Question 1

What does cyanosis signify?

Accepted Answer

A)  A person has been exposed to cyanide.
B)  A person has been exposed to too much sun.
C)  A person has oxygen-starved skin.
D)  A person has been kept out of the sun.E) B) and C)
F) A) and D)

Question 2

What vitamin is synthesized by the skin? Explain why this vitamin is critical for various physiological processes.

Accepted Answer

Vitamin D is synthesized by the skin upo...

Question 3

Frequent handwashing removes the antimicrobial secretions of:

Accepted Answer

A)  ceruminous glands.
B)  holocrine glands.
C)  sweat glands.
D)  sebaceous glands.E) A) and B)
F) B) and D)

Question 4

Society values cleanliness as evidenced by our frequent washing,and the volume of creams,conditioners,lotions,and moisturizers we buy.What secretion are we removing with frequent washing and why is that secretion important for the skin?

Accepted Answer

Frequent washing removes sebum from the ...

Question 5

Why are eyelashes shorter than terminal hairs on the scalp?

Accepted Answer

A)  The growth stage of an eyelash is shorter.
B)  The vascular supply of the eyebrow follicle is much less than that of the hair follicle on the scalp.
C)  Eyelashes grow slower than terminal hairs.
D)  Hormones in the eyebrow follicle turn off growth after it has reached a predetermined length.E) All of the above
F) A) and B)

Question 6

Carotene and hemoglobin are two pigments that contribute to skin color in minor ways.

Accepted Answer

A) True 
 B)False

Question 7

The nail body covers the:

Accepted Answer

A)  cuticle.
B)  lunula.
C)  nail bed.
D)  nail root.E) All of the above
F) None of the above

Question 8

How do vellus hairs differ from terminal hairs?

Accepted Answer

Terminal hairs are thick,coarse,and pigm...

Question 9

Which of the following occurs if body temperature rises above normal?

Accepted Answer

A)  Evaporative cooling decreases.
B)  Sweat gland activity decreases.
C)  The activity of melanocytes increases.
D)  Blood flow to the dermis increases.E) B) and D)
F) All of the above

Question 10

The papillary layer of the dermis consists of loose connective tissue that is built for warmth and insulation.

Accepted Answer

A) True 
 B)False

Question 11

The rule of nines is used to distinguish the various types of skin cancers from one another.

Accepted Answer

A) True 
 B)False

Question 12

What type of intercellular junction bands together adjacent cells,making the epidermis stronger?

Accepted Answer

A)  occluding junction
B)  tight junction
C)  gap junction
D)  desmosomeE) B) and D)
F) A) and C)

Question 13

Melanin is produced upon exposure to:

Accepted Answer

A)  cold.
B)  UV radiation.
C)  wind.
D)  heat.E) None of the above
F) A) and D)

Question 14

Thomas is deaf,but can feel the vibrations of music through sensory receptors in his skin called:

Accepted Answer

A)  tactile (Meissner) corpuscles.
B)  Merkel cells.
C)  lamellated (Pacinian) corpuscles.
D)  dermal papillae.E) A) and B)
F) All of the above

Question 15

Explain why the skin appears tanned,or darker,after spending time in the sun.

Accepted Answer

Melanin synthesis increases upon exposur...

Question 16

Explain how the secretions of eccrine sweat glands differ from those of the apocrine sweat glands.

Accepted Answer

The sweat released by eccrine sweat glan...

Question 17

Extreme stretching of the reticular layer of the dermis results in tension,or cleavage,lines.

Accepted Answer

A) True 
 B)False

Question 18

Amy works in a clinic and has several patients arrive with burns.Describe how she can distinguish between the first-degree and second-degree burns.Who should she treat first?

Accepted Answer

First-degree burns only affect the epide...

Question 19

The region of skin that provides a tough barrier against pathogens and trauma is the:

Accepted Answer

A)  subcutaneous layer.
B)  dermis.
C)  hypodermis.
D)  epidermis.E) A) and B)
F) None of the above

Question 20

Thick skin lacks:

Accepted Answer

A)  sweat glands.
B)  hair follicles.
C)  stratum lucidum.
D)  stratum granulosum.E) C) and D)
F) A) and D)

Exam 5: The Integumentary System

Explain why the skin appears tanned,or darker,after spending time in the sun.

Correct AnswerverifiedMelanin synthesis increases upon exposur...View AnswerShow Answer

What vitamin is synthesized by the skin? Explain why this vitamin is critical for various physiological processes.

Correct AnswerverifiedVitamin D is synthesized by the skin upo...View AnswerShow Answer

Extreme stretching of the reticular layer of the dermis results in tension,or cleavage,lines.

Correct AnswerverifiedShow Answer

Carotene and hemoglobin are two pigments that contribute to skin color in minor ways.

Correct AnswerverifiedShow Answer

Thomas is deaf,but can feel the vibrations of music through sensory receptors in his skin called:

Correct AnswerverifiedShow Answer

How do vellus hairs differ from terminal hairs?

Correct AnswerverifiedTerminal hairs are thick,coarse,and pigm...View AnswerShow Answer

Thick skin lacks:

Correct AnswerverifiedShow Answer

The nail body covers the:

Correct AnswerverifiedShow Answer

Why are eyelashes shorter than terminal hairs on the scalp?

Correct AnswerverifiedShow Answer

Explain how the secretions of eccrine sweat glands differ from those of the apocrine sweat glands.

Correct AnswerverifiedThe sweat released by eccrine sweat glan...View AnswerShow Answer

Melanin is produced upon exposure to:

Correct AnswerverifiedShow Answer

Which of the following occurs if body temperature rises above normal?

Correct AnswerverifiedShow Answer

Society values cleanliness as evidenced by our frequent washing,and the volume of creams,conditioners,lotions,and moisturizers we buy.What secretion are we removing with frequent washing and why is that secretion important for the skin?

Correct AnswerverifiedFrequent washing removes sebum from the ...View AnswerShow Answer

The papillary layer of the dermis consists of loose connective tissue that is built for warmth and insulation.

Correct AnswerverifiedShow Answer

What type of intercellular junction bands together adjacent cells,making the epidermis stronger?

Correct AnswerverifiedShow Answer

What does cyanosis signify?

Correct AnswerverifiedShow Answer

The rule of nines is used to distinguish the various types of skin cancers from one another.

Correct AnswerverifiedShow Answer

Amy works in a clinic and has several patients arrive with burns.Describe how she can distinguish between the first-degree and second-degree burns.Who should she treat first?

Correct AnswerverifiedFirst-degree burns only affect the epide...View AnswerShow Answer

Frequent handwashing removes the antimicrobial secretions of:

Correct AnswerverifiedShow Answer

The region of skin that provides a tough barrier against pathogens and trauma is the:

Correct AnswerverifiedShow Answer

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Melanin synthesis increases upon exposur...
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Correct Answer
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Vitamin D is synthesized by the skin upo...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Terminal hairs are thick,coarse,and pigm...
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Correct Answer
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Correct Answer
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Correct Answer
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The sweat released by eccrine sweat glan...
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Correct Answer
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Correct Answer
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Frequent washing removes sebum from the ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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First-degree burns only affect the epide...
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Correct Answer
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Correct Answer
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