CCRN Practice Test 3

10 free CCRN practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

CCRN Practice Test 3Tutor mode

Question 1 of 10

Respiratory

A patient with severe COPD who uses 2 L/min of oxygen at home is admitted with an exacerbation. Emergency staff placed a nonrebreather mask. The patient is now drowsy but arousable, follows commands and is coughing up secretions.

Which intervention should the nurse anticipate FIRST?

ABG on nonrebreather mask
ParameterValue
pH7.24
PaCO278 mm Hg
HCO3−32 mEq/L
PaO298 mm Hg
SpO299%
RR12/min