RRT RRT 2

Question 1

Which ventilator mode delivers a set tidal volume regardless of changes in lung compliance?

Accepted Answer

Volume Control (VC)

Answer

Volume Control ventilation delivers a preset tidal volume with each breath regardless of airway resistance or compliance changes.

Question 2

A patient's ABG shows pH 7.28, PaCO2 55 mmHg, HCO3 25 mEq/L. What is the primary disturbance?

Accepted Answer

Respiratory acidosis

Answer

Elevated PaCO2 with low pH and normal HCO3 indicates uncompensated respiratory acidosis.

Question 3

Which bronchodilator is classified as a short-acting beta-2 agonist (SABA)?

Accepted Answer

Albuterol

Answer

Albuterol is a SABA with onset of action within minutes and duration of 4-6 hours.

Question 4

The normal range for PaO2 in a healthy adult breathing room air at sea level is:

Accepted Answer

75-100 mmHg

Answer

Normal PaO2 for a healthy adult at sea level breathing room air is 75-100 mmHg.

Question 5

Which of the following is the MOST appropriate initial FiO2 for a patient with COPD presenting with acute exacerbation and mild hypoxemia?

Accepted Answer

0.28 (28%)

Answer

COPD patients should receive controlled low-flow oxygen (24-28%) to avoid suppressing hypoxic drive.

RRT Exam Practice Test