Question 1

Which cell type in the epidermis is responsible for producing the pigment that gives skin its color?

Accepted Answer

Melanocytes

Question 2

Which layer of the epidermis is primarily responsible for cell division and regeneration?

Accepted Answer

Stratum basale

Question 3

A patient presents with yellowing of the skin and eyes. Which condition is most likely responsible, and what is its underlying cause?

Accepted Answer

Jaundice; buildup of bilirubin due to liver dysfunction

Question 4

Which of the following best describes the function of tactile epithelial (Merkel) cells in the epidermis?

Accepted Answer

They act as sensory receptors for touch.

Question 5

Which layer of the dermis contains Meissner corpuscles and is responsible for fingerprints?

Accepted Answer

Papillary layer

Question 6

A third-degree burn involves which of the following?

Accepted Answer

Entire thickness of the skin; risk of fluid loss and infection

Question 7

Which gland produces a waxy, bitter substance that helps protect the ear canal?

Accepted Answer

Ceruminous gland

Question 8

Which of the following is NOT a function of hair?

Accepted Answer

Production of vitamin D

Question 9

Which type of skin cancer is the most dangerous due to its high rate of metastasis and resistance to chemotherapy?

Accepted Answer

Melanoma

Question 10

Which of the following is a risk factor for skin cancer that cannot be changed?

Accepted Answer

Family history of skin cancer

Question 11

Which acronym is used to help identify potentially malignant skin lesions, and what does the 'B' stand for?

Accepted Answer

ABCDE; B stands for 'Border Irregularity'

Question 12

Which sweat gland is most responsible for regulating body temperature and is found all over the body?

Accepted Answer

Eccrine sweat gland

Question 13

Which layer of the skin is primarily composed of adipose tissue and acts as a shock absorber?

Accepted Answer

Hypodermis (subcutaneous layer)

Question 14

A patient presents with bluish discoloration of the skin. What is the term for this condition and its cause?

Accepted Answer

Cyanosis; low oxygenation of hemoglobin

Question 15

Which cell type in the epidermis is most involved in activating the immune system?

Accepted Answer

Dendritic cells

Question 16

Which of the following best describes the change in skin from infancy to old age?

Accepted Answer

Skin becomes thinner, less resilient, and loses collagen

Question 17

Which layer of the epidermis is only found in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 18

Which of the following is a function of the reticular layer of the dermis?

Accepted Answer

Contains dense irregular connective tissue and pressure receptors

Question 19

Which of the following is a correct description of the function of sebaceous glands?

Accepted Answer

Secrete sebum to lubricate and waterproof skin and hair

Question 20

A patient has a mole with asymmetry, border irregularity, color variation, and a diameter larger than 6 mm. According to the ABCD rule, what is the most likely diagnosis?

Accepted Answer

Melanoma

Study Guide: The Integumentary System (Anatomy & Physiology)

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