Tissue Lecture practice Test

A term which means "above" another structure is... a) posterior. b) lateral, c) inferior. d)superior. e) caudal.

D

Which of the following types of glands are not considered part of the integumentary system? a) sebaceous glands. b) eccrine sweat glands. c) sudoriferous glands. d) mammary glands. e) all of the above are part of the integumentary system.

E

Which of the following would not be listed as one of the signs of a first degree burn? a) Minor swelling b) inflammation c) pain d) redness e) blisters f) dry, peeling skin as the burn heals

E

List the pigments that determine the normal color of skin in humans. For each, indicate: the source of the pigment (where it was produced), and where, specifically, you find it in the skin Pigment name-Source-Where found in the skin

Melanin-melanocytes-epidermis Carotene-food-stratum corneum Heme-inside RBC, hemoglobin in blood-dermis/hypodermis

II. The keratinocytes in the epidermis can be divided up into layers showing structural differences which reflect the aging process of these cells. Do the following: a) List the layers of the epidermis (in thick skin), in order; from the apical surface to the basal layer. b) Circle the number of the layer from which new skin cells arise by mitosis. c) In the space below, summarize the processes a single keratinocyte goes through as it matures.

1. Stratum correum 2. Stadum lucidum 3.Stratum granulosunm 4. Stratum Spirosum 5. stratum basale

A One similarity between smooth and cardiac muscle is that... a) both types of muscle are considered involuntary muscle. b) both types of muscle have jagged, uneven cells. c) both types of muscle have cells with multiple nuclei. d) both types of muscle have intercalated discs. e) both types of muscle have fusiform shaped cells.

A

A term that means "toward the side" or away from the midsagittal plane is... a) lateral. b) medial. c) anterior. d) deep. e) ventral.

A

Nervous tissue is classified as such based on... a) its ability to control other tissues by generating action potentials. b) the characteristics of its cells. c) the characteristics of it extracellular matrix. d) the size and arrangement of its protein fibers. e) the shape of its cells and the number of cell layers.

A

The apical surface of an epithelium is.... A. the surface that is in contact with a harsh environment. B. the surface that is in contact with the basement membrane. C. the weakest part of an epithelium. D. the surface that faces up in a person in anatomical position. E. the surface of a gorilla.

A

Each of the following is a specific name for a type of connective tissue proper or an epithelial tissue. Describe, specifically, what each underlined part of these terms tells you about the physical structure of the tissue. A) dense, irregular, collagenous connective tissue: (1) (2) B) dense, regular, elastic connective tissue: (1) (2) C) Pseudostratified columnar epitheljum: (1) (2) D) Simple Squamous epithelium (1) (2)

A-(1) Tightly packed; (2) Protein of fibers B- (1) Elastin Fibers; (2) Sparsely distributed cells and ample ECM. C- (1) Looks like more then 1 layer, but it is only 1 with weird shaped cells; (2) Column looking cells where their taller then they are wide. D- (1) a single layer of cells. (2) Flattened cells that look like "scale-like".

Written below are descriptions of the extracellular matrix in four major groups of connective tissue. Write the name of the appropriate connective tissue in the blank next to its description. a) Many protein fibers; rigid ground substance b) Many protein fibers; semi-fluid ground substance c) Few if any protein fibers; fluid ground substance d) Tightly packed cells with very little ground substance adipose

A-Supporting Connect Tissue B- Connective Tissue Proper C- Blood/lymph D- adipose

Demonstrate your knowledge of the structure of skin by doing the following: a) Draw and label a diagram showing the three major layers of the skin. b)Draw and label an eccrine sudoriferous gland on the diagram. c) Indicate what type of tissue makes up the upper layer.(Be specific.) d) Locate and label the two different regions of the thickest layer, and indicate what type of tissue makes up each.(Be specific.) e) Indicate one of the two types of tissue that make up the lowest layer of the skin. (Be specific.)

Abcde

The type of tissue that coats the ends of bones where they come together in joints is A. Fibrocartilage. B. Hyaline cartilage. C. Elastic cartilage. D. Dense connective tissue. E. Hardened Jello.

