Question 1

Which layer of the skin is primarily responsible for producing keratin and providing a tough, protective barrier?

Accepted Answer

Epidermis

Question 2

A patient presents with a burn that is red, swollen, and painful, but only affects the epidermis. What type of burn is this?

Accepted Answer

First degree burn

Question 3

Which cell type in the epidermis is responsible for producing melanin pigment and protecting DNA from UV damage?

Accepted Answer

Melanocytes

Question 4

Which accessory structure of the skin is most directly involved in thermoregulation by releasing sweat?

Accepted Answer

Eccrine (merocrine) sweat glands

Question 5

A person is exposed to cold temperatures. Which physiological response in the skin helps reduce heat loss?

Accepted Answer

Vasoconstriction of blood vessels in the dermis

Question 6

Which layer of the dermis contains dense irregular connective tissue, collagen, and elastic fibers, and is responsible for producing stretch marks (striae) when torn?

Accepted Answer

Reticular layer

Question 7

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

Accepted Answer

Blood formation

Question 8

A patient has a wound that penetrates through the epidermis and dermis, exposing adipose tissue. Which layer is now visible?

Accepted Answer

Hypodermis (subcutaneous layer)

Question 9

Which cell type in the epidermis is most important for immune defense against microbes?

Accepted Answer

Langerhans cells

Question 10

Which of the following best describes the difference between thick skin and thin skin?

Accepted Answer

Thick skin contains the stratum lucidum and is found on palms and soles; thin skin lacks stratum lucidum and is found elsewhere

Question 11

Which formula correctly represents the relationship between heat loss ($$Q) $$and blood flow ($$F) to $$the skin during thermoregulation?

Accepted Answer

$$Q = k 	imes F$$

Question 12

A patient with a third degree burn will likely experience which of the following complications?

Accepted Answer

Involvement of all epidermal and dermal layers, with possible damage to deeper tissues

Question 13

Which structure is responsible for producing sebum to lubricate and protect the skin?

Accepted Answer

Sebaceous glands

Question 14

Which phase of the hair cycle is characterized by active growth and can last 6-8 years?

Accepted Answer

Anagen

Question 15

Which of the following is a function of the skeletal system?

Accepted Answer

Blood formation

Question 16

Which exocrine gland is most abundant and is responsible for cooling the body?

Accepted Answer

Eccrine (merocrine) sweat gland

Question 17

A patient presents with a raised, scaly lesion on the skin that originated in the stratum spinosum and has metastasized to lymph nodes. What is the most likely diagnosis?

Accepted Answer

Squamous cell carcinoma

Question 18

Which structure of the nail is responsible for protecting the distal end of the finger and is composed of tightly packed dead cells filled with keratin?

Accepted Answer

Nail plate

Question 19

Which formula best represents the calculation of body surface area ($$A) $$affected by burns using the 'Rule of Nines' for an adult?

Accepted Answer

$$A = 9\% 	imes n$$

Question 20

Which cell type in the epidermis is most closely associated with tactile sensation?

Accepted Answer

Merkel cells

Integumentary System & Skeletal System: Structure, Function, and Clinical Relevance

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드