Question 1

Which of the following best describes the main function of the cutaneous membrane?

Accepted Answer

It forms the outermost protective boundary of the body, exposed to air.

Question 2

A patient presents with a burn that is red, swollen, and blistered. Which layer(s) of the skin are most likely affected?

Accepted Answer

Epidermis and upper dermis

Question 3

Which of the following is TRUE regarding the serous membranes?

Accepted Answer

They occur in pairs separated by serous fluid, with the visceral layer covering organs and the parietal layer lining cavity walls.

Question 4

Which pigment is primarily responsible for the yellow to brown to black coloration of the skin?

Accepted Answer

Melanin

Question 5

A person with third-degree burns over 12% of their body, including the hands, is at risk for which of the following complications?

Accepted Answer

Critical burns due to extent and location

Question 6

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

Accepted Answer

They open via ducts to pores on the skin surface and help regulate body temperature.

Question 7

Which layer of the epidermis is responsible for ongoing cell division and is closest to the dermis?

Accepted Answer

Stratum basale

Question 8

A patient is diagnosed with squamous cell carcinoma. Which of the following statements is most accurate?

Accepted Answer

It arises from the stratum spinosum and can metastasize to lymph nodes if not removed.

Question 9

Which of the following is NOT a function of the integumentary system?

Accepted Answer

Production of red blood cells

Question 10

Which of the following best explains why the skin is able to resist tearing and return to its original shape after stretching?

Accepted Answer

Collagen and elastic fibers in the dermis

Question 11

A patient presents with a pigmented mole that is asymmetrical, has irregular borders, multiple colors, and a diameter of 7 mm. According to the ABCD rule, what is the most likely diagnosis?

Accepted Answer

Malignant melanoma

Question 12

Which of the following best describes the difference between mucous and serous membranes?

Accepted Answer

Serous membranes occur in pairs separated by fluid, while mucous membranes line cavities open to the exterior.

Question 13

Which of the following structures is NOT considered an appendage of the skin?

Accepted Answer

Lamina propria

Question 14

A patient with a genetic disorder has a deficiency in keratin production. Which layer of the skin would be most directly affected?

Accepted Answer

Stratum corneum

Question 15

Which of the following best describes the function of the synovial membrane?

Accepted Answer

It lines fibrous capsules surrounding joints and secretes lubricating fluid.

Question 16

A person is exposed to excessive sunlight and develops increased pigmentation in their skin. Which cell type is primarily responsible for this response?

Accepted Answer

Melanocyte

Question 17

Which of the following is a correct sequence of the layers of the epidermis from deep to superficial in thick skin?

Accepted Answer

Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question 18

Which of the following best explains why third-degree burns are considered life-threatening?

Accepted Answer

They destroy the entire skin layer, leading to dehydration, electrolyte imbalance, and risk of circulatory shock.

Question 19

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

Accepted Answer

It lubricates the skin and hair, prevents brittle hair, and kills bacteria.

Chapter 4: Skin and Body Membranes – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards