Question 1

Which of the following structures is primarily responsible for producing the oily substance that lubricates the skin and hair?

Accepted Answer

Sebaceous (oil) gland

Question 2

A patient presents with a loss of sensation to deep pressure in a localized area of skin. Which structure is most likely damaged?

Accepted Answer

Pacinian corpuscle

Question 3

Which layer of the skin contains the majority of adipose tissue?

Accepted Answer

Hypodermis

Question 4

During a cold environment, which structure contracts to cause 'goosebumps'?

Accepted Answer

Arrector pili muscle

Question 5

If a burn destroys the entire epidermis and dermis but leaves the hypodermis intact, which of the following structures is most likely to remain undamaged?

Accepted Answer

Adipose tissue

Question 6

Which of the following best describes the function of the eccrine sweat gland?

Accepted Answer

Produces sweat for thermoregulation

Question 7

A patient has a condition that prevents the formation of the cutaneous vascular plexus. Which physiological process would be most directly affected?

Accepted Answer

Thermoregulation via blood flow

Question 8

Which of the following correctly matches the structure with its primary function?

Accepted Answer

Hair follicle receptor – detects hair movement

Question 9

If the sensory nerve fibers in the skin are damaged, which of the following symptoms is most likely to occur?

Accepted Answer

Loss of sensation

Question 10

Which layer of the skin is avascular and relies on diffusion from underlying tissues for nutrient supply?

Accepted Answer

Epidermis

Question 11

A person with a genetic defect in their sebaceous glands would most likely experience which of the following?

Accepted Answer

Dry, brittle hair and skin

Question 12

Which of the following best explains why the hypodermis is important for energy storage?

Accepted Answer

It is composed mainly of adipose tissue

Question 13

A patient is unable to sweat in response to heat. Which structure is most likely malfunctioning?

Accepted Answer

Eccrine sweat gland

Question 14

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

Accepted Answer

Epidermis, dermis, hypodermis

Question 15

If a person receives a subcutaneous injection, into which layer is the medication delivered?

Accepted Answer

Hypodermis

Question 16

Which structure is most directly involved in the detection of vibration?

Accepted Answer

Pacinian corpuscle

Question 17

A patient with a blocked pore of a sweat gland duct is most likely to experience which of the following?

Accepted Answer

Decreased ability to cool the body

Question 18

Which of the following equations best represents the relationship between heat loss ($$Q$$), sweat evaporation rate ($$E$$), and latent heat of vaporization ($$L) in $$the skin?

Accepted Answer

$$Q = E 	imes L$$

Question 19

If the arrector pili muscle is stimulated, which of the following physiological responses occurs?

Accepted Answer

Hair stands upright, causing 'goosebumps'

Question 20

Which of the following best describes the role of the cutaneous vascular plexus in the skin?

Accepted Answer

Supplies blood to the dermis and plays a role in thermoregulation

Structure and Function of Human Skin: Anatomy of the Integumentary System

Guida di studio - Domande di pratica

Study guide - Flashcard