Question 1

Which layer of the epidermis is responsible for mitosis and contains melanocytes?

Accepted Answer

Stratum basale (germinativum)

Question 2

A patient presents with a bluish discoloration of the skin. Which term best describes this condition, and what is the most likely underlying cause?

Accepted Answer

Cyanosis; decreased oxygenation of blood

Question 3

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

Accepted Answer

Synthesis of insulin

Question 4

A burn patient is at greatest immediate risk for which of the following complications?

Accepted Answer

Dehydration

Question 5

Which gland is responsible for producing oily secretions that lubricate the skin and hair?

Accepted Answer

Sebaceous gland

Question 6

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

Accepted Answer

Thick skin contains a stratum lucidum; thin skin does not

Question 7

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

Accepted Answer

Langerhans (dendritic) cell

Question 8

A patient with a non-cancerous, slow-growing skin mass that does not invade other tissues most likely has which type of tumor?

Accepted Answer

Benign

Question 9

Which of the following best explains why elderly individuals often have wrinkled and sagging skin?

Accepted Answer

Thinning of the epidermis and decrease in elastin

Question 10

Which of the following is the correct sequence of wound healing?

Accepted Answer

Stop bleeding → Inflammation → Growth and rebuilding → Strengthening

Question 11

Which pigment is responsible for the yellow-orange coloration of the skin and can be influenced by diet?

Accepted Answer

Carotene

Question 12

A patient with a genetic condition resulting in no melanocytes would most likely present with which of the following?

Accepted Answer

Albinism

Question 13

Which of the following best describes the role of the arrector pili muscle?

Accepted Answer

Contracts to produce goosebumps

Question 14

Which type of skin cancer is considered the most dangerous due to its high potential for metastasis?

Accepted Answer

Melanoma

Question 15

Which of the following is NOT a characteristic of the epidermis?

Accepted Answer

Contains hair follicles

Question 16

A patient with a burn involving the epidermis, dermis, and underlying tissues (muscle, bone) would be classified as having which type of burn?

Accepted Answer

Third-degree burn

Question 17

Which structure is primarily responsible for the skin’s strength and elasticity?

Accepted Answer

Reticular dermis

Question 18

Which of the following best describes the process of apoptosis?

Accepted Answer

Programmed cell death

Question 19

Which of the following is the correct pathway for the synthesis of calcitriol (active vitamin D)?

Accepted Answer

Skin → Liver → Kidney

Question 20

A patient presents with a pale skin color and is diagnosed with anemia. Which term best describes this skin appearance?

Accepted Answer

Pallor

The Integumentary System: Structure, Function, and Clinical Relevance

Study Guide - Practice Questions