Question 1

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

Accepted Answer

Blood cell formation

Question 2

Which cell type in the epidermis is primarily responsible for producing the pigment that determines skin color?

Accepted Answer

Melanocytes

Question 3

In which layer of the epidermis do stem cells divide most rapidly?

Accepted Answer

Stratum basale

Question 4

Which layer of the epidermis is only found in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 5

Which of the following best describes the function of the arrector pili muscle?

Accepted Answer

Contracts to cause goosebumps

Question 6

A patient presents with burns that involve the entire epidermis and dermis, appearing white, red, or black. Which degree of burn is this?

Accepted Answer

3rd degree

Question 7

Which pigment is responsible for the pinkish hue of Caucasian skin due to its presence in blood?

Accepted Answer

Hemoglobin

Question 8

Which of the following is TRUE regarding the hypodermis?

Accepted Answer

It stores fat and provides heat insulation

Question 9

Which type of sweat gland is most numerous and is responsible for producing 'true sweat'?

Accepted Answer

Eccrine (merocrine) gland

Question 10

A man suffers burns to his entire left leg and left arm. Using the rule of nines, what percentage of his body is burned?

Accepted Answer

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

Question 11

Which layer of the epidermis contains keratohyalin granules and lamellated granules that help prevent water loss?

Accepted Answer

Stratum granulosum

Question 12

Which cell type in the epidermis is responsible for immune response?

Accepted Answer

Dendritic cells

Question 13

Which of the following best explains why hair appears straight or curly?

Accepted Answer

The shape of the hair cross-section

Question 14

Which of the following is a modification of the dermis that helps increase grip and tactile sensitivity?

Accepted Answer

Dermal papillae

Question 15

Which type of skin cancer arises from melanocytes and is the most dangerous?

Accepted Answer

Melanoma

Question 16

Which of the following is TRUE about sebaceous glands?

Accepted Answer

They are activated by androgens

Question 17

Which layer of the hair contains stem cells responsible for hair growth?

Accepted Answer

Matrix in the hair bulb

Question 18

A patient presents with a blister after touching a hot pan. Which degree of burn is most likely?

Accepted Answer

2nd degree

Question 19

Which of the following is a correct description of terminal hair?

Accepted Answer

Thick, coarse hair found on the scalp and after puberty in men

Question 20

Which of the following is a sign used to screen for melanoma?

Accepted Answer

Evolving shape, color, or size

The Integumentary System: Structure, Function, and Clinical Relevance

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