Question 1

Which of the following best describes the tissue type that makes up the epidermis of the skin?

Accepted Answer

Keratinized stratified squamous epithelium

Question 2

Which layer of the skin is vascularized and provides nutrients to the avascular layer above it?

Accepted Answer

Dermis

Question 3

A surgeon is planning an incision. Why would they prefer to cut parallel to cleavage (tension) lines in the skin?

Accepted Answer

Incisions parallel to cleavage lines heal more readily and produce less scarring.

Question 4

Which pigment provides a natural sunscreen and is produced by melanocytes?

Accepted Answer

Melanin

Question 5

A patient presents with yellowing of the skin and sclerae. What is the most likely cause of this clinical sign?

Accepted Answer

Jaundice due to liver dysfunction

Question 6

Which of the following is a function of the arrector pili muscle in humans?

Accepted Answer

Causes hair to stand upright, producing 'goose bumps' in response to cold or fear

Question 7

Which of the following best describes the order of epidermal layers in thin skin, from superficial to deep?

Accepted Answer

Stratum corneum, stratum granulosum, stratum spinosum, stratum basale

Question 8

Which type of gland is most responsible for thermoregulation through secretion of a hypotonic filtrate of blood?

Accepted Answer

Eccrine sweat gland

Question 9

A patient has a second-degree burn that covers the entire anterior and posterior lower limb. Using the rule of nines, what percentage of the body surface area is affected?

Accepted Answer

$$18\%$$

Question 10

Which of the following is the leading cause of death in burn patients?

Accepted Answer

Infection

Question 11

Which of the following cutaneous receptors is most sensitive to deep pressure and vibration?

Accepted Answer

Lamellar (Pacinian) corpuscles

Question 12

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

Accepted Answer

Production of red blood cells

Question 13

Which of the following best describes the function of the hair follicle receptor (root hair plexus)?

Accepted Answer

Detects hair movement and light touch

Question 14

Which pigment is most responsible for the skin color of light-skinned individuals?

Accepted Answer

Hemoglobin

Question 15

Which of the following describes a third-degree burn?

Accepted Answer

Destroys nerve endings and appears gray-white, cherry red, or blackened

Question 16

Which of the following is a characteristic of malignant melanoma?

Accepted Answer

Arises from melanocytes and is the most dangerous type of skin cancer

Question 17

Which of the following is a function of sebum secreted by sebaceous glands?

Accepted Answer

Lubricates and waterproofs the skin and hair

Question 18

Which of the following is a biological barrier provided by the skin?

Accepted Answer

Dermal macrophages

Question 19

Why do keratinocytes die as they move through the stratum granulosum?

Accepted Answer

They are too far from the dermal blood supply and lose access to nutrients

Question 20

Which part of the nail is responsible for nail growth?

Accepted Answer

Nail matrix

Anatomy & Physiology: The Integumentary System Study Guide

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드