Question 1

The _________________________ layer of the skin contains bundles of collagen fibers and elastin and is responsible for the strength of the skin.

Accepted Answer

The answer of The _________________________ layer of the skin contains...

Question 2

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

Accepted Answer

A)  melanin 
B)  keratin 
C)  carotene 
D)  biliverdin 
E)  bilirubin

Question 3

The subcutaneous layer is made of

Accepted Answer

A)  epithelial tissue. 
B)  loose connective and adipose tissues. 
C)  dense connective and loose connective tissues. 
D)  epithelium and loose connective tissues. 
E)  skeletal muscles and adipose tissue.

Question 4

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

Accepted Answer

The answer of The protein that contributes to many of...

Question 5

The most important factor in skin color is

Accepted Answer

A)  sunlight exposure. 
B)  dermal blood supply. 
C)  diet. 
D)  number of keratinocytes. 
E)  genetic factors.

Question 6

The _________________________ glands function as scent glands.

Accepted Answer

The answer of The _________________________ glands function as scent glands....

Question 7

Nerve fibers in the skin are associated with

Accepted Answer

A)  smooth muscles. 
B)  blood vessels. 
C)  sensory nerve endings. 
D)  hair follicles. 
E)  all of the above

Question 8

The primary mode of heat loss from the body is

Accepted Answer

A)  radiation. 
B)  conduction. 
C)  convection. 
D)  evaporation. 
E)  none of the above

Question 9

Which of the following is the correct order of the layers of the cutaneous membrane?

Accepted Answer

A)  epidermis, hypodermis, dermis 
B)  dermis, epidermis, hypodermis 
C)  epidermis, dermis, hypodermis 
D)  hypodermis, dermis, epidermis 
E)  dermis, hypodermis, dermis

Question 10

A "rug burn" is an example of a(n)

Accepted Answer

A)  abrasion. 
B)  laceration. 
C)  puncture. 
D)  incision. 
E)  contusion.

Question 11

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

Accepted Answer

A)  The blood supply to the skin increases. 
B)  The number of red melanocytes in the skin increases. 
C)  Melanocytes increase production of red pigments. 
D)  The blood supply to the skin decreases. 
E)  Increased heat causes the skin to turn red.

Question 12

A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a(n) _________________________.

Accepted Answer

The answer of A thickened area of scar tissue that...

Question 13

The pigment melanin

Accepted Answer

A)  is produced by cells called melanocytes and is found in higher concentration in individuals with darker skin. 
B)  is usually some shade of red, yellow, or brown. 
C)  protects DNA from the damaging effects of UV radiation. 
D)  A and C only 
E)  all of the above

Question 14

Specialized sweat glands that produce milk are called

Accepted Answer

A)  ceruminous glands. 
B)  apocrine sweat glands. 
C)  sebaceous glands. 
D)  merocrine sweat glands. 
E)  mammary glands.

Question 15

Exposure to _________________________ radiation from the sun has the effect of increasing melanin production in the skin.

Accepted Answer

The answer of Exposure to _________________________ radiation from the sun...

Question 16

The layer of the skin that provides thermoregulation via changing blood flow is the

Accepted Answer

A)  dermis. 
B)  subcutaneous layer. 
C)  epidermis. 
D)  papillary layer. 
E)  sebum layer.

Question 17

Injections made under the skin are called

Accepted Answer

A)  epidermal injections. 
B)  subcutaneous injections. 
C)  dermal injections. 
D)  hypodermal injections. 
E)  intramuscular injections.

Question 18

Using the figure above, identify the labeled part.
-Label I: ________

Accepted Answer

The answer of  Using the figure above, identify the...

Question 19

In a condition known as sunstroke, the victim appears flushed, the skin is warm and dry, and the body temperature rises dramatically. Explain these observations based on what you know concerning the role of the skin in thermoregulation.

Accepted Answer

The answer of In a condition known as sunstroke, the...

Question 20

Using the figure above, identify the labeled part.
-Label G: ________

Accepted Answer