Question 1

The single most important risk for skin cancer is ________.

Accepted Answer

A)   genetics
B)   use of farm chemicals
C)   race
D)   overexposure to UV radiationE) C) and D)
F) B) and C)

Question 2

Figure 5.2
Using Figure 5.2, match the following:
-Epidermis.

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) B) and C)
F) B) and D)

Question 3

Match the following:
-The protein found in the epidermis that is responsible for toughening the skin.

Accepted Answer

A)  Keratinocytes
B)  Keratin
C)  Cornified keratinocytes
D)  Dendritic cells
E)  Merkel discF) A) and B)
G) All of the above

Question 4

Figure 5.1
Using Figure 5.1, match the following:
-Where capillary loops are found.

Accepted Answer

A)  A
B)  E
C)  C
D)  D
E)  BF) A) and B)
G) A) and C)

Question 5

Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?

Accepted Answer

A)   The secretion of antibacterial compounds in sebum.
B)   Removal of nitrogenous compounds like urea within the sweat.
C)   Release of chemical signals by keratinocytes that have been damaged by UV light that will increase the production of melanin.
D)   The near waterproof secretions of glycolipids that is released by cells in the stratum granulosum.E) None of the above
F) All of the above

Question 6

The arrector pili muscle's predominate,useful function in humans is to ________.

Accepted Answer

A)   stimulating faster hair growth
B)   assisting in the release sebum from nearby sebaceous glands
C)   preventing germs from entering the hair shaft
D)   provide warmth by making the hair stand on endE) A) and D)
F) All of the above

Question 7

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body.How do physicians estimate the extent of burn damage associated with such dangerous fluid loss?

Accepted Answer

A)   by using the "rule of nines"
B)   by measuring urinary output and fluid intake
C)   by observing the tissues that are usually moist
D)   through blood analysisE) A) and D)
F) B) and C)

Question 8

Apocrine glands,which begin to function at puberty under hormonal influence,seem to play little role in thermoregulation.Where would we find these glands in the human body?

Accepted Answer

A)   in the axillary and anogenital area
B)   beneath the flexure lines in the body
C)   in all body regions and buried deep in the dermis
D)   in the palms of the hands and soles of the feetE) C) and D)
F) B) and D)

Question 9

Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?

Accepted Answer

A)   Release of sweat by eccrine glands in response to heat.
B)   An increase in sebum production in response to androgens (male sex hormones) .
C)   Lack of pain in third degree burns due to damage to sensory nerves in the dermis.
D)   Excretion of salts within the sweat.E) None of the above
F) A) and C)

Question 10

The sebaceous glands are simple alveolar glands that secrete a substance known as sebum.The secretion of sebum is stimulated ________.

Accepted Answer

A)   as a protective coating when one is swimming
B)   when the air temperature drops
C)   by high temperatures
D)   by hormones, especially androgensE) B) and C)
F) A) and D)

Question 11

Match the following:
-A bluish color in light-skinned individuals.

Accepted Answer

A)  Addison's disease
B)  Jaundice
C)  Pallor
D)  Erythema
E)  CyanosisF) A) and E)
G) A) and D)

Question 12

Which glands produce ear wax?

Accepted Answer

A)   merocrine glands
B)   ceruminous glands
C)   eccrine glands
D)   apocrine glandsE) A) and B)
F) B) and C)

Question 13

Sudoriferous (sweat) glands are categorized as two distinct types.Which of the following are the two types of sweat glands?

Accepted Answer

A)   eccrine and apocrine
B)   mammary and ceruminous
C)   holocrine and mammary
D)   sebaceous and merocrineE) A) and D)
F) A) and B)

Question 14

What are vellus hairs?

Accepted Answer

pale,fine body hair ...

Question 15

In addition to the synthesis of vitamin D,keratinocytes are able to carry out some other biologically important functions.Name at least two of these other functions.

Accepted Answer

Keratinocyte enzymes can neutr...

