Question 1

Which of the following best describes the primary function of the acid mantle on the skin?

Accepted Answer

It creates a low pH environment that inhibits bacterial growth.

Question 2

A patient presents with a burn that is red, swollen, and painful, but does not have blisters. Which type of burn is most likely present?

Accepted Answer

First-degree burn

Question 3

Which of the following substances can penetrate the skin’s physical barrier most easily?

Accepted Answer

Lipid-soluble substances

Question 4

A patient has a skin lesion that is asymmetrical, has irregular borders, multiple colors, and a diameter larger than 6 mm. Which type of skin cancer is most likely?

Accepted Answer

Melanoma

Question 5

Which of the following is a life-threatening risk associated with severe burns?

Accepted Answer

Dehydration and electrolyte imbalance

Question 6

Which of the following best explains why third-degree burns are often not painful?

Accepted Answer

Nerve endings in the skin are destroyed.

Question 7

A patient has burns covering the anterior trunk and both anterior upper limbs. Using the Rule of Nines, what percentage of the body surface area is affected?

Accepted Answer

$$18\% + 4.5\% + 4.5\% = 27\%$$

Question 8

Which of the following is NOT a function of the skin?

Accepted Answer

Production of red blood cells

Question 9

Which skin cancer is most likely to metastasize and is highly resistant to chemotherapy?

Accepted Answer

Melanoma

Question 10

A patient with third-degree burns on the face, hands, and feet is at high risk for which of the following complications?

Accepted Answer

Renal shutdown and circulatory shock

Question 11

Which of the following best describes the role of dendritic cells in the epidermis?

Accepted Answer

They engulf foreign antigens and activate the immune response.

Question 12

A patient with a scaly, reddened papule on the scalp that has the potential to metastasize is most likely suffering from which type of skin cancer?

Accepted Answer

Squamous cell carcinoma

Question 13

Which of the following is a metabolic function of the skin?

Accepted Answer

Synthesis of vitamin D for calcium absorption

Question 14

A patient is exposed to a chemical that denatures proteins in the skin. What is the most immediate threat to life?

Accepted Answer

Dehydration and electrolyte imbalance

Question 15

Which of the following best explains why the skin is considered a blood reservoir?

Accepted Answer

It can hold up to 5% of the body’s total blood volume.

Question 16

A patient with burns on the entire right arm and anterior trunk has what percentage of body surface area affected, according to the Rule of Nines?

Accepted Answer

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

Question 17

Which of the following is a characteristic of basal cell carcinoma?

Accepted Answer

It arises from the stratum basale and rarely metastasizes.

Question 18

Which of the following best describes the process of insensible perspiration?

Accepted Answer

Unnoticeable sweat produced under normal resting conditions

Question 19

A patient with a burn that involves the entire thickness of the skin, appears gray-white, and is not painful is most likely experiencing which type of burn?

Accepted Answer

Third-degree burn

Question 20

Which of the following is a function of the skin’s physical barrier?

Accepted Answer

Blocking most water and water-soluble substances

The Integumentary System: Functions, Homeostasis, Skin Cancer, and Burns

Guida di studio - Domande di pratica

Study guide - Flashcard