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 deep cut that penetrates through the epidermis and into the dermis. Which layer is most likely to be affected first after the epidermis?

Accepted Answer

Papillary layer of the dermis

Question 3

Which layer of the epidermis is responsible for the generation of new skin cells?

Accepted Answer

Stratum basale

Question 4

A burn patient has lost the entire epidermis and part of the dermis. Which skin structure is most likely to be damaged, affecting hair growth?

Accepted Answer

Hair follicle

Question 5

Which of the following best describes the function of the papillary layer of the dermis?

Accepted Answer

Contains blood vessels that nourish the epidermis

Question 6

If a person has a genetic defect that prevents the formation of keratin, which layer of the epidermis would be most affected?

Accepted Answer

Stratum corneum

Question 7

Which structure is responsible for producing the nail?

Accepted Answer

Nail matrix

Question 8

A hair follicle is best described as:

Accepted Answer

A tube-like invagination of the epidermis into the dermis

Question 9

Which of the following laboratory safety rules is most directly related to preventing chemical burns to the skin?

Accepted Answer

Wear gloves and goggles when handling chemicals

Question 10

A patient has a wound that is slow to heal and is located in the epidermis. Which layer is primarily responsible for regeneration?

Accepted Answer

Stratum basale

Question 11

Which of the following is TRUE regarding the structure of a nail?

Accepted Answer

The nail matrix is responsible for nail growth

Question 12

If the stratum basale is damaged, which process will be most directly affected?

Accepted Answer

Regeneration of new epidermal cells

Question 13

Which layer of the skin contains most of the sensory receptors for touch?

Accepted Answer

Dermis

Question 14

A person accidentally cuts their finger and the wound bleeds. Which layer must have been penetrated?

Accepted Answer

Dermis

Question 15

Which of the following equations best represents the relationship between the surface area ($A$) and volume ($V$) of the skin, assuming the skin covers a cylindrical limb of radius $r$ and height $h$?

Accepted Answer

$V = \pi r^2 h$

Question 16

Which layer of the epidermis is only found in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 17

A person with a deficiency in collagen production will most likely have issues in which skin layer?

Accepted Answer

Dermis

Question 18

Which of the following best explains why the epidermis is avascular?

Accepted Answer

It receives nutrients via diffusion from the dermis

Question 19

Which structure is responsible for the sensation of pain in the skin?

Accepted Answer

Free nerve endings

Question 20

A patient presents with brittle nails and hair loss. Which part of the integumentary system is most likely malfunctioning?

Accepted Answer

Nail matrix and hair follicle

Integumentary System: Structure and Function

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