete their product by A)phagocytosis. B)pinocytosis. C)endocytosis. D)exocytosis.
D)exocytosis.
The parietal pleura A)lines the abdominal cavity. B)covers the lungs. C)covers the digestive organs. D)lines the thoracic wall.
D)lines the thoracic wall.
Which type of extracellular junction forms an impermeable barrier of cells? A)gap junction B)adhesion junction C)membrane junction D)tight junction
D)tight junction
Nutrient and oxygen supply for the epidermis comes from blood vessels located in the_________ layer of the skin.
Dermis
What layer of the skin contains collagen fibers, glands, blood vessels, and sensory receptors? Epidermis Dermis Hypodermis
Dermis
Where are the blood vessels that supply the epidermis with nutrients and oxygen located? Dermis Epidermis Hypodermis
Dermis
Which of these is an inflammatory skin disorder caused by sensitivity to chemicals, heat or dryness? Impetigo Eczema Candidiasis Urticaria
Eczema
Which layer of the skin lacks blood vessels? Epidermis Dermis Hypodermis
Epidermis
Which of the following statements indicates the way in which the body's natural defenses protect against UV damage? The skin is naturally protected by the production of a yellowish pigment called carotene. In the presence of sunlight, hemoglobin circulation increases in order to form a protective barrier. Exposure to the sun increases melanin production which acts as a natural sunscreen.
Exposure to the sun increases melanin production which acts as a natural sunscreen.
Hair is normally found on all parts of the human body. True False
False
The ABCDE rule is used to determine the skin area involved in a burn. True or False
False: ABCDE rule is used to determine signs of melanoma skin cancer.
The number of melanocytes in a person's skin determines how dark their skin tone will be. True false
False: All people have about the same number of melanocytes. Among other things, skin color is due to the amount and color of melanin produced.
Another name for hives is psoriasis. True False
False: Another name for hives is urticaria.
Leukemias account for 90% of all human cancers. True False
False: Carcinomas account for 90% of all human cancers.
Much of the fetal skeleton is made of fibrocartilage that is later replaced by bone. True False
False: Much of the fetal skeleton is made of hyaline cartilage that is later replaced by bone.
Mucous membranes line internal body cavities. True False
False: Mucous membranes line cavities that are open to the outside.
Muscle tissue can only be classified by the appearance of the fibers. True False
False: Muscle tissue is classified by appearance of the fibers,the location,and mode of action.
All types of epithelial cells have the ability to slide with respect to each other. True False
False: Only transitional epithelial cells have the ability to slide with respect to each other.
Simple epithelium has two or more layers. T or F
False: Simple epithelium has one layer of cells.
An adult with third-degree burns over 15% of their body would NOT be considered critical. True False False
False: adult with third-degree burns over 10% or more of their body would be considered critical.
The dermal papillae,found in the hypodermis,create the unique fingerprints of individuals. True False
False: dermal papillae,found in the papillary layer of the dermis,create the unique fingerprints of individuals.
The epidermis is very vascular. True False
False: epidermis is avascular.
Older persons are more likely to feel cold because the dermis becomes thinner. True False
False: persons are more likely to feel cold because the hypodermis becomes thinner (less adipose tissue).
Blood cells are formed in the spaces of compact bone. True False
False:Blood cells are formed in the spaces of spongy bone.
Explain the difference between first-degree and third-degree burns.Which one would possibly require skin grafting? Essay First-degree burns affect only the epidermis,causing redness and pain.Third-degree burns destroy the entire thickness of the skin,and would possibly need skin grafting.
First-degree burns affect only the epidermis,causing redness and pain.Third-degree burns destroy the entire thickness of the skin,and would possibly need skin grafting.
What cell types secrete mucus onto the free surface of the epithelium? Squamous cell Transitional cell Goblet cell
Goblet cell
Select all of these that are accessory structures of the skin. Stratum basale Hairs Glands Moles Nails
Hairs Glands Nails
Identify parts of the human body that are covered with hair. Penis Head Palms of the hands Back Lips
Head Back
Where does smooth muscle tissue occur in the body? In the walls of veins and arteries Attached to bones In the walls of hollow organs In the heart
In the walls of veins and arteries In the walls of hollow organs
The skin and its associated structures form the_________ system.
