$$\text{Total BSA}_{\text{burned}} = 9\% \times \text{Number of regions affected}$$

Question 1

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

Accepted Answer

Synthesis of vitamin D

Question 2

Which layer of the epidermis is responsible for cell division and is anchored by hemidesmosomes and desmosomes?

Accepted Answer

Stratum basale

Question 3

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

Accepted Answer

First-degree burn

Question 4

Which structure in the dermis is responsible for detecting deep pressure and vibration?

Accepted Answer

Pacinian corpuscle

Question 5

What is the main difference between thick skin and thin skin?

Accepted Answer

Thick skin has all five epithelial strata and a thicker stratum corneum

Question 6

Which process describes the change in cell shape and composition as keratinocytes move from deep to superficial layers?

Accepted Answer

Keratinization

Question 7

A genetic mutation causes a lack of tyrosinase enzyme. What condition does this result in?

Accepted Answer

Albinism

Question 8

Which layer of the dermis is most superficial and contains Meissner corpuscles and dermal papillae?

Accepted Answer

Papillary layer

Question 9

What is the primary function of melanin in the skin?

Accepted Answer

To protect keratinocyte DNA from UV-induced mutations

Question 10

Which of the following best explains why individuals living near the equator tend to have darker skin?

Accepted Answer

Darker skin prevents excess vitamin D production due to high UV exposure

Question 11

Which of the following is TRUE regarding the stratum corneum?

Accepted Answer

It consists of more than 25 layers of dead cells

Question 12

Which equation would you use to estimate the percentage of body surface area affected by burns using the Rule of Nines?

Accepted Answer

$$	ext{Total BSA}_{	ext{burned}} = 9\% 	imes 	ext{Number of regions affected}$$

Question 13

Which of the following structures is responsible for the formation of fingerprints?

Accepted Answer

Dermal papillae and thick collagen fibers forming dermal ridges

Question 14

A patient with a third-degree burn will most likely experience which of the following symptoms?

Accepted Answer

Painless area due to destruction of sensory receptors

Question 15

Which gland is responsible for producing sebum and is most commonly associated with hair follicles?

Accepted Answer

Sebaceous gland

Question 16

Which of the following best describes the function of Pacinian corpuscles?

Accepted Answer

Detecting deep pressure and vibration

Question 17

Which layer of the hair contains hard keratin and provides mechanical strength?

Accepted Answer

Cuticle

Question 18

During which phase of hair growth do cells in the matrix cease dividing and start to die?

Accepted Answer

Telogen phase

Question 19

Which of the following is a correct statement about melanocytes?

Accepted Answer

They produce melanin and are located in the stratum basale and stratum spinosum

Integumentary System: Structure and Function (Chapter 6 Study Notes)

Study Guide - Practice Questions