Question 1

Bilirubin causes a skin discoloration called

Accepted Answer

A)  erythema.
B)  jaundice.
C)  pallor.
D)  bronzing.
E)  cyanosis.F) All of the above
G) A) and D)

Question 2

The oil of your scalp is secreted by glands associated with the hair follicles.

Accepted Answer

A)  merocrine sweat
B)  apocrine sweat
C)  sebaceous
D)  ceruminous
E)  mammaryF) B) and D)
G) B) and C)

Question 3

This image shows strata and cell types of the epidermis.represents a living keratinocyte belonging to the stratum basale.

Accepted Answer

A)  "1"
B)  "2"
C)  "3"
D)  "4"
E)  "5"F) C) and D)
G) A) and B)

Question 4

Excessive hairiness is called

Accepted Answer

A)  telogenism.
B)  anagenism.
C)  catagenism.
D)  alopecia.
E)  hirsutism.F) B) and D)
G) C) and E)

Question 5

The cutaneous glands concerned with cooling the body are

Accepted Answer

A)  ceruminous glands.
B)  sebaceous glands.
C)  merocrine glands.
D)  apocrine glands.
E)  exothermic glands.F) C) and D)
G) A) and B)

Question 6

This image shows the anatomy of a fingernail.What does "2" represent?

Accepted Answer

A)  free edge
B)  nail body
C)  eponychium (cuticle) 
D)  lunule
E)  nail rootF) A) and B)
G) C) and E)

Question 7

The contraction of the piloerector muscles (pilomotor muscle or arrector pili)  in humans causes

Accepted Answer

A)  hairs to stand on end trapping an insulating layer of warm air next to the skin.
B)  generation of heat to raise the body temperature.
C)  hairs to stand on end to make the individual appear bigger.
D)  hairs to stand on end with no apparent function.
E)  increased ability to feel pain.F) C) and D)
G) A) and E)

Question 8

This skin color is most likely to result from anemia.

Accepted Answer

A)  pallor
B)  erythema
C)  hematoma
D)  albinism
E)  jaundiceF) B) and D)
G) All of the above

Question 9

The acidity of sweat contributes to the acid mantle that inhibits bacterial growth in the skin.

Accepted Answer

A) True 
 B)False

Question 10

This layer of the epidermis consists of up to 30 layers of dead cells.

Accepted Answer

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

Question 11

The are a source of sex pheromones.

Accepted Answer

A)  ceruminous glands
B)  merocrine glands
C)  mammary glands
D)  sebaceous glands
E)  apocrine glandsF) B) and E)
G) D) and E)

Question 12

Secretions from glands contribute to the acid mantle that inhibits bacterial growth on the skin.

Accepted Answer

A)  mammary
B)  ceruminous
C)  sebaceous
D)  apocrine sweat
E)  merocrine sweatF) A) and E)
G) A) and C)

Question 13

The hair present only prenatally is called , most of which is replaced by by the time of birth.

Accepted Answer

A)  pilus; terminal hair
B)  lanugo; terminal hair
C)  vellus; terminal hair
D)  vellus; lanugo
E)  lanugo; vellusF) C) and E)
G) A) and E)

Question 14

Most of the skin is mm thick.

Accepted Answer

A)  0.01 to 0.02
B)  0.1 to 0.2
C)  1 to 2
D)  10 to 20
E)  100 to 200F) A) and B)
G) B) and E)

Question 15

Each hair grows in an oblique epithelial tube called a(an)

Accepted Answer

A)  hair follicle.
B)  vellus.
C)  pilus.
D)  bulb.
E)  dermal papilla.F) A) and C)
G) A) and B)

Question 16

Blood vessels in the provide a hair with its sole source of nutrition.

Accepted Answer

A)  bulb
B)  root
C)  shaft
D)  dermal papilla
E)  medullaF) None of the above
G) B) and D)

Question 17

Merocrine sweat glands are associated with hair follicles in the pubic and anal regions, axilla, areola,
and beard.

Accepted Answer

A) True 
 B)False

Question 18

Mitosis in the accounts for growth of the nail.

Accepted Answer

A)  nail plate
B)  nail fold
C)  eponychium
D)  hyponychium
E)  nail matrixF) A) and E)
G) B) and D)

Question 19

A pilus is

Accepted Answer

A)  a hair.
B)  a hair follicle.
C)  a tiny muscle that moves a hair.
D)  a sensory nerve fiber around the base of a hair.
E)  a gland associated with a hair follicle.F) All of the above
G) A) and B)

Question 20

Variations in hair color arise from the relative amounts of

Accepted Answer

A)  collagen and elastic filaments.
B)  keratin and melanin.
C)  carotene and hemoglobin.
D)  carotene and collagen.
E)  eumelanin and pheomelanin.F) C) and D)
G) None of the above

Exam 6: The Integumentary System

The contraction of the piloerector muscles (pilomotor muscle or arrector pili) in humans causes

Correct AnswerverifiedShow Answer

This skin color is most likely to result from anemia.

Correct AnswerverifiedShow Answer

Bilirubin causes a skin discoloration called

Correct AnswerverifiedShow Answer

The are a source of sex pheromones.

Correct AnswerverifiedShow Answer

Variations in hair color arise from the relative amounts of

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Blood vessels in the provide a hair with its sole source of nutrition.

Correct AnswerverifiedShow Answer

Excessive hairiness is called

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The acidity of sweat contributes to the acid mantle that inhibits bacterial growth in the skin.

Correct AnswerverifiedShow Answer

This image shows the anatomy of a fingernail.What does "2" represent?

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Most of the skin is mm thick.

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The oil of your scalp is secreted by glands associated with the hair follicles.

Correct AnswerverifiedShow Answer

Each hair grows in an oblique epithelial tube called a(an)

Correct AnswerverifiedShow Answer

Secretions from glands contribute to the acid mantle that inhibits bacterial growth on the skin.

Correct AnswerverifiedShow Answer

This layer of the epidermis consists of up to 30 layers of dead cells.

Correct AnswerverifiedShow Answer

Mitosis in the accounts for growth of the nail.

Correct AnswerverifiedShow Answer

This image shows strata and cell types of the epidermis.represents a living keratinocyte belonging to the stratum basale.

Correct AnswerverifiedShow Answer

The hair present only prenatally is called , most of which is replaced by by the time of birth.

Correct AnswerverifiedShow Answer

A pilus is

Correct AnswerverifiedShow Answer

The cutaneous glands concerned with cooling the body are

Correct AnswerverifiedShow Answer

Merocrine sweat glands are associated with hair follicles in the pubic and anal regions, axilla, areola, and beard.

Correct AnswerverifiedShow Answer

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