Question 1

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

Accepted Answer

Blood cell formation

Question 2

Which cell type in the epidermis is primarily responsible for producing the pigment that determines skin color?

Accepted Answer

Melanocytes

Question 3

A patient presents with a burn that is red, swollen, and painful, but only affects the epidermis. What degree of burn is this?

Accepted Answer

First-degree burn

Question 4

Which layer of the epidermis contains stem cells, melanocytes, and Merkel cells?

Accepted Answer

Stratum basale

Question 5

What is the main function of the arrector pili muscle?

Accepted Answer

Contracts to produce goosebumps

Question 6

Which pigment is responsible for the yellow-orange coloration of the skin?

Accepted Answer

Carotene

Question 7

Which of the following best describes the difference between eccrine and apocrine sweat glands?

Accepted Answer

Eccrine glands produce true sweat for temperature regulation, while apocrine glands produce a thicker secretion that may attract mates.

Question 8

A person has straight hair. What is the most likely shape of their hair shaft cross-section?

Accepted Answer

Round

Question 9

Which layer of the skin is primarily responsible for heat insulation and fat storage?

Accepted Answer

Hypodermis

Question 10

A patient has burns covering the entire anterior and posterior surfaces of both legs. Using the rule of nines, what percentage of the body is affected?

Accepted Answer

$$36\%$$

Question 11

Which of the following is a modification found in the dermis that helps increase surface area for exchange of gases, nutrients, and waste products?

Accepted Answer

Dermal papillae

Question 12

Which type of skin cancer arises from melanocytes and is known for its high malignancy?

Accepted Answer

Melanoma

Question 13

Which of the following is TRUE regarding the growth of nails?

Accepted Answer

Nails grow from the nail matrix located under the root

Question 14

Which of the following cell types in the epidermis is responsible for immune response?

Accepted Answer

Dendritic cells

Question 15

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

Accepted Answer

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

Question 16

Which gland is responsible for producing sebum and is most commonly associated with hair follicles?

Accepted Answer

Sebaceous gland

Question 17

A patient presents with a blistering burn that affects both the epidermis and the upper part of the dermis. What type of burn is this?

Accepted Answer

Second-degree burn

Question 18

Which of the following is a function of sebum produced by sebaceous glands?

Accepted Answer

Lubricates hair and skin

Question 19

Which type of hair is fine, unpigmented, and found on the bodies of women and children?

Accepted Answer

Vellus hair

Question 20

Which of the following is TRUE regarding the hypodermis?

Accepted Answer

It is made of areolar and adipose connective tissue and provides insulation

The Integumentary System: Structure, Function, and Clinical Relevance

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