Integumentary
These types of cells are specialized for contraction and also enable the movement of body parts. Nerve fibers Muscle fibers Connective fibers
Muscle fibers
The cells that support and protect neurons are cells_____
Neuroglia
These cells make up more than half the volume of the brain, and support and protect neurons. Lymphocytes Neuroglia Red blood cells White blood cells
Neuroglia
Choose all of the ways that skin works with other organ systems to help maintain homeostasis. Produces vitamin D which ultimately helps store Ca2+ in bone Assist kidneys in regulating water balance Provides sensory information to the nervous system Helps skeletal system maintain temperature
Produces vitamin D which ultimately helps store Ca2+ in bone Assist kidneys in regulating water balance Provides sensory information to the nervous system
Identify the common symptoms of heat exhaustion: Profuse sweating Electrolyte imbalance Low blood pressure Lower than normal body temperature
Profuse sweating Electrolyte imbalance Low blood pressure
Select all of these that are functions of the dermis. Provide sensory information Protect the body from water loss Anchor the epidermis Provide nutrients to the epidermis
Provide sensory information Anchor the epidermis Provide nutrients to the epidermis
______ is the tissue which usually contains numerous goblet cells and ciliated columnar cells, and can be found lining the respiratory tract, Stratified ciliated columnar epithelium Simple cuboidal epithelium Simple goblet epithelium Pseudostratified ciliated columnar epithelium
Pseudostratified ciliated columnar epithelium
List the functions of the epithelial tissues. Secretion Absorption Regeneration of muscle Protection
Secretion Absorption Protection
What type of epithelium can be found in the thyroid gland, ovaries, and lining most of the kidney tubules? Simple squamous epithelium Simple cuboidal epithelium Stratified squamous epithelium Stratified cuboidal epithelium
Simple cuboidal epithelium
Compare the appearance of the three types of muscle tissue. Essay
Skeletal muscle fibers are cylindrical,striated,and multinucleate.Cardiac muscle fibers are branched,striated,and uninucleate.Smooth muscle fibers are nonstriated,spindle-shaped,and uninucleate.
What type of tissue is the epidermis composed of? Dense connective tissue Areolar connective tissue Stratified squamous epithelium Simple cuboidal epithelium Simple columnar epithelium
Stratified squamous epithelium
Describe how sweat cools the body and explain why sitting in front of a fan cools the body more rapidly.
Sweat absorbs body heat and the evaporation of sweat carries the heat away.Sitting in front of a fan increases the rate of sweat evaporation.
Which of the following are characteristics of nerve tissue: The brain and spinal cord are composed of this tissue. It responds to changes by transmitting nerve signals. Its cells generate and conduct nerve signals. Its main function is to protect the body surfaces.
The brain and spinal cord are composed of this tissue. It responds to changes by transmitting nerve signals. Its cells generate and conduct nerve signals.
Why are carcinomas more common than other forms of cancer? Essay
The chance of cancer occurring in a tissue is related to the rate of cell division in the tissue.Epithelial cells divide more often than cells of other tissues so carcinoma (cancer of epithelium)is the most common form of cancer.
Describe the effects that long-term exposure to the sun may have on the skin.
The exposure to ultraviolet radiation causes dividing skin cells to become cancerous.UV radiation also causes aging changes such as rough skin,mottled pigmentation,fine lines and wrinkles,deep furrows,and benign skin growths.
Distinguish between the stratum basale and the stratum corneum regarding structure and function. Essay
The stratum basale,the lowest layer of the epidermis,lies just above the dermis and contains basal cells that are constantly dividing.The new cells are pushed away from the dermis,accumulate the protein keratin and then die as they move away from the blood vessels of the dermis.These dead,flat,hard,waterproof cells form the stratum corneum,the surface layer of the epidermis.
