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

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Most of the carbon dioxide in the blood is transported as

A. carbon dioxide dissolved in the plasma.

B. bicarbonate ions.

C. carbaminohemoglobin.

D. carbonic acid.

Correct Answer: bicarbonate ions.

Question 2 of 5

Asphyxia occurs due to

A. Rise in level of CO2

B. Fall in level of CO2

C. Rise of O2 level

D. Fall in O2 level

Correct Answer: Rise in level of CO2

Question 3 of 5

The Nasal cavity is?

A. Divided into the right and left sides.

B. Lined with mucous membranes

C. Has tiny hair-like structures called cilia

D. All of the above

Correct Answer: All of the above

Question 4 of 5

While assisting a patient with intermittent asthma to identify specific triggers of asthma, what should the nurse explain?

A. a. Food and drug allergies do not manifest in respiratory symptoms.

B. b. Exercise-induced asthma is seen only in individuals with sensitivity to cold air.

C. c. Asthma attacks are psychogenic in origin and can be controlled with relaxation techniques.

D. d. Viral upper respiratory infections are a common precipitating factor in acute asthma attacks.

Correct Answer:

Question 5 of 5

Nurse Ruth assessing a patient for tracheal displacement should know that the trachea will deviate toward the:

A. Contralateral side in a simple pneumothorax.

B. Affected side in a hemothorax.

C. Affected side in a tension pneumothorax.

D. Contralateral side in hemothorax.

Correct Answer: Contralateral side in hemothorax.

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