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HESI LPN · HESI LPN Medical Surgical Nursing · HESI Questions for the Respiratory System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

All of these are mesodermal in origin except:

A. blood vessels

B. dermis

C. spleen

D. epidermis

Expert Explanatory Rationale

Correct Answer: epidermis

Question 2 of 5

The lungs are attached to the walls of the thorax by means of the:

A. pericardial membrane

B. parietal pleural membrane

C. visceral pleural membrane

D. mesentery

Expert Explanatory Rationale

Correct Answer: parietal pleural membrane

Question 3 of 5

In comparison to skeletal muscle fibers, the contractile fibers of the heart are depolarized for _____ period of time.

A. a shorter

B. a longer

C. the same

D. Not applicable

Expert Explanatory Rationale

Correct Answer: a longer

Question 4 of 5

Which statement about inspiration is TRUE?

A. Abdominal muscles normally contract

B. Lung compliance increases

C. Intrapulmonary pressure becomes more positive

D. Diaphragm contracts to increase thoracic volume

Expert Explanatory Rationale

Correct Answer: Diaphragm contracts to increase thoracic volume

Question 5 of 5

A patient came to the clinic with asthmatic attack, his body did not respond to the drugs and it is found that he had hypoxemia. What do we call this condition?

A. Chronic bronchitis

B. Pneumonia

C. Heart attack

D. Status asthmaticus

Expert Explanatory Rationale

Correct Answer: Status asthmaticus

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