Question 1

Which of the following best describes the function of melanocytes in the epidermis?

Accepted Answer

They produce melanin to absorb ultraviolet (UV) light.

Question 2

A patient presents with a deep laceration that exposes yellowish tissue beneath the skin. Which layer has been penetrated?

Accepted Answer

Subcutaneous tissue

Question 3

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

Accepted Answer

Regulation of blood glucose

Question 4

A patient with a genetic disorder has normal numbers of melanocytes but produces little or no melanin. What is the most likely diagnosis?

Accepted Answer

Albinism

Question 5

Which of the following best describes the process of thermoregulation by the skin?

Accepted Answer

Sudoriferous glands secrete sweat, which evaporates and cools the body.

Question 6

A patient has a burn that causes the epidermis to separate from the dermis, resulting in a fluid-filled blister. What type of burn is this?

Accepted Answer

Partial-thickness (second-degree) burn

Question 7

Which of the following skin lesions is described as an elevated, solid bump that is skin-colored or erythematous and is commonly seen in acne?

Accepted Answer

Papule

Question 8

A patient with shingles presents with a band of vesicles along one side of the torso. This pattern follows which anatomical structure?

Accepted Answer

Dermatome

Question 9

Which of the following best explains why dark-skinned individuals may require more sun exposure to synthesize adequate vitamin D?

Accepted Answer

Their skin produces more melanin, which absorbs more UV light.

Question 10

A patient presents with a red, raised lesion with a white top filled with pus. What is the correct term for this lesion?

Accepted Answer

Pustule

Question 11

Which of the following is the correct breakdown of the term 'piloerection'?

Accepted Answer

pil/o- = hair, -ion = action or condition, erect/o- = stand up

Question 12

A patient with a history of prolonged immobility develops a wound on the scalp due to continuous pressure. What is the most likely diagnosis?

Accepted Answer

Pressure injury (decubitus ulcer)

Question 13

Which of the following best describes the role of the subcutaneous tissue?

Accepted Answer

It contains adipose tissue that cushions and insulates the body.

Question 14

A punch biopsy is performed to diagnose a suspicious skin lesion. Which layers of the skin are typically included in the sample?

Accepted Answer

Epidermis, dermis, and subcutaneous tissue

Question 15

Which of the following is a correct application of the Rule of Nines for estimating burn surface area in an adult?

Accepted Answer

The head represents 9% of the total body surface area.

Question 16

A patient presents with a chronic, autoimmune skin disorder characterized by red, scaly plaques on the elbows and knees. What is the most likely diagnosis?

Accepted Answer

Psoriasis

Question 17

Which of the following best describes the difference between a vesicle and a pustule?

Accepted Answer

A vesicle contains clear fluid, while a pustule contains pus.

Question 18

A patient with acne vulgaris is experiencing increased activity of which type of gland?

Accepted Answer

Sebaceous gland

Question 19

Which of the following best explains why the epidermis does not bleed when injured?

Accepted Answer

It contains no blood vessels.

Question 20

A patient is diagnosed with onychomycosis. Which structure is primarily affected?

Accepted Answer

Nail

Chapter 3: Dermatology and the Integumentary System – Medical Terminology Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards