Question 1

Which layer of the skin is primarily responsible for anchoring the skin to underlying structures and acts as a shock absorber?

Accepted Answer

Hypodermis

Question 2

Which cell type in the epidermis is responsible for producing melanin and is located in the stratum basale?

Accepted Answer

Melanocytes

Question 3

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

Accepted Answer

Production of red blood cells

Question 4

A patient presents with a wound that has penetrated through the epidermis and into the papillary layer of the dermis. Which type of connective tissue is primarily found in the papillary layer?

Accepted Answer

Areolar connective tissue

Question 5

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

Accepted Answer

Stratum lucidum

Question 6

Which type of sweat gland is most numerous and plays a key role in thermoregulation?

Accepted Answer

Eccrine (merocrine) sweat gland

Question 7

A person with a genetic mutation affecting keratin production would most likely have abnormalities in which layer of the epidermis?

Accepted Answer

Stratum granulosum

Question 8

Which pigment is responsible for the yellow-orange coloration of the skin?

Accepted Answer

Carotene

Question 9

Which structure of the nail is responsible for nail growth?

Accepted Answer

Nail matrix

Question 10

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

Accepted Answer

Waterproofing and immune defense

Question 11

A patient with male pattern baldness is experiencing hair loss primarily from which region of the scalp?

Accepted Answer

Crown of the scalp

Question 12

Which layer of the epidermis contains stem cells that continuously divide to produce new keratinocytes?

Accepted Answer

Stratum basale

Question 13

Which type of hair is thin, nonpigmented, and typically found on a fetus during the third trimester?

Accepted Answer

Lanugo

Question 14

Which of the following is a function of the reticular layer of the dermis?

Accepted Answer

Provides strength and elasticity due to collagen bundles

Question 15

Which of the following best explains why thick skin does not contain hair follicles or sebaceous glands?

Accepted Answer

It is only found in areas with high friction and requires more sweat glands

Question 16

Which structure in the skin is responsible for detecting deep pressure and vibration?

Accepted Answer

Pacinian corpuscle

Question 17

If a person has a deficiency in vitamin D synthesis due to lack of sunlight, which function of the integumentary system is most directly affected?

Accepted Answer

Calcium absorption in the intestines

Question 18

Which layer of the skin contains blood vessels, nerves, and most of the skin's accessory structures?

Accepted Answer

Dermis

Question 19

Which of the following is the correct order of the layers of the epidermis from superficial to deep in thin skin?

Accepted Answer

Stratum corneum, stratum granulosum, stratum spinosum, stratum basale

Question 20

A patient presents with pale, fine hair on their upper and lower limbs. Which type of hair is this most likely to be?

Accepted Answer

Vellus hair

The Integumentary System: Structure and Function

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