$$BSA = \sqrt{\frac{height \times weight}{3600}}$$

Question 1

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

Accepted Answer

They secrete a lubricating fluid to cushion organs moving against each other during muscle activity.

Question 2

A patient presents with yellowing of the skin and eyes. Which pigment and underlying condition is most likely responsible for this appearance?

Accepted Answer

Bilirubin; liver disorder

Question 3

Which layer of the epidermis is responsible for cell division and regeneration?

Accepted Answer

Stratum basale

Question 4

A burn patient is experiencing dehydration and electrolyte imbalance. Which physiological process is most directly impaired?

Accepted Answer

Cutaneous membrane's ability to prevent water loss

Question 5

Which of the following equations correctly represents the relationship between sweat production and body temperature regulation?

Accepted Answer

$$Q = m c \Delta T$$

Question 6

A person with a genetic defect in keratin production would most likely experience which of the following symptoms?

Accepted Answer

Increased susceptibility to water loss and mechanical damage

Question 7

Which of the following is TRUE regarding the structure and function of the dermal papillae?

Accepted Answer

They increase friction and gripping ability on hands and feet.

Question 8

Which type of gland is responsible for producing sweat that aids in body temperature regulation and is distributed widely over the body?

Accepted Answer

Eccrine gland

Question 9

A patient has a bacterial infection resulting in pink, fluid-filled lesions around the mouth and nose. What is the most likely diagnosis?

Accepted Answer

Impetigo

Question 10

Which of the following best explains why the stratum corneum is effective at preventing water loss from the body?

Accepted Answer

It is composed of dead, keratin-filled cells that form a waterproof barrier.

Question 11

Which connective tissue membrane lines the fibrous capsules surrounding joints and secretes lubricating fluid?

Accepted Answer

Synovial membrane

Question 12

A person with pallor (pale skin) may be experiencing which of the following conditions?

Accepted Answer

Impaired blood flow to an area

Question 13

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

Accepted Answer

Dermal papillae

Question 14

Which layer of the dermis contains dense irregular connective tissue and deep pressure receptors?

Accepted Answer

Reticular layer

Question 15

A person with a mutation affecting the Merkel cells in the skin would most likely have difficulty with which function?

Accepted Answer

Sensing light touch

Question 16

Which of the following best describes the composition of the epidermis?

Accepted Answer

Stratified squamous epithelium

Question 17

Which equation best represents the calculation of body surface area (BSA) for estimating burn severity?

Accepted Answer

$$BSA = \sqrt{\frac{height 	imes weight}{3600}}$$

Question 18

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

Accepted Answer

Regulation of heat loss

Question 19

A patient presents with clusters of blisters caused by human herpesvirus 1. What is the most likely diagnosis?

Accepted Answer

Cold sores (fever blisters)

Question 20

Which of the following best explains why fingerprints are unique to each individual?

Accepted Answer

Dermal papillae form unique patterns of ridges and sweat pores

Skin and Body Membranes: Structure, Function, and Clinical Aspects

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