$A_{total} = 9\% \times n_{regions}$

Question 1

Which of the following best describes the function of serous membranes in the body?

Accepted Answer

They line closed ventral body cavities and secrete a lubricating fluid to reduce friction between organs.

Question 2

A patient presents with pain and swelling in the knee joint. Which type of tissue membrane is most likely involved in this inflammation?

Accepted Answer

Synovial membrane

Question 3

Which layer of the epidermis is responsible for the formation of fingerprints?

Accepted Answer

Stratum basale

Question 4

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

Accepted Answer

Production of red blood cells

Question 5

A burn patient has damage extending through the epidermis and upper dermis, with blisters present. What type of burn is this?

Accepted Answer

Second-degree burn

Question 6

Which of the following correctly matches the membrane with its location?

Accepted Answer

Cutaneous membrane – covers the body surface (skin)

Question 7

Which cell type in the epidermis is primarily responsible for producing the pigment that protects against UV radiation?

Accepted Answer

Melanocytes

Question 8

A patient with polycystic ovary syndrome develops coarse, terminal hair in a masculine distribution. Which hormone is most likely elevated?

Accepted Answer

Androgens

Question 9

Which of the following equations best represents the relationship between sweat gland activity and body temperature regulation?

Accepted Answer

$Q = m c \Delta T$

Question 10

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

Accepted Answer

Stratum lucidum

Question 11

A forensic scientist is analyzing fingerprints from a crime scene. Which anatomical structure is responsible for the uniqueness of fingerprints?

Accepted Answer

Dermal papillae at the stratum basale

Question 12

Which of the following is a correct statement about the difference between mucous and serous membranes?

Accepted Answer

Mucous membranes line cavities open to the exterior, while serous membranes line closed ventral body cavities.

Question 13

Which of the following best explains why third-degree burns are often painless?

Accepted Answer

The burn destroys nerve endings in the affected area.

Question 14

Which of the following is a function of the dermis?

Accepted Answer

Sensation and housing blood vessels

Question 15

Which of the following best describes the composition of hair?

Accepted Answer

Hair consists of dead, keratinized cells produced by hair follicles.

Question 16

Which of the following is a plausible consequence of extensive burns covering more than 30% of the body surface?

Accepted Answer

Systemic inflammatory response and risk of circulatory shock

Question 17

Which equation would you use to estimate the area of skin affected by a burn using the 'rule of nines'?

Accepted Answer

$A_{total} = 9\% 	imes n_{regions}$

Question 18

Which of the following is a correct statement about the developmental aspects of the integumentary system?

Accepted Answer

The dermis develops from the mesoderm and the epidermis from the ectoderm.

Question 19

Which of the following is a plausible reason why elderly individuals are more prone to skin infections?

Accepted Answer

Thinning of the epidermis and decreased gland activity

Tissue Membranes and the Integumentary System: Structure and Function

Study Guide - Practice Questions