Question 1

Which of the following best describes the primary function of the cutaneous membrane within the integumentary system?

Accepted Answer

Protection of underlying tissues and organs

Question 2

Which layer of the skin is primarily responsible for storing adipose tissue and providing insulation?

Accepted Answer

Hypodermis (Subcutaneous Layer)

Question 3

A patient presents with yellowing of the skin and sclera. Which pigment buildup is most likely responsible for this condition?

Accepted Answer

Bilirubin

Question 4

Which of the following statements about melanin is correct?

Accepted Answer

It is stored in transport vesicles called melanosomes.

Question 5

A deep cut made perpendicular to the cleavage (tension) lines in the dermis is more likely to:

Accepted Answer

Pull open and result in a noticeable scar

Question 6

Which accessory structure of the skin is responsible for producing 'goose bumps'?

Accepted Answer

Arrector pili muscle

Question 7

Which pigment is responsible for the orange-yellow coloration in the skin, especially after consuming large amounts of carrots?

Accepted Answer

Carotene

Question 8

A patient with vitiligo experiences loss of skin color due to:

Accepted Answer

Loss of melanocytes

Question 9

Which of the following glands is responsible for producing earwax that protects the eardrum?

Accepted Answer

Ceruminous gland

Question 10

Which layer of the cutaneous membrane contains the papillary and reticular layers?

Accepted Answer

Dermis

Question 11

A patient suffers a burn covering the entire anterior trunk and both upper limbs. Using the adult rule of nines, what percentage of total body surface area (TBSA) is affected?

Accepted Answer

$$36\% + 9\% + 9\% = 54\%$$

Question 12

Which of the following is NOT a function of hair on the human body?

Accepted Answer

Synthesizes vitamin D

Question 13

Which structure is responsible for lubricating hair and controlling bacteria on the skin?

Accepted Answer

Sebaceous gland

Question 14

Which of the following best describes the nail lunula?

Accepted Answer

The pale crescent at the base of the nail

Question 15

Which of the following is a correct sequence of layers from superficial to deep in the hair shaft?

Accepted Answer

Cuticle, cortex, medulla

Question 16

A patient with cyanosis will most likely present with which of the following skin color changes?

Accepted Answer

Bluish discoloration

Question 17

Which of the following is TRUE regarding the production of hair?

Accepted Answer

It begins at the base of the hair follicle in the dermis

Question 18

Which type of sweat gland is primarily responsible for watery secretions that help regulate body temperature?

Accepted Answer

Merocrine (eccrine) gland

Question 19

Stretch marks (striae) are most likely to occur due to:

Accepted Answer

Excessive stretching of the skin during pregnancy or weight gain

Question 20

A patient with albinism will most likely have which of the following characteristics?

Accepted Answer

Complete lack of melanin production throughout the body

Integumentary System: Structure, Function, and Skin Color

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