Q: Which equation best represents the calculation for the surface area affected by burns using the Rule of Nines?

$$Total\ Surface\ Area = (\text{Percentage\ of\ body\ part\ affected}) \times (\text{Total\ body\ surface\ area})$$

Question 1

Sebaceous glands release which of the following substances, and sudoriferous glands release which of the following substances?

Accepted Answer

Sebum; Sweat

Question 2

Why are third-degree burns considered more dangerous than first- or second-degree burns?

Accepted Answer

They destroy the full thickness of the skin, increasing risk of dehydration and infection.

Question 3

Which of the following is NOT a characteristic of skin cancer according to the ABCDE rule?

Accepted Answer

Diameter less than 2 mm

Question 4

A patient presents with a rapidly growing, irregularly shaped, multicolored lesion. Which type of skin cancer is most likely and why is it considered dangerous?

Accepted Answer

Melanoma; it is aggressive and likely to metastasize.

Question 5

Which of the following is a common bacterial skin infection?

Accepted Answer

Impetigo

Question 6

Which of the following is a common fungal skin infection?

Accepted Answer

Ringworm

Question 7

A lesion is described as having asymmetry, irregular borders, multiple colors, a diameter greater than 6 mm, and evolving over time. Which skin cancer characteristic is being described by 'Evolving'?

Accepted Answer

The lesion changes in size, shape, or color over time.

Question 8

Which equation best represents the calculation for the surface area affected by burns using the Rule of Nines?

Accepted Answer

$$Total\ Surface\ Area = (	ext{Percentage\ of\ body\ part\ affected}) 	imes (	ext{Total\ body\ surface\ area})$$

Question 9

A patient with a third-degree burn over 18% of their body is at risk for which of the following complications?

Accepted Answer

Dehydration and infection due to loss of skin barrier.

Question 10

Which of the following best describes the function of sebaceous glands?

Accepted Answer

They secrete sebum to lubricate and waterproof the skin.

Question 11

A patient presents with a lesion that matches the ABCDE criteria for melanoma. What is the most appropriate next step?

Accepted Answer

Refer for biopsy and further oncological evaluation.

Question 12

Which of the following is the most aggressive type of skin cancer, known for its high likelihood of metastasis?

Accepted Answer

Melanoma

Question 13

Which of the following best describes the appearance of melanoma as seen in the provided image?

Accepted Answer

Irregular borders, multiple colors, and asymmetry

Question 14

Which of the following is NOT a risk factor for developing skin cancer?

Accepted Answer

Use of sunscreen

Question 15

Which of the following best explains why the skin is considered the body's first line of defense?

Accepted Answer

It acts as a physical barrier preventing entry of pathogens.

BIO 211: Skin Structure, Burns, and Cancer Study Guidance

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