A&P 1 Chapters 4, 5, and 6
An intercalated disc is an example location of _______?
Gap junctions
The stratum cornermen beneath the free ridge of the nail is the _______?
Hyponychium
The type of lamellar found between osteons is _______?
Interstitial lamellae
Which type of bone cell has a ruffled border and secretes acids?
Osteoclast
When blood calcium levels are low?
Osteoclast activity increases
Which of the following epithelial types is mismatched with its function?
Squamous epithelium - stretching
Which type of tissue is contractile?
Muscle tissue
Indicate the functions that apply to epithelial tissues.
Acting as a barrier Secretion of substances
Which type of cell contains large amounts of lipids?
Adipocyte
If you accidentally cut your arm and see adipose tissue, which layer(s) was/were cut?
All Choices
Body odor results from secretions from the ______ sweat glands.
Apocrine
Increase in epiphysis size is the result of bone growth at the _____?
Articulations cartilage
What is the examination of a dead body to determine the cause of death or to study the changes caused by a disease?
Autopsy
A coiled fibrous protein in connective tissue that is stretchy is called _____?
Elastin
A victim of an automobile accident goes into shock, which results in decreased blood flow. The victim's skin will ______?
Become pale
A tissue that has a fluid matrix is ____?
Blood
Collagen and calcium hydroxyapatite are the primary constituents of ______?
Bone matrix
Ligaments attach
Bone to bone
Canaliculi are found in this type of bone tissue?
Both "Spongy bone" and "Compact bone"
The four primary tissue types are _____?
Epithelial, connective, muscle, and nervous
The primary mineral in bone is ____?
Calcium
Which type of muscle is found in the wall of the heart?
Cardiac muscle
A yellow pigment derived from plants that can impart a yellow color to the skin is _____?
Carotene
Lamellar are characteristic of _____?
Compact bond tissue
Which of the following represent functions of connective tissue?
Cushioning Enclosing organs Insulating
The bluish tinge of skin due to a reduction of oxygen in the blood is called ______?
Cyanosis
Friction ridges of the hands and feet are produced by projections into the epidermis called _____?
Dermal papillae
What is a disc-shaped structure with especially adhesive glycoproteins around each cell that binds cells to one another?
Desmosomes
The flat bones of the skull develop from
Fibrous connective tissue
Ossification that involves replacing cartilage with bone is _____?
Endochondral
Which of the following statements about bone growth is tru?
Endochondral growth in long bones occurs at the epiphyseal plate
The superficial layer of epithelium of the skin is called _____?
Epidermis
Which type of tissue forms linings or coverings?
Epithelial tissue
Which of the following will help cool the body?
Evaporation of sweat from the skin's surface
The collar the forms around the opposing ends of bone fragments is called _____?
External callus
A cell that forms fibrous connective tissue would be called a _____?
Fibroblast
The spaces between developing skull bones that have not ossified are called _____?
Fontanels
Woven bone
Has its collagen fibers randomly oriented
Parathyroid hormone (PTH) causes
Increased RANKL and decreased OPG
Hyaluronic acid gives a very slippery quality to fluids that contain it. Hyaluronic acid _____
Is a good lubricant for joint cavities
Calcitonin
Is associated with decreased osteoclast activity
Intact skin provides protection because
It forms a physical barrier against the entry of mirocrobes
As skin cells move toward the surface of the body, they produce a protein that reduces water loss. This process is called _____?
Keratinization
Thin sheets of bone matrix are _____?
Lamellae
Some marrow of long bones is termed "red" marrow. The function of red marrow is to _____?
Manufacture blood cells
The extra cellular material of tissues is called _____?
Matrix
The central axis of the hair is the ______?
Medulla
A thin layer of tissue that covers an organ or lines a cavity is a _______?
Membrane
Which of the following statements concerning sebaceous glands are true?
Most sebaceous glands are connected by a duct to the upper portion of the hair follicle Secretions from sebaceous glands provide protection against bacteria Secretions from sebaceous glands oil hair and skin Sebaceous secretions are lipid soluble
Which type of membrane lines cavities that open to the outside and often contain mucous glands?
Mucous
The distal portion of the nail is the ____?
Nail body
Nail cells are produced by the _______?
Nail matrix
Which type of tissue contains cells called neurons?
Nervous tissue
Appositional growth deposits a new layer of bone tissue
On the surface of the bone
When a fracture begins to heal, one type of bone cell moves into the fracture site and tears down the damage bone tissue. Which of the following does this?
Osteoclasts
Which type of bone cell lies in a lacuna?
Osteocyte
Which of the following are the maintenance cells in bone tissue?
Osteocytes
An abrasion of the skin results in which of the following?
Portal of entry for microorganisms
The sequence of events that produces growth at the epiphyseal plate is
Proliferation, hypertrophy, calcification, cell death, ossification, and remodeling
Identify the functions of the integumentary system?
Resistance to infection Sensation of environmental stimuli Thermoregulation
Which type of bone tissue appears porous?
Spongy bone
Which type of muscle is attached to bone?
Skeletal muscle
Movement of food through the digestive tract results from the action of _________ muscle.
Smooth
The type of muscle found in the walls of blood vessels is ________ muscle.
Smooth
Which type of epithelial tissue is found in the mouth
Stratified squamous epithelium
The layer of epidermis that undergoes mitosis and forms new epidermal cells is the ______?
Stratum basale
Which of the following represents the correct order of the layers of the epidermis from deepest to the most superficial?
Stratum basalt, stratum spinous, stratum granulosum, stratum lucidum, stratum corneum
The epidermal layer found only in thick skin is ______?
Stratum lucidum
Rupturing the dermis may cause _________ to develop.
Stretch marks
The various types of epithelium are classified by
The shape of cells and the number of cell layers
Which of the following statements concerning the subcutaneous layer is tru?
The subcutaneous layer attaches skin to underlying bone and muscle The main cell type of the subcutaneous layer are fibroblasts, adipocytes, and macrophages The subcutaneous layer can also be referred to as the hypodermics The subcutaneous layer is a site of Lipid storage
Indicate the statements that correctly describe partial thickness burns.
They are subdivided into first and second degree burns They may only involve the epidermis
Indicate the statements that apply to the arrest or pili
They consist of smooth muscle They are associated with hair follicles They extend from the dermal root sheath to the papillary layer of the dermis
Interconnecting rods of bone are _______?
Trabeculae
Which vitamin begins its synthesis in the skin when the skin is exposed to ultraviolet light?
Vitamin d