Question 1

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Production of red blood cells

Question 2

A patient presents with a burn that destroys the entire epidermis and part of the dermis. Which of the following best describes the type of burn?

Accepted Answer

Second-degree burn

Question 3

Which cell type in the epidermis is primarily responsible for producing the pigment that protects against UV radiation?

Accepted Answer

Melanocyte

Question 4

A person with a genetic defect that prevents the production of keratin would most likely experience which of the following symptoms?

Accepted Answer

Increased risk of infection due to loss of physical barrier

Question 5

Which layer of the epidermis is responsible for the continuous regeneration of skin cells?

Accepted Answer

Stratum basale

Question 6

Which of the following best explains why the palms and soles appear more yellowish in some individuals?

Accepted Answer

High concentration of carotene

Question 7

A patient with a deficiency in Meissner’s corpuscles would most likely have difficulty with which function?

Accepted Answer

Detecting fine touch

Question 8

Which of the following glands is most responsible for thermoregulation during exercise?

Accepted Answer

Eccrine sweat gland

Question 9

A mutation that causes the loss of collagen fibers in the dermis would most likely result in which of the following?

Accepted Answer

Reduced skin elasticity and increased wrinkling

Question 10

Which of the following best describes the secretion method of sebaceous glands?

Accepted Answer

Holocrine (cell rupture)

Question 11

A patient with male pattern baldness is experiencing a homeostatic imbalance of which skin appendage?

Accepted Answer

Hair

Question 12

Which pigment is primarily responsible for the pinkish hue of fair skin?

Accepted Answer

Hemoglobin

Question 13

Which of the following structures is found in the papillary layer of the dermis and is responsible for detecting light touch?

Accepted Answer

Meissner’s corpuscle

Question 14

A person with a blocked sebaceous gland is most likely to develop which of the following?

Accepted Answer

Acne

Question 15

Which of the following best describes the main function of the hypodermis?

Accepted Answer

Insulation and energy storage

Question 16

Which of the following is a correct sequence of layers in the epidermis from deepest to most superficial in thick skin?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 17

Which of the following appendages is a scale-like modification of the epidermis and is found on the distal, dorsal surface of fingers and toes?

Accepted Answer

Nail

Question 18

A patient with a genetic disorder affecting the function of Langerhans’ cells would most likely have which of the following symptoms?

Accepted Answer

Impaired immune response in the skin

Question 19

Which of the following best explains why a person’s skin may appear blue (cyanosis) during a severe asthma attack?

Accepted Answer

Decreased oxygenation of hemoglobin

Question 20

Which of the following is a function of the arrector pili muscle?

Accepted Answer

Contracting to cause hair to stand upright

The Integumentary System: Structure, Function, and Appendages

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