B

A fibrous protein found in a sample of connective tissue from an unknown source consists of molecules that are coiled and interwoven to form a meshwork resembling a bedspring. It is capable of being stretched, and returns to its original shape after it is released. This protein is... a) expandin. b) elastin. c) collagen. d) proteoglycan. e) reticulin.

B

A fibrous protein found in a sample of connective tissue from an unknown source consists of molecules that are coiled and interwoven to form a meshwork resembling a bedspring. It is capable of being stretched, and returns to its original shape after it is released. This protein is..... A. collagen. B. elastin. C. reticulin. D. proteoglycan. E. expandin.

B

A type of muscle that is involuntary and non-striated is? a) skeletal muscle. b) smooth muscle. c) cardiac muscle. d) visceral muscle. e) not present in humans.

B

Adipose tissue is classified as connective tissue even though it is quite different than most other connective tissues. The main difference between adipose tissue and other connective tissues is that A. adipose tissue has relatively fewer cells than other connective tissue types. B. adipose tissue consists of tightly packed cells; other connective tissues have few cells. C. adipose tissue has more protein fibers in the extracellular matrix than other connective tissues. D. adipose tissue has less fat than other connective tissues. E. adipose tissue has much more extracellular matrix than other connective tissues.

B

Adipose tissue is classified as connective tissue even though it is quite different than most other connective tissues. Which of the following is a reasonable explanation as to why this is the case? a) Adipose tissue has similar cell structure to most other connective tissues. b) Adipose tissue is found in close association with connective tissue. c) Multi-layered adipose tissue has the appearance of dense, regular, collagenous, connective tissue. d) Like most connective tissues, adipose tissue contains sparsely distributed cells. e) Adipose tissue was injected by aliens to make us look ugly.

B

Compare epithelial and connective tissue, Which of the following statements concerning this comparison is correct. A. Connective tissue generally has a higher concentration of cells than epithelial tissue. B. Connective tissue consists mainly of the extracellular matrix, while epithelial tissues are mostly cells. C. Connective tissue is all extracellular matrix. D. Neither tissue is vascularized (contains blood vessels) in the body. E. Both tissues have an exposed (apical) surface and a basal surface.

B

Compare epithelial and connective tissue. Which of the following statements concerning this s comparison is correct. a) Connective tissue generally has a higher concentration of celis than Epithelial tissue. b) Connective tissue consists mainly of extracellular matrix, while Epithelial tissue has very little extracellular matrix. c) Connective tissue is all extracellular matrix, epithelial tissue has none. d) Neither tissue is vascularized (contains blood vessels) in the body. e) Both tissues have an exposed (apical) surface and a basal surface.

B

Hannah has received a burn from spilling hot soup on herself. Initially it has the following symptoms: localized redness around the burn and some swelling around the burned area. She says that the burn is painful. Sometime after the burn occurred, fluid-filled blisters developed. Hannah's burn should be classified as which means that a) Third degree, the epidermis and all of the dermis has been destroyed. b) Second degree, the epidermis and the upper part of the dermis has been damaged. c) Second degree, the epidermis and all of the dermis has been destroyed. d) first degree, only the epidermis has been damaged. e) first degree, the epidermis and the upper part of the dermis has been damaged.

B

Nourishment to cells in the epidermis is provided by a) blood vessels running through the stratum basale. b) blood vessels in the dermis. c) keratinocytes. d) bacteria that live in sebaceous glands. e) the Salvation Army.

B

Solution A has a pH of 5 and solution has pH of 6.7. Which of the following statements about these solutions true? A. Solution A and solution are both basic. B. Solution B is basic. C. Solution A is less acidic than solution B. D. Solution would be considered slightly acidic. E. None of the above statements are true.

B

The apical surface of an epithelial tissue is a) the surface that is in contact with the basement membrane. b) the surface that is farthest away from the basement membrane. c) the most superior surface of the body. d) the surface covering of a gorilla. e) the surface with the greatest degree of vascularization.

B

The functional characteristic that all muscle types have in common is A. polarity. B. the ability to çontract. C. the ability to produce hormones. D. the ability to control other tissues. E. the ability to leap buildings in a single bound.

