Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

In areas of the skin where the epidermis is thin,the ________ may be absent.

Accepted Answer

A)  stratum lucidum
B)  stratum granulosum
C)  stratum corneum
D)  stratum basaleE) A) and D)
F) B) and C)

Question 3

A future treatment for baldness may potentially be

Accepted Answer

A)  head massages.
B)  high protein shakes.
C)  scalp transplants.
D)  stem cells from the bulb region at the base of hair follicles.E) None of the above
F) All of the above

Question 4

Blood with excess oxygen causes cyanosis.

Accepted Answer

A) True 
 B)False

Question 5

Nerve fibers scattered throughout the dermis are associated with

Accepted Answer

A)  hair,melanocytes,and pores.
B)  bone,tendons,and muscles.
C)  fingernails and toenails.
D)  muscles,glands,and sensory receptors.E) C) and D)
F) A) and B)

Question 6

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) B) and D)
F) C) and D)

Question 7

The advantage of cryo-electron tomography is that it

Accepted Answer

A)  enables cells to divide continually.
B)  is cheaper than other methods.
C)  provides a static view of the skin.
D)  preserves intercellular junctions.E) A) and B)
F) B) and D)

Question 8

The granulations that appear during the healing of a large,open wound are composed mainly of

Accepted Answer

A)  blood clots.
B)  phagocytic cells.
C)  fibroblasts surrounding blood vessels.
D)  scar tissue.E) B) and C)
F) A) and D)

Question 9

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) B) and C)
F) C) and D)

Question 10

The skin appears yellowish if a person eats too much

Accepted Answer

A)  collagen.
B)  carotene.
C)  cyanin.
D)  melanin.E) None of the above
F) B) and D)

Question 11

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) A) and C)
F) All of the above

Question 12

The layer of the epidermis that includes melanocytes and a single row of columnar cells that undergo mitosis is the

Accepted Answer

A)  stratum corneum.
B)  stratum granulosum.
C)  stratum spinosum.
D)  stratum basale.E) B) and C)
F) A) and B)

Question 13

A burn affecting only the epidermis is a

Accepted Answer

A)  superficial partial-thickness burn.
B)  deep partial-thickness burn.
C)  second degree burn.
D)  third degree burn.E) None of the above
F) All of the above

Question 14

Three physiological factors that affect the color of skin are: volume of blood in dermal vessels,carotene in the subcutaneous layer,and various diseases.

Accepted Answer

A) True 
 B)False  True

Question 15

Sunlight,ultraviolet light,and X rays all darken skin because they increase blood flow to the dermis.

Accepted Answer

A) True 
 B)False

Question 16

____________ sweat glands become active at puberty and possess ducts that open into hair follicles.

Accepted Answer

The answer of ____________ sweat glands become active at puberty...

Question 17

Two thieves steal jewelry,and then drop it as they are escaping.The police recover the jewelry,and an officer explains on the evening news that fingerprints were obtained from the back of a watch.The thieves,whose prints are not on file,believe that they can escape prosecution by using acid to remove the epidermis on their fingerpads,so as not to be a match for the fingerprints on the watch.They are wrong because

Accepted Answer

A)  the prints arise from the subcutaneous layer,which is not destroyed.
B)  the prints arise from friction ridges of the dermis,which are not destroyed.
C)  the epidermis will regrow the friction ridges in a day.
D)  the friction ridges will not grow back in the same pattern.E) None of the above
F) A) and B) B

Question 18

Which of the following is a normal response to excessive loss of body heat in a cold environment?

Accepted Answer

A)  Dermal blood vessels constrict.
B)  Sweat glands become active.
C)  Smooth muscles relax.
D)  Dermal blood vessels dilate.E) A) and B)
F) B) and D)

Question 19

Which of the following is not correct concerning the skin?

Accepted Answer

A)  The dermis is usually thicker than the epidermis.
B)  The epidermis is composed of stratified squamous epithelium.
C)  The subcutaneous layer is between the dermis and the epidermis.
D)  The dermis contains smooth muscle and nervous tissue.E) B) and C)
F) None of the above

Question 20

The amount of keratin protein produced during keratinization determines hair color.

Accepted Answer

A) True 
 B)False  False

Exam 6: Skin and the Integumentary System

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

Correct Answer
verified

In areas of the skin where the epidermis is thin,the ________ may be absent.

Correct Answer
verified

A future treatment for baldness may potentially be

Correct Answer
verified

Blood with excess oxygen causes cyanosis.

Correct Answer
verified

Nerve fibers scattered throughout the dermis are associated with

Correct Answer
verified

The subcutaneous layer is

Correct Answer
verified

The advantage of cryo-electron tomography is that it

Correct Answer
verified

The granulations that appear during the healing of a large,open wound are composed mainly of

Correct Answer
verified

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

Correct Answer
verified

The skin appears yellowish if a person eats too much

Correct Answer
verified

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

Correct Answer
verified

The layer of the epidermis that includes melanocytes and a single row of columnar cells that undergo mitosis is the

Correct Answer
verified

A burn affecting only the epidermis is a

Correct Answer
verified

Three physiological factors that affect the color of skin are: volume of blood in dermal vessels,carotene in the subcutaneous layer,and various diseases.

Correct Answer
verified
True

Sunlight,ultraviolet light,and X rays all darken skin because they increase blood flow to the dermis.

Correct Answer
verified

____________ sweat glands become active at puberty and possess ducts that open into hair follicles.

Correct Answer
verified

Correct Answer
verified
B

Which of the following is a normal response to excessive loss of body heat in a cold environment?

Correct Answer
verified

Which of the following is not correct concerning the skin?

Correct Answer
verified

The amount of keratin protein produced during keratinization determines hair color.

Correct Answer
verified
False

Exam 6: Skin and the Integumentary System

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

Correct AnswerverifiedShow Answer

In areas of the skin where the epidermis is thin,the ________ may be absent.

Correct AnswerverifiedShow Answer

A future treatment for baldness may potentially be

Correct AnswerverifiedShow Answer

Blood with excess oxygen causes cyanosis.

Correct AnswerverifiedShow Answer

Nerve fibers scattered throughout the dermis are associated with

Correct AnswerverifiedShow Answer

The subcutaneous layer is

Correct AnswerverifiedShow Answer

The advantage of cryo-electron tomography is that it

Correct AnswerverifiedShow Answer

The granulations that appear during the healing of a large,open wound are composed mainly of

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The skin appears yellowish if a person eats too much

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The layer of the epidermis that includes melanocytes and a single row of columnar cells that undergo mitosis is the

Correct AnswerverifiedShow Answer

A burn affecting only the epidermis is a

Correct AnswerverifiedShow Answer

Three physiological factors that affect the color of skin are: volume of blood in dermal vessels,carotene in the subcutaneous layer,and various diseases.

Correct AnswerverifiedTrue

Sunlight,ultraviolet light,and X rays all darken skin because they increase blood flow to the dermis.

Correct AnswerverifiedShow Answer

____________ sweat glands become active at puberty and possess ducts that open into hair follicles.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedB

Which of the following is a normal response to excessive loss of body heat in a cold environment?

Correct AnswerverifiedShow Answer

Which of the following is not correct concerning the skin?

Correct AnswerverifiedShow Answer

The amount of keratin protein produced during keratinization determines hair color.

Correct AnswerverifiedFalse

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True

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B

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False