Question 1

Melanin, hemoglobin, and carotene give color to the skin.

Accepted Answer

A) True 
 B)False

Question 2

The hypodermis usually has an abundance of this tissue.

Accepted Answer

A)  epithelial tissue
B)  muscular tissue
C)  nervous tissue
D)  adipose tissue
E)  keratinized tissueF) B) and E)
G) B) and C)

Question 3

The three forms of skin cancer are defined by the types of cells from which they originate.

Accepted Answer

A) True 
 B)False

Question 4

The youngest keratinocytes are found in the stratum basale.

Accepted Answer

A) True 
 B)False  True

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 sarcoma.F) None of the above
G) B) and D)

Question 6

Ethnic differences in skin color are primarily caused by differences in

Accepted Answer

A)  UV radiation exposure.
B)  quantity of hemoglobin carried in the blood.
C)  quantity of melanin produced.
D)  number of melanocytes.
E)  number of keratinocytes.F) All of the above
G) A) and D) C

Question 7

is/are formed partly from the secretions of glands in the external ear canal.

Accepted Answer

A)  Sebum
B)  Cerumen
C)  Sweat
D)  Scents
E)  MucusF) None of the above
G) A) and B) B

Question 8

The skin does not include

Accepted Answer

A)  the epidermis.
B)  the papillary layer.
C)  the hypodermis.
D)  the stratum basale.
E)  the dermis.F) D) and E)
G) A) and D)

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

The is absent from most epidermis.

Accepted Answer

A)  stratum basale
B)  stratum spinosum
C)  stratum granulosum
D)  stratum lucidum
E)  stratum corneumF) C) and D)
G) All of the above

Question 11

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) A) and B)
G) A) and D)

Question 12

Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis.

Accepted Answer

A) True 
 B)False

Question 13

Calluses or corns are the result of accelerated multiplication of

Accepted Answer

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

Question 14

This image shows strata and cell types of the epidermis."2" represents a , whereas "4" represents a .

Accepted Answer

A)  dead keratinocyte; dendritic cell
B)  living keratinocyte; dead keratinocyte
C)  melanocyte; dendritic cell
D)  living keratinocyte; melanocyte
E)  melanocyte; living keratinocyteF) A) and C)
G) C) and D)

Question 15

Leather is mostly made of the layer of the dermis, which is very tough due to the high concentration of fibers.

Accepted Answer

A)  areolar; collagen
B)  areolar; keratin
C)  reticular; collagen
D)  reticular; keratin
E)  papillary; keratinF) C) and D)
G) A) and C)

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

This image shows the structure of a hair and its follicle.What does "1" represent?

Accepted Answer

A)  bulb
B)  root
C)  shaft
D)  medulla
E)  cuticleF) A) and C)
G) A) and E)

Question 18

Basal cell carcinoma initially affects cells of the stratum , whereas melanoma arises from .

Accepted Answer

A)  spinosum; keratinocytes
B)  spinosum; melanocytes
C)  basale; fibroblasts
D)  basale; melanocytes
E)  basale; keratinocytesF) B) and D)
G) A) and C)

Question 19

Hair and nails are composed of collagen.

Accepted Answer

A) True 
 B)False

Question 20

A hair cycle consists of three developmental stages in the following 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 catagen.F) A) and C)
G) None of the above

Exam 6: The Integumentary System

Melanin, hemoglobin, and carotene give color to the skin.

Correct AnswerverifiedShow Answer

The hypodermis usually has an abundance of this tissue.

Correct AnswerverifiedShow Answer

The three forms of skin cancer are defined by the types of cells from which they originate.

Correct AnswerverifiedShow Answer

The youngest keratinocytes are found in the stratum basale.

Correct AnswerverifiedTrue

The least common but most deadly type of skin cancer is

Correct AnswerverifiedShow Answer

Ethnic differences in skin color are primarily caused by differences in

Correct AnswerverifiedC

is/are formed partly from the secretions of glands in the external ear canal.

Correct AnswerverifiedB

The skin does not include

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The is absent from most epidermis.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis.

Correct AnswerverifiedShow Answer

Calluses or corns are the result of accelerated multiplication of

Correct AnswerverifiedShow Answer

This image shows strata and cell types of the epidermis."2" represents a , whereas "4" represents a .

Correct AnswerverifiedShow Answer

Leather is mostly made of the layer of the dermis, which is very tough due to the high concentration of fibers.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

This image shows the structure of a hair and its follicle.What does "1" represent?

Correct AnswerverifiedShow Answer

Basal cell carcinoma initially affects cells of the stratum , whereas melanoma arises from .

Correct AnswerverifiedShow Answer

Hair and nails are composed of collagen.

Correct AnswerverifiedShow Answer

A hair cycle consists of three developmental stages in the following order:

Correct AnswerverifiedShow Answer

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C

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B

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