B

The major difference between active transport and passive transport is... a) active transport refers to the movement of solutes, while passive transport refers to the movement of water. b) active transport requires the use of ATP, passive transport does not. c) active transport is useful to living things, passive transport is not. d) active transport is clear, while passive transport is murky. e) active transport is an unorganized process, while passive transport is a highly organized process.

B

The midsagittal plane divides a structure into.... a) front and back halves. b) left and right halves. c) top and bottom halves. d) grossly uneven halves. e) halves and halve-nots.

B

The various types of Epithelia are classified into separate groups based on a) the size of individual cells in the tissue. b) the shape and number of layers of cells in the tissue. c) the number of cell layers and the size of the cells in the tissue. d) the location and function of the cells in the tissue. e) the color of the cells and the surrounding extracellular matrix in the tissue.

B

Which of the following tissues has the greatest amount of extracellular matrix? a) simple squamous epithelium b) dense irregular collagenous connective tissue c) stratified squamous epithelium d) stratified cuboidal epithelium e) simple cuboidal epithelium

B

Hannah received a burn from spilling hot soup on herself. Initially, it had the following symptoms: localized redness around the burn and some swelling around the burned area. She said that the burn was painful. Some time after the burn occurred, fluid-filled-blisters developed. Hannah's burn should be classified as which means that . A. first degree, only the epidermis has been damaged. B. first degree, the epidermis and the upper part of the dermis has been damaged. C. Second degree, the epidermis and the upper part of the dermis has been damaged. D. Second degree, the epidermis and all of the dermis has been destroyed. E. Third degree, the epidermis and all of the dermis has been destroyed.

C

In the context of Biology, tissue is... A. the structural unit living thing. B. a group of thousands of one type that all perform identical functions. C. a group of similarly specialized cells and the substances surrounding them. D. a group of organs that cooperate to accomplish a specific physiological function. E. convenient thing have your nose runs.

C

Racial differences in the color of skin can be primarily attributed to a) the difference in the number of melanocytes in different races of people. b) the fact that skin structure varies so widely in different races of people. c) the type and amount of melanin in the epidermis of different races of people. d) the consistency and amount of hair growth in different races of people. e) tiny little elves that specialize in skin color painting.

C

Solution A has a pH of 7.1 and solution B has a pH of 11. Which of the following statements about these solutions is true? a) Solution A and solution B are both acidic. b) Solution B is acidic. c)Solution A is more acidic than solution B. d) Solution B would be considered slightly acidic. e) None of the above statements are true.

C

The "Rule of Nines" is helpful clinically in... A. diagnosing skin cancer. B.estimating how serious a cancer is. C. estimating the extent of a burn. D. preventing acne. E. keeping your nines from misbehaving.

C

The various types of Epithelia are classified into separate groups based on.... A. the size of individual cells in the tissue. B. the size and arrangement of cells in the tissue. C. the shape and number of layers of cells in the tissue. D. the location and function of the cells in the tissue. E. the color of the cells and the surrounding extracellular matrix in the tissue.

C

Use the following diagram to answer question #2. It depicts two sotutions that are separated by membrane that permeable water, but not permeable to Nacl. 10% NaCl solution {Compartment A} Naci 50% NaCl solution {Compartment B} If you started with the set above, which of the following statements would be true? A. Initially, more Nacl would cross the membrane from B to A than in the opposite direction. B. Initially, more NaCl would cross the membrane from A to B than in the opposite direction. C. Initially, more water would cross membrane from A to B than in the opposite direction. D. Initially, water would the membrane from B to A than in the opposite direction. E. There would be no movement of water or Naçl in either direction.

C

Use the following diagram to answer question #3. It depicts two solutions that are separated by a membrane that is permeable to water, but not permeable to NaCI. 10% NaCl solution {Compartment A} 50% NacI solution {Compartment B) If you started with the set up above, which of the following statements would true? a) Initially, more NaCl would cross the membrane from B to A than in the opposite direction. b) Initially, more NaCl would cross the membrane from A to B than in the opposite direction. c) Initially, more water would cross the membrane from A to B than in the opposite direction. d) Initially, more water would cross the membrane from B to A than in the opposite direction. e) There would be no movement of water or NaCl in either direction.

