Q: Which of the following equations best represents the calculation of total skin surface area, given the average adult values?

$$Surface\ Area = 1.5\ m^2$ \text{ to } 2\ m^2$

Question 1

Which layer of the cutaneous membrane is primarily responsible for resisting abrasion and reducing water loss?

Accepted Answer

Epidermis

Question 2

A patient presents with a wound that has penetrated through the epidermis and into the papillary layer of the dermis. Which type of connective tissue is most likely affected?

Accepted Answer

Areolar connective tissue

Question 3

Which of the following is NOT considered an accessory structure of the integumentary system?

Accepted Answer

Cutaneous membrane

Question 4

The hypodermis is best described as:

Accepted Answer

A subcutaneous layer that separates the skin from deep fascia and is not part of the integument

Question 5

Which of the following correctly matches the skin layer with its primary tissue type?

Accepted Answer

Dermis – connective tissue

Question 6

Which function is shared by both sebaceous and sweat glands?

Accepted Answer

Excretion of waste products

Question 7

A patient with a genetic disorder affecting the cutaneous plexus would most likely have problems with which skin function?

Accepted Answer

Blood supply and temperature regulation

Question 8

Which accessory structure is responsible for causing 'goosebumps' when exposed to cold or emotional stimuli?

Accepted Answer

Arrector pili muscles

Question 9

If the skin is the body's first line of defense against the environment, which of the following best explains why burns can be life-threatening?

Accepted Answer

Burns compromise the skin's barrier, leading to dehydration, infection, and impaired temperature regulation

Question 10

Which equation would you use to estimate the total body surface area affected by burns in an adult, according to the 'rule of nines'?

Accepted Answer

$$Total\ Surface\ Area\ Burned = (Head\% + Trunk\% + Upper\ Limb\% + Lower\ Limb\% + Genitalia\%)$$

Question 11

Which layer of the skin is responsible for most of its structural strength and is the source of animal leather?

Accepted Answer

Dermis

Question 12

A patient with a deficiency in sensory receptors and nerve fibers in the skin would most likely experience:

Accepted Answer

Impaired detection of heat, cold, touch, pressure, and pain

Question 13

Which of the following statements about the cutaneous membrane is correct?

Accepted Answer

It is composed of two layers: epidermis and dermis

Question 14

Which of the following is a function of the integumentary system that involves the hypodermis?

Accepted Answer

Lipid storage

Question 15

A patient with a mutation affecting the stratified squamous epithelium of the epidermis would most likely have problems with:

Accepted Answer

Resistance to abrasion and water loss

Question 16

Which of the following best describes the relationship between the dermis and the epidermis?

Accepted Answer

The dermis supplies nutrients to the avascular epidermis

Question 17

Which accessory structure is most directly involved in the regulation of body temperature?

Accepted Answer

Sweat glands

Question 18

If a patient has a disorder that prevents the formation of the reticular layer of the dermis, which function would be most compromised?

Accepted Answer

Structural strength and elasticity of the skin

Question 19

Which of the following equations best represents the calculation of total skin surface area, given the average adult values?

Accepted Answer

$$Surface\ Area = 1.5\ m^2$ 	ext{ to } 2\ m^2$

Question 20

Which of the following is NOT a function of the cutaneous plexus?

Accepted Answer

Producing keratin

The Integumentary System: Structure and Function

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