Question 16

Betty,an 83 year old woman,is bedfast due to a severely broken hip.Unfortunately,she has developed a decubitus ulcer.What is a decubitus ulcer and what may have caused it to occur?

Accepted Answer

A decubitus ulcer is a localized breakdo...

Question 17

Match the following:
-Hair that lacks pigment and is often called "immature hair."

Accepted Answer

A)  Stratum corneum
B)  Stratum basale
C)  Sudoriferous glands
D)  VellusE) All of the above
F) A) and B)

Question 18

The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells)circulating in the dermal capillaries and reflecting through the epidermis.

Accepted Answer

A) True 
 B)False

Question 19

A light skinned person may appear pink when they become over heated.The best explanation for this is ________.

Accepted Answer

A)   the blood vessels of the dermis have undergone vasodilation, bringing a greater volume of blood to the skin
B)   the heart is pumping faster because the person was probably exercising
C)   blood flow has increased to the sweat glands in order to increased their metabolic activity
D)   the melanocytes are responding to the heat of the sun and change the appearance of the skin with increased productionE) A) and D)
F) B) and C)

Question 20

During the regressive phase of hair growth,the matrix is inactive and the follicle atrophies.

Accepted Answer

A) True 
 B)False

Exam 5: The Integumentary System

A light skinned person may appear pink when they become over heated.The best explanation for this is ________.

Correct AnswerverifiedShow Answer

Which glands produce ear wax?

Correct AnswerverifiedShow Answer

Match the following: -Hair that lacks pigment and is often called "immature hair."

Correct AnswerverifiedShow Answer

Figure 5.1 Using Figure 5.1, match the following: -Where capillary loops are found.

Correct AnswerverifiedShow Answer

The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells)circulating in the dermal capillaries and reflecting through the epidermis.

Correct AnswerverifiedShow Answer

What are vellus hairs?

Correct Answerverifiedpale,fine body hair ...View AnswerShow Answer

Sudoriferous (sweat) glands are categorized as two distinct types.Which of the following are the two types of sweat glands?

Correct AnswerverifiedShow Answer

Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?

Correct AnswerverifiedShow Answer

During the regressive phase of hair growth,the matrix is inactive and the follicle atrophies.

Correct AnswerverifiedShow Answer

Burns are devastating and debilitating because of loss of fluids and electrolytes from the body.How do physicians estimate the extent of burn damage associated with such dangerous fluid loss?

Correct AnswerverifiedShow Answer

Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?

Correct AnswerverifiedShow Answer

The single most important risk for skin cancer is ________.

Correct AnswerverifiedShow Answer

In addition to the synthesis of vitamin D,keratinocytes are able to carry out some other biologically important functions.Name at least two of these other functions.

Correct AnswerverifiedKeratinocyte enzymes can neutr...View AnswerShow Answer

Match the following: -The protein found in the epidermis that is responsible for toughening the skin.

Correct AnswerverifiedShow Answer

Figure 5.2 Using Figure 5.2, match the following: -Epidermis.

Correct AnswerverifiedShow Answer

Match the following: -A bluish color in light-skinned individuals.

Correct AnswerverifiedShow Answer

The sebaceous glands are simple alveolar glands that secrete a substance known as sebum.The secretion of sebum is stimulated ________.

Correct AnswerverifiedShow Answer

Apocrine glands,which begin to function at puberty under hormonal influence,seem to play little role in thermoregulation.Where would we find these glands in the human body?

Correct AnswerverifiedShow Answer

Betty,an 83 year old woman,is bedfast due to a severely broken hip.Unfortunately,she has developed a decubitus ulcer.What is a decubitus ulcer and what may have caused it to occur?

Correct AnswerverifiedA decubitus ulcer is a localized breakdo...View AnswerShow Answer

The arrector pili muscle's predominate,useful function in humans is to ________.

Correct AnswerverifiedShow Answer

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pale,fine body hair ...
View Answer

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Correct Answer
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Correct Answer
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Correct Answer
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Keratinocyte enzymes can neutr...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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A decubitus ulcer is a localized breakdo...
View Answer

Correct Answer
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