C

Which of the following is NOT a typical characteristic of malignant melanoma? A. The mole has multiple colors. B. The mole is larger than a pencil eraser. C. The mole is symmetrical. D. The mole has a ragged, uneven border. E. The mole has shown rapid growth in a short time.

C

Which of the following is not part of the description of a person in anatomical position. a) eyes and face facing forward. b) arms at the side. c) hands positioned with palms facing inward. d) feet pointing forward. e) standing erect.

C

Which of the following most accurately describes reticular connective tissue? A. a stretchable, flexible tissue with the properties of a rubber band. B. a non-stretchable but still flexible tissue with the properties of a rope. C. a hole-filled tissue consisting of a semi-rigid matrix of protein fibers. D. an excitable tissue capable of contraction to create movement. E. a thick layer of cells that coats the surface of the skin.

C

Connective tissue is separated into subgroups based on... a) the cell type. b) the number of cell layers. c) the metabolic activity of the tissue. d) the structure of the extracellular matrix. e)the shape of the cells.

D

Connective tissue is separated into subgroups based on... A. the type of cells it contains. B. the shape of the cells and the number of layers of cells. C. the number of layers of cells it has. D. the properties of the extracellular matrix. E. the metabolic activity of the tissue.

D

Melanocytes a) are mobile cells of the immune system. b) are found in the dermis as well as the epidermis. c) are the most numerous cells in the epidermis. d) produce skin pigments. e) are not present in white people.

D

Nourishment to cells in the epidermis is provided by a) blood vessels running through the stratum basale. b) keratinocytes. c) bacteria that live in sebaceous glands. d) blood vessels in the dermis. the Salvation Army.

D

Racial differences in the color of skin can be primarily attributed to a) differences in the amount of hair growth in different races of people. b) the fact that skin structure varies so widely in different races of people. c) the difference in the number of melanocytes in different races of people. d) the amount of melanin in the epidermis of different races of people. e) tiny little elves that specialize in skin color painting.

D

The "Rule of Nines" is helpful clinically in... a) diagnosing the presence of a melanoma. b) determining whether a burn is first, second, or third degree. c) estimating how serious a cancer is. d) estimating the extent of a burn. e) keeping your nines from misbehaving.

D

The cells in nervous tissue that support the functions and survival of neurons are called? a) keratinocytes b) melanocytes. c) Merkel cells. d) neuroglia. e) Posse cells.

D

Two main cell types which are seen in nervous tissue are.... A. keratinocytes and melanocytes. B. otoliths and megaliths. C. epidermal dendritic cells and Merkel cells. D. neurons and neuroglia. E. Cheech and Chong.

D

A term which means "away from" the point of attachment is... a) posterior. b) lateral. c) proximal d) superior. e) distal.

E

Which of the following might be listed as one of the symptoms of a first degree burn? a) pallor. b) cyanosis, c) jaundice. d) anthracosis. e) erythema.

E

Which of the following tissues has the most extracellular matrix? A. stratified squamous epithelium B. simple cuboidal epithelium C. stratified columnar epithelium D. simple columnar epithelium E. dense irregular collagenous connective tissue

E

You are given a slide of an unknown tissue. It looks like it is made up of a large number of thick protein fibers running parallel to each other and is surrounded by a large amount of semi-fluid ground substance. A chemical analysis of the tissue shows that it contains a large amount of collagen. Which of the following assumptions about this tissue is/are likely to be correct. A. it is probably connective tissue. B. it resists stretching in the direction the fibers are running. C. it is probably highly elastic (stretchable). D. a and c only. E. a and b only.

E

You are given a slide of an unknown tissue. It looks like it is made up of a large number of thick protein fibers running parallel to each other and is surrounded by a large amount of semi-fluid ground substance. A chemical analysis of the tissue shows that it contains a large amount of collagen. Which of the following assumptions about this tissue is/are likely to be correct. a) it is probably connective tissue proper. b) it is probably highly elastic (stretchable). c) it resists stretching in the direction the fibers are running. d) a and b only. e) a and c only.

E