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 flushed, red face after exercising on a hot day. Which physiological process is primarily responsible for this appearance?

Accepted Answer

Vasodilation of blood vessels

Question 3

Which feedback mechanism is responsible for thermoregulation via vasoconstriction and vasodilation?

Accepted Answer

Negative feedback loop

Question 4

Which of the following best describes the cutaneous membrane (skin)?

Accepted Answer

Epidermis and dermis

Question 5

Which cell type in the epidermis is primarily responsible for producing keratin?

Accepted Answer

Keratinocytes

Question 6

A patient with a genetic disorder cannot produce keratin in their epidermal cells. Which symptom are they most likely to experience?

Accepted Answer

Their skin will tear easily upon exposure to mechanical stress.

Question 7

Which of the following layers of the epidermis is responsible for generating new epidermal cells?

Accepted Answer

Stratum basale

Question 8

Which of the following is TRUE about thick skin?

Accepted Answer

Stratum lucidum is only found in thick skin.

Question 9

Why do the cells in the more superficial layers of the epidermis die?

Accepted Answer

They are far away from any blood supply, causing a lack of nutrients.

Question 10

Which part of the integument is responsible for providing strength and flexibility?

Accepted Answer

Reticular layer

Question 11

Which of the following best explains why elderly people are more sensitive to the cold?

Accepted Answer

They are more sensitive to the cold due to a thinner hypodermis.

Question 12

Which of the following is a function of the hypodermis?

Accepted Answer

All of the above

Question 13

Which cell type in the epidermis is responsible for immune defense by initiating immune responses?

Accepted Answer

Dendritic cells

Question 14

Which of the following is a direct result of vasoconstriction in the dermal blood vessels?

Accepted Answer

Decreased blood flow to the skin

Question 15

Which of the following best describes the order of epidermal layers a pathogen must penetrate to enter the body through the palm of the hand?

Accepted Answer

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

Question 16

Which of the following is a characteristic of the papillary layer of the dermis?

Accepted Answer

Contains dermal papillae that form fingerprints

Question 17

Which of the following best describes the main tissue type found in the hypodermis?

Accepted Answer

Adipose tissue

Question 18

Which of the following is TRUE regarding the stratum granulosum?

Accepted Answer

Keratinocytes begin to harden and die in this layer.

Question 19

Which of the following is a reason why the body stores excess fat in the hypodermis?

Accepted Answer

All of the above.

Question 20

Which of the following best explains why the stratum corneum is important for the skin’s barrier function?

Accepted Answer

It is composed of dead, keratin-filled cells with water-resistant glycolipid membranes.

The Integumentary System: Structure and Function

Study Guide - Practice Questions