Question 1

Which two basic tissues compose the skin, and what are their primary functions?

Accepted Answer

Dense irregular connective tissue for the dermis and stratified squamous epithelium for the epidermis; providing strength and protection.

Question 2

Which protein is responsible for the water-repellent property of the epidermis?

Accepted Answer

Keratin

Question 3

A localized concentration of melanin in the skin is known as:

Accepted Answer

A freckle

Question 4

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

Accepted Answer

Synthesis of vitamin D

Question 5

Which epidermal layer is responsible for rapid cell division?

Accepted Answer

Stratum basale

Question 6

Which dermal layer is responsible for fingerprints?

Accepted Answer

Papillary layer

Question 7

Which cell type in the epidermis is primarily responsible for immune defense?

Accepted Answer

Langerhans (dendritic) cells

Question 8

Which structure is present in thick skin but absent in thin skin?

Accepted Answer

Stratum lucidum

Question 9

Which glands are responsible for producing an oily substance that can accumulate as blackheads?

Accepted Answer

Sebaceous glands

Question 10

A patient presents with cyanosis. What does this indicate about their blood oxygen levels?

Accepted Answer

They have decreased blood oxygen levels.

Question 11

Which vitamin is synthesized in the skin and is essential for calcium absorption?

Accepted Answer

Vitamin D

Question 12

Which of the following is a mechanism by which the integumentary system helps regulate body temperature?

Accepted Answer

Dilation of dermal blood vessels

Question 13

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

Accepted Answer

Eccrine sweat gland

Question 14

Which structure is formed from both epithelial and connective tissues and surrounds the hair root?

Accepted Answer

Hair follicle

Question 15

Which of the following best describes a bedsore (decubitus ulcer)?

Accepted Answer

An area of skin necrosis due to prolonged pressure and reduced blood flow

Question 16

Which of the following is NOT a common fingerprint pattern?

Accepted Answer

Spiral

Question 17

Which organ system controls the activity of the eccrine sweat glands?

Accepted Answer

Nervous system

Question 18

Which of the following best explains why fingerprints can be used to identify individuals?

Accepted Answer

Fingerprints are unique to each individual and remain unchanged throughout life.

Question 19

Which of the following is a specialized touch receptor found in the epidermis?

Accepted Answer

Merkel cell

Question 20

Which cell-to-cell structures hold the cells of the stratum spinosum tightly together?

Accepted Answer

Desmosomes

Guided Study: The Integumentary System (ANP College Level)

Study Guide - Practice Questions