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ATI RN · ATI Medical Surgical · Respiratory System Practice Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Gas is exchanged in the alveoli by a process of _____.

A. simple diffusion

B. active transport

C. facilitated diffusion

D. filtration

Expert Explanatory Rationale

Correct Answer: simple diffusion

Question 2 of 5

A client admitted for pneumonia has been tachypneic for several days. When the nurse starts an IV to give fluids the client questions this action saying " have been drinking tons of water. How am I dehydrated?" What response by the nurse is best?

A. Breathing so quickly can be dehydrating.

B. Everyone with pneumonia is dehydrated.

C. This is really just to administer your antibiotics.

D. Why do you think you are so dehydrated?

Expert Explanatory Rationale

Correct Answer: Breathing so quickly can be dehydrating.

Question 3 of 5

A pulmonary embolus is suspected in a patient with a deep vein thrombosis who develops hemoptysis, tachycardia, and chest pain. Diagnostic testing is scheduled. Which test should the nurse plan to teach the patient about?

A. Chest x-rays

B. Spiral (helical) CT scan

C. Take the patient's pulse and blood pressure.

D. Ventilation-perfusion lung scan

Expert Explanatory Rationale

Correct Answer: Spiral (helical) CT scan

Question 4 of 5

The apneustic centers of the pons

A. inhibit the pneumotaxic and inspiratory centers

B. provide stimulation to the inspiratory center

C. monitor blood gas levels

D. alter chemoreceptor sensitivity

Expert Explanatory Rationale

Correct Answer: provide stimulation to the inspiratory center

Question 5 of 5

Breathing rate in human is controlled by _____________

A. Medulla oblongata

B. Cerebellum

C. Hypothalamus

D. Thalamus

Expert Explanatory Rationale

Correct Answer: Medulla oblongata

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