The Integumentary System

Which type of burn appears inflamed and feels tender but has no blisters?

first-degree

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

first-degree.

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 type of burn is most painful ?

Second-degree

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

melanocytes.

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

the 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)

third-degree burn.

Melanin serves to protect cells in the deeper layers of the epidermis from ________. No answer provided

ultraviolet radiation

When the arrector pili muscles contract

"goose bumps" are formed

When the arrector pili muscles contract,

"goose bumps" are formed.

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

1. epidermis 2. dermis 3. hypodermis

What is the correct order for repair of the intgument ?

1. scab formation 2. tissue granlation 3. scab removal 4. scar formation

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

Stem

The skin is also called the ________ membrane.

cutaneous

Shafts of hair are comprised of

dead keratinized dermal cells.

Blood vessels are located in the

dermis

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

holocrine

Which type cancer commonly begins as a small mole ?

melanoma

Short term paling of the skin occurs with _______________.

vasoconstriction

Functions of the skin include

regulating body temperature.

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

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

basal cell carcinoma

Choose the 3 comonents that form granulation tissue

fibroblasts, fibrin blood clot, capillaries

The hair _________________ grows, making hair longers.

matrix

What is the function of mammary glands ?

secrete milk for feeding of young

Choose the 3 accessory structures of the Integumentary System

nails, hair, select exocrine glands

When the body is overheated, the skin responds by

perspiring, cooling the body through evaporation

Match the term with its function, make-up or location. (full answer wouldn't fit, so I have the term, and some key words)

visible nail body - keratinized cells nail bed -epithilium nail root - cuticle nail - fingers and toes

Epidermal cells synthesize this vitamin when exposed to sunlight.

vitamin D3

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

3rd degree

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

Decrease amount of macrophage residing in the skin

Skin injuries and infections are more common in old age becuase

Epidermal thinning.

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

Sebaceous

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.

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 ? (This question refers to goosebumps, and shows a picture of it.)

errector pili muscles

Perspiration that is produced by apocrine sweat glands

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

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

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

ceruminous

Thick skin can be found on the _____.

palms

Functions of the skin include

regulating body temperature

Merocrine sweat glands

respond primarily to elevated body temperature.

The two types of exocrine glands in the skin are

sebaceous and sweat glands

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

ultraviolet radiation

Epidermal cells are supplied with nutrients from blood vessels in the

hypodermis

Epidermal cells synthesize this vitamin when exposed to sunlight

D3

Exposure of the skin to UV radiaton ____________________.

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

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

earwax

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

How is the severity of a burn measured ?

depth into the tissues and the total area affected

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

dilating blood vessels

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

hair matrix

This type of skin decor is created by ________ scars. (this question refers to a man with many scars across his back)

keloid

This is a matching question of the integumentary system diagram. But i'll put the letters that match the term for memorization.

A - epidermis B- dermis C- Hypodermis D- Sweat Pore E- Merocrine Sweat Gland Arrector Pili Muscle

Which is NOT a component of sweat ?

Ammonia

Vitamin D3 is essestinal for _____________________.

Calcium and Phosphorus absorption in the small intestine.

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

Carotene