Q: Which equation would you use to estimate the percentage of body surface area affected by burns in an adult patient?

$$A = \frac{TBSA_{burned}}{TBSA_{total}} \times 100$$ where $$TBSA is $$total body surface area

Question 1

Which layer of the skin is primarily responsible for producing melanin, and what is the main function of this pigment?

Accepted Answer

Epidermis; melanin protects DNA from UV radiation

Question 2

A patient presents with a burn that is red, painful, and only affects the outermost layer of skin. According to the Rule of Nines, which type of burn is this and which layer is involved?

Accepted Answer

First-degree burn; epidermis

Question 3

Which of the following correctly matches the skin gland with its secretion and primary function?

Accepted Answer

Apocrine gland; thick sweat; found in axillary/genital areas

Question 4

Which tissue type composes the dermis, and what is its main function?

Accepted Answer

Connective tissue; provides strength, elasticity, and houses blood vessels

Question 5

A patient has a suspicious skin lesion. Which of the following is NOT part of the ABCD rule for identifying melanoma?

Accepted Answer

Depth

Question 6

Which layer of the epidermis is responsible for cell division (mitosis)?

Accepted Answer

Stratum basale

Question 7

Which accessory structure of the skin is attached to the arrector pili muscle and what is its function?

Accepted Answer

Hair; protection, sensory, warmth

Question 8

Which of the following is a function of the skin that involves the synthesis of a vitamin essential for calcium absorption?

Accepted Answer

Metabolic function

Question 9

A patient with a third-degree burn will most likely experience which of the following symptoms?

Accepted Answer

Charred skin with no pain due to nerve loss

Question 10

Which pigment is derived from the diet and contributes to yellow/orange skin coloration?

Accepted Answer

Carotene

Question 11

During aging, which of the following changes occurs in the skin?

Accepted Answer

Thinner skin, fewer collagen/elastic fibers, wrinkles, dry skin

Question 12

Which layer of the skin is NOT considered a true part of the skin and is primarily composed of adipose tissue?

Accepted Answer

Hypodermis (subcutaneous layer)

Question 13

Which of the following is a function of the skin that helps regulate body temperature?

Accepted Answer

Blood flow control and sweat production

Question 14

Which type of skin cancer is the most common but least malignant?

Accepted Answer

Basal cell carcinoma

Question 15

Which layer of the dermis contains capillaries and sensory receptors?

Accepted Answer

Papillary layer

Question 16

A patient is experiencing excessive sweating in response to heat. Which gland is primarily responsible for this response?

Accepted Answer

Eccrine (merocrine) gland

Question 17

Which function of the skin is most directly related to the presence of tactile cells in the epidermis?

Accepted Answer

Sensation of touch

Question 18

If a patient has a blister, which layers of the skin are most likely affected?

Accepted Answer

Epidermis and upper dermis

Question 19

Which of the following best describes the role of cleavage lines in the dermis?

Accepted Answer

They are regions where the skin heals best if cut parallel to them

Question 20

Which equation would you use to estimate the percentage of body surface area affected by burns in an adult patient?

Accepted Answer

$$A = \frac{TBSA_{burned}}{TBSA_{total}} 	imes 100$$ where $$TBSA is $$total body surface area

The Integumentary System: Structure, Function, and Clinical Relevance

Guida di studio - Domande di pratica

Study guide - Flashcard