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 exposing yellow tissue beneath the skin. Which layer has been penetrated?

Accepted Answer

The dermis and subcutaneous tissue

Question 3

Which of the following is a correct pairing of a skin lesion and its description?

Accepted Answer

Vesicle – elevated with a pointed top, contains clear fluid

Question 4

A person with a genetic disorder produces no melanin but has a normal number of melanocytes. What is the most likely diagnosis?

Accepted Answer

Albinism

Question 5

Which of the following best explains why sweat becomes odorous?

Accepted Answer

Sweat is odorless until it contacts bacteria on the skin.

Question 6

A patient with a burn covering the entire front of one leg and the anterior abdomen would have what percentage of body surface area burned, according to the Rule of Nines?

Accepted Answer

$$18\% + 9\% = 27\%$$

Question 7

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

Accepted Answer

Production of red blood cells

Question 8

A patient presents with a red, raised lesion with a broad, flat top and a pale center after an insect bite. What is the most likely type of lesion?

Accepted Answer

Wheal

Question 9

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

Accepted Answer

Sudoriferous glands produce sweat to cool the body, and dermal blood vessels dilate to release heat.

Question 10

A punch biopsy removes a core of tissue for examination. Which layers can this procedure include?

Accepted Answer

Epidermis, dermis, and subcutaneous tissue

Question 11

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

Accepted Answer

It cushions, insulates, and stores fat.

Question 12

A patient with a progressive autoimmune disorder develops irregular, expanding areas of depigmentation. What is the most likely diagnosis?

Accepted Answer

Vitiligo

Question 13

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

Accepted Answer

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

Question 14

A patient with a fungal infection of the scalp presents with round, itchy lesions and hair loss. What is the medical term for this condition?

Accepted Answer

Tinea capitis

Question 15

Which of the following best describes the process of homeostasis as it relates to the integumentary system?

Accepted Answer

The skin maintains internal balance by regulating temperature and signaling other medical conditions.

Question 16

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

Accepted Answer

Sebaceous gland

Question 17

Which of the following is true regarding the epidermis?

Accepted Answer

It relies on the dermis for nutrient supply.

Question 18

A patient presents with a large, raised scar that extends beyond the original injury site. What is this called?

Accepted Answer

Keloid

Question 19

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

Accepted Answer

It contains connective tissue, blood vessels, nerves, and glands.

Question 20

A patient with a pressure injury on the scalp most likely developed this condition due to which of the following?

Accepted Answer

Continuous pressure reducing blood flow to the area

Integumentary System and Dermatology: Medical Terminology Study Guide

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