Question 1

A __________ is an elevated patch of melanized skin.

Accepted Answer

A)  hemangioma
B)  mole
C)  freckle
D)  flexion line
E)  friction ridgeF) B) and D)
G) All of the above

Question 2

A hair cycle consists of three developmental stages in which order?

Accepted Answer

A)  Anagen, telogen, and catagen
B)  Anagen, catagen, and telogen
C)  Catagen, anagen, and telogen
D)  Catagen, telogen, and anagen
E)  Telogen, anagen, and catagenF) A) and D)
G) B) and E)

Question 3

Albinism is the genetic lack of melanin that results in a milky white coloration of the skin.

Accepted Answer

A) True 
 B)False

Question 4

Looking at a slide of thin skin under the microscope,you note that the stratum basale is the __________ layer of the epidermis in from the surface.

Accepted Answer

A)  second
B)  third
C)  first
D)  fifth
E)  fourthF) A) and B)
G) A) and C)

Question 5

The least common,but most deadly,type of skin cancer is __________.

Accepted Answer

A)  basal cell carcinoma
B)  squamous cell carcinoma
C)  melanoma
D)  skin lymphoma
E)  skin sarcomaF) D) and E)
G) B) and E)

Question 6

What is the white opaque "moon" often found at the proximal end of a fingernail called?

Accepted Answer

A)  Free edge
B)  Nail body
C)  Eponychium
D)  Lunule
E)  Nail rootF) A) and E)
G) B) and E)

Question 7

What type of hair is present prenatally and usually replaced by birth?

Accepted Answer

A)  Lunule
B)  Peach fuzz
C)  Terminal hair
D)  Vellus
E)  LanugoF) B) and C)
G) B) and D)

Question 8

Leather is made of the __________ layer of the dermis.

Accepted Answer

A)  areolar
B)  keratin
C)  reticular
D)  collagen
E)  papillaryF) A) and D)
G) A) and C)

Question 9

Freckles are elevated patches with an abnormal coloration of the skin.

Accepted Answer

A) True 
 B)False

Question 10

Calluses or corns are the result of accelerated multiplication by ___________.

Accepted Answer

A)  melanocytes
B)  keratinocytes
C)  fibroblasts
D)  tactile cells
E)  red blood cellsF) A) and C)
G) None of the above

Question 11

Increased bilirubin levels cause a skin discoloration called __________.

Accepted Answer

A)  erythema
B)  jaundice
C)  pallor
D)  bronzing
E)  cyanosisF) B) and E)
G) C) and D)

Question 12

In whom are mammary glands found?

Accepted Answer

A)  In lactating females
B)  In lactating and non-lactating females
C)  In non-lactating females
D)  In non-lactating females and malesE) C) and D)
F) None of the above

Question 13

Which of the following cells stand guard against toxins,microbes and other pathogens?

Accepted Answer

A)  Keratinocytes
B)  Melanocytes
C)  Adipocytes
D)  Dendritic (Langerhans)  cells
E)  Tactile (Merkel)  cellsF) A) and B)
G) A) and C)

Question 14

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 painF) C) and E)
G) None of the above

Question 15

Which of the following is not found in the epidermis?

Accepted Answer

A)  Melanocytes
B)  Fibroblasts
C)  Stem cells
D)  Keratinocytes
E)  Tactile cellsF) None of the above
G) A) and D)

Question 16

Straight hair is round,wavy hair is oval,and curly hair is relatively flat.

Accepted Answer

A) True 
 B)False

Question 17

Which two strata of the epidermis are most susceptible to cancer?

Accepted Answer

A)  Stratum corneum and stratum lucidum
B)  Stratum basale and stratum corneum
C)  Stratum spinosum and stratum basale
D)  Stratum granulosum and stratum spinosum
E)  Stratum lucidum and stratum granulosumF) A) and E)
G) A) and D)

Question 18

__________ burns involve the epidermis,all of the dermis,and often some deeper tissue.

Accepted Answer

A)  First-degree
B)  Second-degree
C)  Third-degree
D)  Partial-thickness
E)  MalignantF) All of the above
G) A) and E)

Question 19

The skin carries out the first step in the synthesis of vitamin
D.

Accepted Answer

A) True 
 B)False

Question 20

Living keratinocytes exfoliate from the epidermis as tiny specks called dander.

Accepted Answer

A) True 
 B)False

Exam 6: The Integumentary System

Albinism is the genetic lack of melanin that results in a milky white coloration of the skin.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

__________ burns involve the epidermis,all of the dermis,and often some deeper tissue.

Correct AnswerverifiedShow Answer

A hair cycle consists of three developmental stages in which order?

Correct AnswerverifiedShow Answer

Living keratinocytes exfoliate from the epidermis as tiny specks called dander.

Correct AnswerverifiedShow Answer

Leather is made of the __________ layer of the dermis.

Correct AnswerverifiedShow Answer

What is the white opaque "moon" often found at the proximal end of a fingernail called?

Correct AnswerverifiedShow Answer

The least common,but most deadly,type of skin cancer is __________.

Correct AnswerverifiedShow Answer

Which two strata of the epidermis are most susceptible to cancer?

Correct AnswerverifiedShow Answer

Straight hair is round,wavy hair is oval,and curly hair is relatively flat.

Correct AnswerverifiedShow Answer

In whom are mammary glands found?

Correct AnswerverifiedShow Answer

Calluses or corns are the result of accelerated multiplication by ___________.

Correct AnswerverifiedShow Answer

The skin carries out the first step in the synthesis of vitamin D.

Correct AnswerverifiedShow Answer

Increased bilirubin levels cause a skin discoloration called __________.

Correct AnswerverifiedShow Answer

Freckles are elevated patches with an abnormal coloration of the skin.

Correct AnswerverifiedShow Answer

Looking at a slide of thin skin under the microscope,you note that the stratum basale is the __________ layer of the epidermis in from the surface.

Correct AnswerverifiedShow Answer

Which of the following cells stand guard against toxins,microbes and other pathogens?

Correct AnswerverifiedShow Answer

Which of the following is not found in the epidermis?

Correct AnswerverifiedShow Answer

What type of hair is present prenatally and usually replaced by birth?

Correct AnswerverifiedShow Answer

A __________ is an elevated patch of melanized skin.

Correct AnswerverifiedShow Answer

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