Q: Which equation best represents the percentage of body surface area affected by burns using the rule of nines?

$$\text{Total Burn Area} = 9\% \times \text{Number of Areas Involved} + 1\% \text{(perineum)}$$

Question 1

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

Accepted Answer

Producing red blood cells

Question 2

A patient presents with yellowing of the skin and eyes. Which pigment and underlying condition is most likely responsible?

Accepted Answer

Bilirubin; liver disorder

Question 3

Which layer of the epidermis is responsible for the generation of new skin cells through mitosis?

Accepted Answer

Stratum basale

Question 4

Which type of gland is responsible for producing acidic sweat that aids in body temperature regulation?

Accepted Answer

Eccrine gland

Question 5

A burn patient has damage extending into the muscle and bone, with a dry, leathery appearance. What type of burn is this?

Accepted Answer

Fourth-degree burn

Question 6

Which structure anchors the skin to underlying organs and serves as a shock absorber?

Accepted Answer

Subcutaneous tissue (hypodermis)

Question 7

Which of the following best describes the function of the acid mantle created by skin secretions?

Accepted Answer

It inhibits bacterial growth on the skin.

Question 8

A patient presents with scaly, reddened papules that gradually form shallow ulcers and has a history of excessive sun exposure. Which skin cancer is most likely?

Accepted Answer

Squamous cell carcinoma

Question 9

Which layer of the dermis contains capillary loops and is responsible for fingerprints?

Accepted Answer

Papillary layer

Question 10

Which cells in the epidermis are responsible for alerting the immune system to bacterial or viral invasion?

Accepted Answer

Epidermal dendritic cells

Question 11

A person with a genetic defect in keratin production would most likely have which of the following symptoms?

Accepted Answer

Fragile skin prone to injury

Question 12

Which appendage of the skin is responsible for making hair stand upright when a person is cold or frightened?

Accepted Answer

Arrector pili muscle

Question 13

Which pigment is responsible for the orange-yellow coloration in some individuals' skin?

Accepted Answer

Carotene

Question 14

Which of the following is TRUE regarding the stratum lucidum?

Accepted Answer

It occurs only in thick, hairless skin of the palms and soles.

Question 15

A patient with a cluster of boils caused by bacterial infection is diagnosed with:

Accepted Answer

Carbuncles

Question 16

Which of the following best explains why the skin is considered a mini-excretory organ?

Accepted Answer

It excretes urea, salts, and water through sweat.

Question 17

Which of the following is the correct order of the layers of the epidermis from deepest to most superficial?

Accepted Answer

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

Question 18

Which equation best represents the percentage of body surface area affected by burns using the rule of nines?

Accepted Answer

$$	ext{Total Burn Area} = 9\% 	imes 	ext{Number of Areas Involved} + 1\% 	ext{(perineum)}$$

Question 19

Which of the following is a correct statement about malignant melanoma?

Accepted Answer

It is cancer of melanocytes and metastasizes rapidly.

Question 20

A patient presents with pink, fluid-filled raised lesions around the mouth and nose. Which condition is most likely?

Accepted Answer

Impetigo

Integumentary System: Structure, Function, and Clinical Considerations

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