Question 1

Which of the following statements concerning the epidermis is true?

Accepted Answer

A)  The epidermis contains numerous blood vessels.
B)  The epidermis is very permeable to water-soluble molecules.
C)  The epidermis is nourished by blood vessels located in the dermis.
D)  The most numerous cells in the epidermis are the melanocytes.
E)  The dermis is superficial to the epidermis.F) A) and B)
G) A) and C)

Question 2

What is synonymous with the cuticle?

Accepted Answer

A)  nail fold
B)  eponychium
C)  nail body
D)  hyponychium
E)  nail rootF) C) and D)
G) A) and C)

Question 3

The central axis of the hair is the

Accepted Answer

A)  shaft.
B)  cuticle.
C)  root.
D)  medulla.
E)  hair bulb.F) None of the above
G) B) and D)

Question 4

What type of burn involves damage to the epidermis,dermis,and subcutaneous tissue?

Accepted Answer

A)  Full thickness
B)  Partial thickness
C)  Second degree
D)  Total dermal thickness
E)  First degreeF) B) and E)
G) B) and C)

Question 5

With aging,individuals tend to feel colder and usually need the thermostat in their home set higher in the winter to feel warm enough.This is probably because the elderly

Accepted Answer

A)  exhibit a decrease in melanin production.
B)  no longer experience hot flashes at night.
C)  have less blood flowing to the skin.
D)  have an increase in desquamation.
E)  experience a decrease in the thickness of their subcutaneous fat layer.F) All of the above
G) A) and E)

Question 6

Which of the following will help cool the body?

Accepted Answer

A)  decreased blood flow to the skin
B)  absorption of excess sweat
C)  evaporation of sweat from the skin's surface
D)  absorption of ultraviolet light rays by the skin
E)  contraction of the arrector pili musclesF) A) and C)
G) D) and E)

Question 7

The blue color of superficial blood vessels results from

Accepted Answer

A)  a lack of oxygen in the blood.
B)  the light-scattering properties of collagen.
C)  the superficial location of skin pigments.
D)  an increase in arterial blood circulating in the area.
E)  a lack of melanin in the area.F) A) and D)
G) B) and C)

Question 8

What protein is found in the nails,hair,and epidermis?

Accepted Answer

A)  keratin
B)  collagen
C)  melanin
D)  elastin
E)  caroteneF) B) and E)
G) C) and D)

Question 9

Which of the following is NOT a complication of a major burn?

Accepted Answer

A)  electrolyte imbalance
B)  weight loss
C)  fever
D)  hypermetabolic state
E)  decreased protein demandF) C) and E)
G) C) and D)

Question 10

The portion of the hair below the surface of the skin is the

Accepted Answer

A)  medulla.
B)  shaft.
C)  cuticle.
D)  root.
E)  hair bulb.F) None of the above
G) A) and C)

Question 11

Which of the following statements is false?

Accepted Answer

A)  Sebaceous secretions are lipid soluble.
B)  Secretions from sebaceous glands oil the hair and skin.
C)  Secretions from sebaceous glands provide protection against bacteria.
D)  Most sebaceous glands are connected by a duct to the upper portion of the hair follicle.
E)  Sebaceous glands are an example of apocrine glands.F) B) and D)
G) A) and D)

Question 12

Lead poisoning can be detected by doing an analysis of

Accepted Answer

A)  sweat.
B)  skin folds.
C)  hair.
D)  skin.
E)  nails.F) A) and B)
G) D) and E)

Question 13

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

Accepted Answer

A)  improve the grip of the hands.
B)  are caused by the pattern of the reticular layer of the dermis.
C)  are associated with thin skin.
D)  decrease friction on surfaces where they are located.
E)  tend to make the surface smooth.F) D) and E)
G) B) and C)

Question 14

A victim of an automobile accident goes into shock,which results in decreased blood flow.The victim's skin will

Accepted Answer

A)  have a reddish hue.
B)  not change color.
C)  become bright red.
D)  become pale.
E)  develop a yellow tint.F) A) and E)
G) C) and E)

Question 15

This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Accepted Answer

A)  eczema
B)  psoriasis
C)  vitiligo
D)  decubitus ulcer
E)  bullaeF) All of the above
G) None of the above

Question 16

-What does structure "D" represent on the diagram?

Accepted Answer

A)  arrector pili
B)  sebaceous gland
C)  hypodermis
D)  hair follicle
E)   epidermis and dermisF) A) and B)
G) A) and C)

Question 17

Acne is caused by

Accepted Answer

A)  testosterone.
B)  sebum.
C)  abnormal keratinization of hair follicles.
D)  Propionibacterium.
E)  All of these are factors.F) B) and D)
G) D) and E)

Question 18

This stratum contains many layers of dead squamous cells.

Accepted Answer

A)  stratum lucidum
B)  stratum spinosum
C)  stratum granulosum
D)  stratum basale
E)  stratum corneumF) A) and E)
G) A) and C)

Question 19

The epidermal layer that is present in the nail bed and the nail matrix is the

Accepted Answer

A)  stratum basale.
B)  stratum corneum.
C)  stratum lucidum.
D)  stratum lunula.
E)  stratum spinosum.F) C) and D)
G) A) and B)

Question 20

Light-skinned races such as Caucasians have

Accepted Answer

A)  approximately the same number of melanocytes as races with darker skins.
B)  more melanocytes than races with darker skins.
C)  fewer melanocytes than races with darker skins.
D)  more melanin in their skin.
E)  a different kind of melanin in their skin.F) B) and C)
G) B) and E)

Exam 5: Integumentary System

Which of the following will help cool the body?

Correct AnswerverifiedShow Answer

Acne is caused by

Correct AnswerverifiedShow Answer

What type of burn involves damage to the epidermis,dermis,and subcutaneous tissue?

Correct AnswerverifiedShow Answer

What protein is found in the nails,hair,and epidermis?

Correct AnswerverifiedShow Answer

A victim of an automobile accident goes into shock,which results in decreased blood flow.The victim's skin will

Correct AnswerverifiedShow Answer

Light-skinned races such as Caucasians have

Correct AnswerverifiedShow Answer

The epidermal layer that is present in the nail bed and the nail matrix is the

Correct AnswerverifiedShow Answer

Which of the following is NOT a complication of a major burn?

Correct AnswerverifiedShow Answer

The blue color of superficial blood vessels results from

Correct AnswerverifiedShow Answer

Lead poisoning can be detected by doing an analysis of

Correct AnswerverifiedShow Answer

-What does structure "D" represent on the diagram?

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The portion of the hair below the surface of the skin is the

Correct AnswerverifiedShow Answer

What is synonymous with the cuticle?

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This condition is characterized by a thicker-than-normal stratus corneum producing large silvery scales.

Correct AnswerverifiedShow Answer

Which of the following statements is false?

Correct AnswerverifiedShow Answer

With aging,individuals tend to feel colder and usually need the thermostat in their home set higher in the winter to feel warm enough.This is probably because the elderly

Correct AnswerverifiedShow Answer

This stratum contains many layers of dead squamous cells.

Correct AnswerverifiedShow Answer

Parallel curving ridges of dermis that shape the overlying epidermis into fingerprints

Correct AnswerverifiedShow Answer

The central axis of the hair is the

Correct AnswerverifiedShow Answer

Which of the following statements concerning the epidermis is true?

Correct AnswerverifiedShow Answer

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