$$\text{Total Burned Area} = \text{Sum of assigned percentages for each region}$$

Question 1

Which layer of the dermis is primarily responsible for the formation of friction ridges, such as fingerprints?

Accepted Answer

Papillary layer

Question 2

A surgeon plans an incision along the cleavage (tension) lines of the skin. What is the main advantage of this approach?

Accepted Answer

It promotes faster healing and less scarring

Question 3

Which connective tissue type predominates in the reticular layer of the dermis?

Accepted Answer

Dense irregular connective tissue

Question 4

The subcutaneous layer, also known as the hypodermis, is primarily composed of which two tissue types?

Accepted Answer

Areolar and adipose tissue

Question 5

Which function is NOT associated with the subcutaneous layer?

Accepted Answer

Production of keratin

Question 6

Flexure lines are most likely to be found in which anatomical location?

Accepted Answer

Palms of the hands

Question 7

Which layer of the dermis contains the majority of accessory organs, such as hair follicles and glands?

Accepted Answer

Reticular layer

Question 8

A patient presents with blisters after a burn. Which layer of the skin is most likely affected?

Accepted Answer

Papillary layer of the dermis

Question 9

Which statement best describes the role of the dermal vascular plexus?

Accepted Answer

It supplies blood to hair follicles and glands

Question 10

If a patient has a deep laceration that penetrates into the reticular layer of the dermis, which tissue type is most likely to be damaged?

Accepted Answer

Dense irregular connective tissue

Question 11

Which of the following best explains why the subcutaneous layer acts as a blood reservoir?

Accepted Answer

It stores extra blood in its vascular network

Question 12

A patient with a disorder affecting the areolar connective tissue in the papillary layer would most likely experience problems with which function?

Accepted Answer

Defensive immune response

Question 13

Which of the following is a direct result of the dermal papillae projecting into the epidermis?

Accepted Answer

Creation of friction ridges

Question 14

Which layer is most responsible for the skin’s ability to resist tearing from multidirectional forces?

Accepted Answer

Reticular layer

Question 15

If a patient’s skin is unusually thin and bruises easily, which layer is most likely compromised?

Accepted Answer

Reticular layer of the dermis

Question 16

Which of the following equations best represents the calculation for the percentage of body surface area burned using the Rule of Nines?

Accepted Answer

$$	ext{Total Burned Area} = 	ext{Sum of assigned percentages for each region}$$

Question 17

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

Accepted Answer

Production of vitamin D

Question 18

A patient receives a subcutaneous injection. Which layer is the medication delivered into?

Accepted Answer

Subcutaneous layer (hypodermis)

Question 19

Which of the following best describes the arrangement of collagen fibers in the reticular layer of the dermis?

Accepted Answer

Random, dense irregular arrangement

Question 20

Which structure is most likely to be found in the papillary layer and is responsible for tactile sensation?

Accepted Answer

Meissner’s corpuscles

Integumentary System: Dermis, Subcutaneous Layer, and Related Structures

Study Guide - Practice Questions