Anatomy & Physiology Integumentary System Test

A small amount of ultraviolet radiation is beneficial because it ________.

stimulates vitamin D3 synthesis in the epidermis

A small amount of ultraviolet radiation is beneficial because it ___________.

stimulates vitamin D3 synthesis in the epidermis

Another term for sweat glands is

sudoriferous

The two major components of the integument are

the cutaneous membrane and the accessory structures

Aging results in gray or white hair because

there is less pigment production

As cells are pushed from the deeper portion of the epidermis toward the surface,

they die

The type of burn that injures the hypodermis, deeper tissues, and organs is a(n) ___-degree burn

third-degree burn

Melanin serves to protect cells in the deeper layers of the epidermis from ________.

ultraviolet radiation

Melanin serves to protect cells in the deeper layers of the epidermis from __________.

ultraviolet radiation

Short term paling of the skin occurs with _______________.

vasoconstriction

Epidermal cells synthesize this vitamin when exposed to sunlight.

vitamin D3

Which is the most logical reason for an elderly person's higher potential to be prone to skin infections, compared to a younger person?

Stem cell activity in the epidermis declines in the elderly.

A "rug burn," which scrapes the skin, is an example of a(n)

abrasion

The condition that results from clogged sebaceous glands is

acne

Which of the following is found in the subcutaneous layer ?

adipose tissue

The glands that begin discharging a sticky, cloudy, and potentially odorous secretion at puberty are called ________ glands.

apocrine

Sweat glands that communicate with hair follicles in the armpits (axillary region) and produce an odorous secretion are

apocrine glands

What muscles allow this to occur to the hair ? goose bumps and hair sticking up

arrector pili muscles

Which of the following conditions is the most common form of skin cancer?

basal cell carcinoma

Exposure of the skin to UV radiation ____________________.

can cause DNA alteration in skin cells

Exposure of the skin to ultraviolet light

can slowly increase melanocyte activity

The skin may turn orange as a result of ________ buildup.

carotene

The skin may turn orange as a result of ___________ buildup.

carotene

________ is a pigment found in vegetables that can make skin appear orange or yellow.

carotene

Glands that are located in the passageway of the external ear are called ________ glands.

ceruminous

The skin is also called the ________ membrane.

cutaneous

Shafts of hair are comprised of

dead keratinized dermal cells.

How is the severity of a burn measured ?

depth into the tissues and the total area affected

Blood vessels are located in the

dermis

When a person becomes "pale," what is the physiological basis ?

dilating blood vessels

A ceruminous gland that is over productive would produce an excessive amount of

earwax

Correctly order of the layers of the cutaneous membrane from top to bottom ?

epidermis, dermis, hypodermis

Choose the 3 comonents that form granulation tissue

fibroblasts, capillaries, fibrin blood clot

A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as number word-degree

first-degree

Which type of burn appears inflamed and feels tender but has no blisters? number word-degree

first-degree

Hair is formed by the repeated divisions of epithelial stem cells in which structure?

hair matrix

The lipid in oil glands is released through which type of secretion?

holocrine

Epidermal cells are supplied with nutrients from blood vessels in the

hypodermis

Perspiration that is produced by apocrine sweat glands

is limited to the hair follicles of the armpits (axillia), nipples, and public region.

This type of skin decor is created by ________ scars african american man with scar/design raised up on skin

keloid

The protein that contributes to many of the skin's protective qualities is called __________.

keratin

Modified and specialized sweat glands that produce milk are called ________ glands.

mammary

The hair _________________ grows, making hair longer.

matrix

In albinism, ________ is lacking.

melanin

In albinism, __________ is lacking.

melanin

The observed difference in skin color reflect the levels of ________________ production.

melanin

The observed differences in skin color reflect the levels of ________ production.

melanin

The most severe type of skin cancer is most likely to develop from

melanocytes

Which type cancer commonly begins as a small mole ?

melanoma

Label the nail body C A E B

nail root, nail body, nail bed, cuticle

Match the color with the term or reason the color is seen in the integumentary system bright red blue melanin cartone

oxygenated blood, cyanosis, brown yellow-brown black, orange-yellow

Thick skin can be found on the _____.

palms

When the body is overheated, the skin responds by

perspiring, cooling the body through evaporation

Functions of the skin include

regulating body temperature

Merocrine sweat glands

respond primarily to elevated body temperature.

Match the portion of skin repair with the actions that are preformed. a blood clot forms a temporary "patch" formed from the combination of a fibrin clot, fibroblasts, capillaries. Macrophage arrive to clean up debris a scab is formed and falls off, the blood clot is broken down by the body. formed from the remaining meshwork of collagen fibers

scab formation, granulation tissue, clot removal, scar formation

What is the correct order for repair of the integument ? scar formation tissue granulation scab formation scab removal

scab formation, tissue granulation, scab removal, scar formation

The two types of exocrine glands in the skin are

sebaceous and sweat glands

What is the function of mammary glands ?

secrete milk for feeding of young

Choose the 3 accessory structures of the Integumentary System

select exocrine glands, nails, hair

When the arrector pili muscles contract

"goose bumps" are formed

When the arrector pili muscles contract,

"goose bumps" are formed

What degree of burn would affect the connective tissues of the skin, which contains capillaries and nerve fibers ?

3rd degree

Which is NOT a component of sweat ?

Ammonia

_________ cells of epithelium and connective tissue undergo cell division to replace lost or damaged tissue.

Stem

Vitamin D3 is essestinal for _____________________.

Calcium and Phosphorus absorption in the small intestine

Epidermal cells synthesize this vitamin when exposed to sunlight

D3

Which of the following is a plausible reason for increased infections due to a break in the integument system, as the skin ages ?

Decrease amount of macrophage residing in the skin

Skin injuries and infections are more common in old age because

Epidermal thinning

Label the skin A B C D E F

Epidermis, Dermis, Hypodermis, sweat pore, merocrine sweat gland, arrector pili muscle

Which of the following best explains why hair color dulls or turns silver/grey as a person ages ?

Low functioning follicles and decreased melanocyte activity

Which of the following glands are sensitive to hormonal changes, causing acne in many people going through puberty.

Sebaceous

Which type of burn is most painful ? number word-degree

Second-degree

Match the term with its function, make-up or location made of dense keratinized cells deeper level of epithlium covered by the nail body where the nail is produced covered by the cuticle protect tips of fingers and toes

Visible Nail body, Nail bed, nail root, nail