Question 1

Which layer of the skin is primarily responsible for synthesizing vitamin D when exposed to ultraviolet (UV) radiation?

Accepted Answer

Epidermis

Question 2

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

Accepted Answer

Second-degree burn

Question 3

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

Accepted Answer

Melanocytes

Question 4

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

Accepted Answer

Stratum lucidum

Question 5

A patient with liver disease develops a yellowish appearance of the skin and whites of the eyes. What is the most likely cause?

Accepted Answer

Jaundice due to bilirubin buildup

Question 6

Which of the following is a function of the hypodermis (subcutaneous tissue)?

Accepted Answer

Stores energy and insulates the body

Question 7

Which gland type is responsible for producing an oily substance that softens and lubricates hair and skin?

Accepted Answer

Sebaceous gland

Question 8

Fingerprints are formed by which structure in the skin?

Accepted Answer

Dermal papillae

Question 9

Which pigment is responsible for the brown to black coloration of skin and provides protection from UV radiation?

Accepted Answer

Eumelanin

Question 10

A patient presents with pale skin due to shock or anemia. What is the term for this condition?

Accepted Answer

Pallor

Question 11

Which layer of the epidermis contains actively dividing cells and is attached to the underlying dermis?

Accepted Answer

Stratum basale

Question 12

Which type of sweat gland is most numerous and plays a major role in thermoregulation?

Accepted Answer

Eccrine gland

Question 13

Which cell type in the epidermis acts as part of the immune system and is macrophage-like?

Accepted Answer

Dendritic cells

Question 14

Which of the following best describes the tissue type of the epidermis?

Accepted Answer

Keratinized stratified squamous epithelium

Question 15

A patient with a genetic inability to produce tyrosinase will most likely have which condition?

Accepted Answer

Albinism

Question 16

Which layer of the dermis is responsible for increasing the surface area for exchange of gases, nutrients, and wastes?

Accepted Answer

Papillary dermis

Question 17

Which of the following is TRUE regarding third-degree burns?

Accepted Answer

They consume the full thickness of the skin

Question 18

Which type of membrane lines body cavities that are open to the exterior, such as the digestive and respiratory tracts?

Accepted Answer

Mucous membrane

Question 19

During tissue repair, which process involves the replacement of destroyed tissue with scar tissue?

Accepted Answer

Fibrosis

Question 20

If a patient has a wound that heals primarily by regeneration, which tissue type is most likely involved?

Accepted Answer

Epithelial tissue

Chapter 4: Integumentary System – Structure and Function of the Skin

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