Question 1

Skin color is determined by the degree of oxygenation of the blood and the relative amounts of these two pigments.

Accepted Answer

A)  keratin and melanin
B)  melanin and carotene
C)  hemoglobin and melanin
D)  carotene and hemoglobinE) A) and B)
F) All of the above

Question 2

This accessory organ of the skin is composed primarily of dead, keratinized cells.

Accepted Answer

A)  eccrine gland
B)  hair
C)  apocrine gland
D)  sebaceous glandE) C) and D)
F) A) and B)

Question 3

What is not true about cutaneous glands, hair, and nails?

Accepted Answer

A)  They are accessory structures of the skin.
B)  They reside in the dermis.
C)  They are made up entirely of dead cells.
D)  They are derived from epithelial tissue.E) All of the above
F) A) and C)

Question 4

Which of the following pigments is not involved in determining skin color?

Accepted Answer

A)  red pigments in blood
B)  carotene from carrots and yellow vegetables
C)  white pigments in skin cells
D)  melanin produced by skin cellsE) C) and D)
F) B) and C) C

Question 5

From deep to superficial, the layers of the epidermis of thin skin are _________.

Accepted Answer

A)  stratum basale, stratum spinosum, stratum granulosum, stratum corneum
B)  stratum spinosum, stratum basale, stratum corneum, stratum granulosum
C)  stratum granulosum, stratum spinosum, stratum corneum, stratum basale
D)  stratum corneum, stratum granulosum, stratum spinosum, stratum basaleE) B) and C)
F) All of the above

Question 6

This region of the skin contains abundant elastic and collagen fibers.

Accepted Answer

A)  epidermis
B)  both epidermis and dermis
C)  dermisD) A) and B)
E) A) and C)

Question 7

These are the most abundant epidermal cells.

Accepted Answer

A)  dendritic cells
B)  tactile cells
C)  keratinocytes
D)  melanocytesE) C) and D)
F) All of the above

Question 8

Which of the following is not a function of the skin?

Accepted Answer

A)  synthesizing vitamin C
B)  preventing dehydration
C)  helping regulate temperature
D)  protectionE) A) and B)
F) A) and C)

Question 9

This region of the nail is responsible for nail growth.

Accepted Answer

A)  nail body
B)  nail bed
C)  nail root
D)  nail matrixE) All of the above
F) A) and D)

Question 10

This layer of the epidermis contains translucent cells filled with keratin fibrils. It is found only in thick skin.

Accepted Answer

A)  stratum lucidum
B)  stratum spinosum
C)  stratum corneum
D)  stratum granulosum
E)  stratum basaleF) C) and E)
G) A) and E)

Question 11

The cells in this layer of epidermis are dead, and their flat, scale- like remnants are filled with keratin.

Accepted Answer

A)  stratum spinosum
B)  stratum basale
C)  stratum corneum
D)  stratum granulosumE) All of the above
F) None of the above C

Question 12

What is true about both the epidermis and the dermis?

Accepted Answer

A)  They are highly vascular.
B)  Each consists, in part, of dead and dying cells.
C)  Papillae and ridges are present in each.
D)  Sensory receptors are present in each.E) None of the above
F) All of the above

Question 13

A freckle is a concentrated spot of this pigment.

Accepted Answer

A)  carotene
B)  melanin
C)  keratin
D)  cyanoE) A) and B)
F) C) and D)

Question 14

The hypodermis is __________

Accepted Answer

A)  composed primarily of adipose tissue
B)  part of the epidermis
C)  the third region of the skin
D)  part of the dermisE) A) and C)
F) All of the above A

Question 15

These glands are found all over the skin except in the palms of the hands and soles of the feet. They produce an oily substance that lubricates skin and hair.

Accepted Answer

A)  apocrine sweat glands
B)  sebaceous glands
C)  eccrine sweat glands
D)  endocrine glandsE) None of the above
F) All of the above

Question 16

Skin color can indicate certain disease states. A reddened, flushed face might indicate________ .

Accepted Answer

A)  hypertension, fever, or embarrassment
B)  poor oxygen levels in the blood due to lung disease
C)  liver disease
D)  Addison's diseaseE) A) and B)
F) A) and C)

Question 17

Name the substance that protects the DNA of rapidly dividing skin cells from the damage caused by ultraviolet rays from the sun.

Accepted Answer

A)  keratin
B)  hemoglobin
C)  melanin
D)  caroteneE) A) and D)
F) B) and C)

Question 18

Which of the statements below is true for both eccrine and apocrine glands?

Accepted Answer

A)  They are involved in temperature regulation.
B)  They produce sweat.
C)  They may have a pheromone- producing function.
D)  Their sweat contains water, salts, proteins, and fats.E) None of the above
F) B) and C)

Question 19

This layer of the dermis is responsible for fingerprints.

Accepted Answer

A)  papillary layer
B)  reticular layer
C)  areolar layer
D)  deep stratum basaleE) C) and D)
F) B) and D)

Question 20

Pressure receptors, called lamellar (Pacinian) corpuscles, are located in this layer of the integument.

Accepted Answer

A)  epidermal stratum spinosum
B)  epidermal stratum basale
C)  dermal papillary layer
D)  dermal reticular layerE) A) and B)
F) None of the above

Exam 7: The Integumentary System

Skin color is determined by the degree of oxygenation of the blood and the relative amounts of these two pigments.

Correct AnswerverifiedShow Answer

This accessory organ of the skin is composed primarily of dead, keratinized cells.

Correct AnswerverifiedShow Answer

What is not true about cutaneous glands, hair, and nails?

Correct AnswerverifiedShow Answer

Which of the following pigments is not involved in determining skin color?

Correct AnswerverifiedC

From deep to superficial, the layers of the epidermis of thin skin are _________.

Correct AnswerverifiedShow Answer

This region of the skin contains abundant elastic and collagen fibers.

Correct AnswerverifiedShow Answer

These are the most abundant epidermal cells.

Correct AnswerverifiedShow Answer

Which of the following is not a function of the skin?

Correct AnswerverifiedShow Answer

This region of the nail is responsible for nail growth.

Correct AnswerverifiedShow Answer

This layer of the epidermis contains translucent cells filled with keratin fibrils. It is found only in thick skin.

Correct AnswerverifiedShow Answer

The cells in this layer of epidermis are dead, and their flat, scale- like remnants are filled with keratin.

Correct AnswerverifiedC

What is true about both the epidermis and the dermis?

Correct AnswerverifiedShow Answer

A freckle is a concentrated spot of this pigment.

Correct AnswerverifiedShow Answer

The hypodermis is __________

Correct AnswerverifiedA

These glands are found all over the skin except in the palms of the hands and soles of the feet. They produce an oily substance that lubricates skin and hair.

Correct AnswerverifiedShow Answer

Skin color can indicate certain disease states. A reddened, flushed face might indicate________ .

Correct AnswerverifiedShow Answer

Name the substance that protects the DNA of rapidly dividing skin cells from the damage caused by ultraviolet rays from the sun.

Correct AnswerverifiedShow Answer

Which of the statements below is true for both eccrine and apocrine glands?

Correct AnswerverifiedShow Answer

This layer of the dermis is responsible for fingerprints.

Correct AnswerverifiedShow Answer

Pressure receptors, called lamellar (Pacinian) corpuscles, are located in this layer of the integument.

Correct AnswerverifiedShow Answer

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A

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