A change in diet,for example increasing fiber intake,can reduce the risk for certain cancers. True False
True
Adhesion junctions are found between cells of the cervix to keep it from ripping during birth. True False
True
Another name for the cutaneous membrane is the skin. True False
True
Blood is special in that it has a fluid matrix that is not made by the cells of the blood. True False
True
Exposure to sunlight is the most common cause of skin cancer. True False
True
Initiation of cancer is caused by a carcinogen that results in a mutation in the cell's DNA. True False
True
Many age-related changes to the skin appear to be due to sun damage. True False
True
Medications that block angiogenesis may help to fight cancer. True False
True
Simple squamous epithelium is found in the alveoli of the lungs and in capillaries. True False
True
Spongy bone is composed of bony plates called trabeculae. True False
True
The blood vessels in the dermis supply the epidermis with oxygen and nutrients. True False
True
The main difference between regular dense and irregular dense connective tissue is how the collagen fibers are arranged. True False
True
The many layers of stratified squamous epithelium provide protection,such as found in the skin. True False
True
The skin aids the urinary system by excreting water and small amounts of other wastes through perspiration. True False
True
The skin is both an organ and an organ system. True False
True
The stratum basale is supplied with sensory nerves to detect pain,temperature,and touch. True False
True
The integumentary system works with the muscular system to maintain body temperature. True false
True: Both systems play roles in temperature regulation, e.g., muscle contraction produces heat, and activation of sweat glands in the skin help to reduce heat.
The most dangerous skin cancer is cancer of the melanocyte. True false
True: Melanomas are the most dangerous skin cancers and these cancers arise from melanocytes.
Describe how the skin functions to promote bone development and maintenance. D.The vitamin D travels to the liver and kidneys where it is converted into the hormone calcitriol.Calcitriol regulates the metabolism of calcium and phosphorus,two substances required for the formation of bone matrix.
When skin cells are exposed to UV radiation a precursor molecule in the cells is converted into vitamin D.The vitamin D travels to the liver and kidneys where it is converted into the hormone calcitriol.Calcitriol regulates the metabolism of calcium and phosphorus,two substances required for the formation of bone matrix.
Compare the three types of fibers found in connective tissue. Essay
White fibers contain collagen and are flexible and strong.Yellow fibers contain elastin and are elastic but not as strong as collagen fibers.Reticular fibers also contain collagen but are thinner than white fibers and highly branched.
The nails, hair follicles and glands of the dermis are classified as ______ of skin. accessory structures primary structures layers
accessory structures
The innermost, or deepest, layer of cells of the epidermis is called the stratum______________.
basale
The hypodermis or subcutaneous layer is located directly: beneath the epidermis above the epidermis beneath the dermis above the dermis
beneath the dermis
List the characteristics of connective tissue: bind other tissues and organs together can contract to produce movement consistency can vary from a solid to a liquid can transmit electrical information
bind other tissues and organs together consistency can vary from a solid to a liquid
The connective tissue that contains formed elements suspended in a liquid matrix is________
blood
The most rigid connective tissue, whose matrix contains calcium salts deposited around collagen fibers, is__________
bone
Pseudostratified columnar epithelium may include the following characteristics: cilia irregular distribution of nuclei flat, scale-like cells single layer of columnar cells goblet cells
cilia irregular distribution of nuclei single layer of columnar cells goblet cells
Scar tissue provides strength to a wound as it consists of: collagen fibers elastic fibers keratin melanin
collagen fibers
Which of the following are characteristics of stratified squamous epithelium? contains multiple cell layers has a protective role in the body cells at the surface are round specialized for diffusion cells at the surface are flat
contains multiple cell layers has a protective role in the body cells at the surface are flat
Transitional epithelium contains a single layer of squamous cells contains a single layer of cuboidal cells contains several layers of cuboidal cells is found lining the urinary bladder can stretch
contains several layers of cuboidal cells is found lining the urinary bladder can stretch
Within the skin, the _________ is composed of stratified squamous epithelium.
