Question 1

The subcutaneous layer is

Accepted Answer

A)   made of squamous epithelium.
B)   part of the basement membrane.
C)   between the epidermis and the dermis.
D)   not part of the skin.E) None of the above
F) B) and C)

Question 2

A warm surface loses heat to the air molecules continuously circulating over it by

Accepted Answer

A)   radiation.
B)   evaporation.
C)   conduction.
D)   convection.E) C) and D)
F) A) and B) D

Question 3

After a severe burn, new skin may grow outwards from the hair follicles. New growth begins here because

Accepted Answer

A)   the hair follicles are very resistant to fire and heat.
B)   a person has many hair follicles.
C)   a hair follicle contains stem cells in the bulb region.
D)   the hair follicles are located in the subcutaneous layer.E) A) and B)
F) A) and C)

Question 4

The nail plate is produced by

Accepted Answer

A)   bone cells.
B)   fibroblasts.
C)   melanocytes.
D)   specialized epithelial cells.E) B) and C)
F) A) and B)

Question 5

Cutaneous melanomas are associated with

Accepted Answer

A)   short exposure to high-intensity sunlight.
B)   prolonged exposure to low-intensity sunlight.
C)   occasional exposure to X-rays.
D)   exposure to background radiation.E) B) and D)
F) A) and B)

Question 6

Sebaceous glands secrete

Accepted Answer

A)   fat globules that mix with cellular debris, forming sebum.
B)   hormones.
C)   sweat in the armpits.
D)   mucus.E) A) and D)
F) B) and C)

Question 7

Injections that are administered into the tissues of the skin are called

Accepted Answer

A)   subcutaneous.
B)   intradermal.
C)   intramuscular.
D)   hypodermic.E) None of the above
F) A) and D)

Question 8

Aging affects the appearance of the skin, producing wrinkles and sagging due to decreased collagen and elastin formation.

Accepted Answer

A) True 
 B)False

Question 9

The arrector pili muscle is attached to

Accepted Answer

A)   the nail bed.
B)   a sebaceous gland.
C)   the hypodermis.
D)   a hair follicle.E) B) and C)
F) All of the above

Question 10

The skin appears yellowish if a person eats too much

Accepted Answer

A)   collagen.
B)   carotene.
C)   cyanin.
D)   melanin.E) C) and D)
F) B) and D)

Question 11

When showering, a young woman loses what looks like many hundreds of hairs. She should not be concerned about impending baldness.

Accepted Answer

A) True 
 B)False

Question 12

In healthy skin, the production of epidermal cells is closely balanced with the loss of skin cells.

Accepted Answer

A) True 
 B)False

Question 13

In the inherited disease ichythyosis, the skin is rough, brown, and very scaly because the uppermost layer cannot peel off as easily as skin normally does. The part of the skin that is affected is the

Accepted Answer

A)   epidermis.
B)   basement membrane.
C)   dermis.
D)   subcutaneous layer.E) A) and D)
F) B) and C)

Question 14

Gray hair is

Accepted Answer

A)   caused by a pigment, pseudomelanin.
B)   a mixture of red and brown hairs.
C)   a mixture of pigmented and unpigmented hairs.
D)   a form of albinism.E) C) and D)
F) B) and D) C

Question 15

Two or more types of tissue functioning together constitute a(n) ___________.

Accepted Answer

The answer of Two or more types of tissue functioning...

Question 16

Sweating cools the body by evaporation.

Accepted Answer

A) True 
 B)False  True

Question 17

The outermost layer of the epidermis is the stratum basale and the innermost layer is the stratum corneum.

Accepted Answer

A) True 
 B)False

Question 18

The flexible proteins that link the cell membranes of squamous epithelial cells in skin are

Accepted Answer

A)   cadherins.
B)   collagens.
C)   cellular adhesion molecules (CAMs) .
D)   keratins.E) C) and D)
F) B) and D)

Question 19

The tough layer of waterproof material that makes up the outermost part of the epidermis is the stratum lucidum.

Accepted Answer

A) True 
 B)False

Question 20

Which is the most likely explanation for the defect in dystrophic epidermolysis bullosa, in which the skin blisters in response to any touch?

Accepted Answer

A)   The skin has too many melanocytes that produce too much melanin.
B)   Melanocytes cannot produce melanin.
C)   Collagen fibrils that attach the epidermis to the dermis break down.
D)   The skin layers are reversed.E) B) and D)
F) None of the above

Exam 6: Integumentary System

The subcutaneous layer is

Correct AnswerverifiedShow Answer

A warm surface loses heat to the air molecules continuously circulating over it by

Correct AnswerverifiedD

After a severe burn, new skin may grow outwards from the hair follicles. New growth begins here because

Correct AnswerverifiedShow Answer

The nail plate is produced by

Correct AnswerverifiedShow Answer

Cutaneous melanomas are associated with

Correct AnswerverifiedShow Answer

Sebaceous glands secrete

Correct AnswerverifiedShow Answer

Injections that are administered into the tissues of the skin are called

Correct AnswerverifiedShow Answer

Aging affects the appearance of the skin, producing wrinkles and sagging due to decreased collagen and elastin formation.

Correct AnswerverifiedShow Answer

The arrector pili muscle is attached to

Correct AnswerverifiedShow Answer

The skin appears yellowish if a person eats too much

Correct AnswerverifiedShow Answer

When showering, a young woman loses what looks like many hundreds of hairs. She should not be concerned about impending baldness.

Correct AnswerverifiedShow Answer

In healthy skin, the production of epidermal cells is closely balanced with the loss of skin cells.

Correct AnswerverifiedShow Answer

In the inherited disease ichythyosis, the skin is rough, brown, and very scaly because the uppermost layer cannot peel off as easily as skin normally does. The part of the skin that is affected is the

Correct AnswerverifiedShow Answer

Gray hair is

Correct AnswerverifiedC

Two or more types of tissue functioning together constitute a(n) ___________.

Correct AnswerverifiedShow Answer

Sweating cools the body by evaporation.

Correct AnswerverifiedTrue

The outermost layer of the epidermis is the stratum basale and the innermost layer is the stratum corneum.

Correct AnswerverifiedShow Answer

The flexible proteins that link the cell membranes of squamous epithelial cells in skin are

Correct AnswerverifiedShow Answer

The tough layer of waterproof material that makes up the outermost part of the epidermis is the stratum lucidum.

Correct AnswerverifiedShow Answer

Which is the most likely explanation for the defect in dystrophic epidermolysis bullosa, in which the skin blisters in response to any touch?

Correct AnswerverifiedShow Answer

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D

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C

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True

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