epidermis
The tissue that can protect the body from drying out, sweep up impurities in the respiratory tract, and secrete mucous is ____ tissue. nerve muscle epithelial connective
epithelial
Glands are primarily made up of __________. muscle tissue connective tissue nerve tissue epithelium
epithelium
Which of the following describe simple cuboidal epithelium? specialized for protection found in glands multiple layers of cube-shaped cells single layer of cube-shaped cells specialized for secretion and absorption
found in glands single layer of cube-shaped cells specialized for secretion and absorption
One or more epithelial cells that produce and secrete a product are known as a _____. gland vesicle membrane desmosome
gland
Cardiac muscle tissue is found only in the ________
heart
The protein found in the epidermis that is responsible for waterproofing and toughening the skin is _______.
keratin
The most abundant cell of the epidermis that produces and stores keratin is a ________________.
keratinocytes
The small chambers that house chondrocytes are called ___________
lacuna or lacunae
In dense tissue, such as cartilage and bone, cells reside in small cavities called caves lacunae canaliculi
lacunae
Which of the following are characteristics of a membrane? connect bone to bone hold muscles together line internal spaces of organs cover organs within body cavities line body cavities
line internal spaces of organs cover organs within body cavities line body cavities
Where in the body would you find a tight junction? lining the stomach lining the tubes of the kidney between cells of the heart between skin cells
lining the stomach lining the tubes of the kidney
The pigment that absorbs ultraviolet radiation in sunlight, protecting the body from the harmful effects of UV radiation, is__________
melanin
Specialized cells in the epidermis called ______, produce melanin. stem cells Merkel cells keratinocytes melanocytes follicles
melanocytes
The combination of an epithelial layer and a connective tissue layer that can be found lining the internal spaces of organs, body cavities, and tubes that open to the external environment is a: tissue membrane organ
membrane
The protein filaments found in muscle fibers that allow for contraction are: tryptophan keratin myosin actin
myosin actin
The type of tissue composed of neurons and neuroglia is ______ tissue. epithelial nerve connective muscular
nerve
The matrix of blood tissue is a liquid called marrow water plasma jelly
plasma
Melanin is the: pigment produced in keratinocytes primary determinant of skin color pigment that accumulates to produce white patches in the skin dark pigment produced by melanocytes protein that helps to prevent water loss in the skin
primary determinant of skin color dark pigment produced by melanocytes
In bone tissue, minerals are responsible for _____, and the collagen fibers provide _____. rigidity, elasticity and strength flexibility, hardness flexibility, strength elasticity and strength, rigidity
rigidity, elasticity and strength
Select all of these that are components of the integumentary system. sebaceous and sweat glands hair and nails the pancreas and large intestine the stomach and liver the skin
sebaceous and sweat glands hair and nails the skin
_________muscle tissue has elongated, cylindrical cells, and it is voluntary.
skeletal
The three types of muscle tissue are______ muscle,_____ muscle, and_______ muscle.
skeletal, smooth, cardiac
Which of the following are characteristics of smooth muscle tissue? slow, long contractions fibers are branched no striations involuntary contain multiple nuclei
slow, long contractions involuntary no striations
Epithelial tissue composed of many layers of cells, where the superficial layer of cells is flat, is called stratified squamous epithelium stratified cuboidal epithelium simple squamous epithelium stratified columnar epithelium
stratified squamous epithelium
New epidermal cells are formed by the cells found in the epidermal layer called the ____________ ______________ .
stratum basale
As cells of the epidermis move from the stratum basale towards the stratum corneum of the skin: they accumulate deposits of keratin they get closer to their supply of nutrients they begin to die they move further away from blood vessels in the dermis
they accumulate deposits of keratin they begin to die they move further away from blood vessels in the dermis
The cells of the epidermis die as they are pushed towards the surface of the skin because: they are shed from the skin surface they are killed by pathogens they fill with melanin they are too far from their nutrient supply
they are too far from their nutrient supply
An extracellular junction that forms an impermeable barrier is called a(n)______ adhesion junction gap junction tight junction
tight junction
A group of specialized cells that work together to perform a common function in the body is known as a(n) ________
tissue
Epithelium that can change in response to tension (such as pressure) is called______ epithelium.
transitional
