CMSRN Respiratory and Pulmonary Care

Question 1

A patient with COPD has an SpO2 of 88% and is on 2L/min nasal cannula. What is the most appropriate nursing action?

Accepted Answer

Maintain current settings as 88% is acceptable for COPD patients

Answer

Increase oxygen to 4L/min immediately

Answer

Notify the physician and monitor closely

Answer

Apply a non-rebreather mask at 15L/min

Question 2

Which finding on a chest X-ray is most consistent with pneumothorax?

Accepted Answer

Absence of lung markings on one side

Answer

Diffuse bilateral infiltrates

Answer

Hyperinflation with flattened diaphragm

Answer

Consolidation in the lower lobes

Question 3

A patient develops sudden severe dyspnea, tracheal deviation to the left, and absent breath sounds on the right. What condition does the nurse suspect?

Accepted Answer

Tension pneumothorax

Answer

Pulmonary embolism

Answer

Hemothorax

Answer

Pleural effusion

Question 4

When performing deep tracheal suctioning, the nurse should limit each suction pass to no more than:

Accepted Answer

10–15 seconds

Answer

5 seconds

Answer

20 seconds

Answer

30 seconds

Question 5

A patient is prescribed incentive spirometry post-operatively. What is the primary goal of this intervention?

Accepted Answer

Prevent atelectasis and promote lung expansion

Answer

Reduce post-operative pain

Answer

Drain pleural effusion

Answer

Improve cardiac output

Question 6

Which arterial blood gas (ABG) result indicates respiratory acidosis?

Accepted Answer

pH 7.30, PaCO2 55, HCO3 24

Answer

pH 7.50, PaCO2 30, HCO3 22

Answer

pH 7.48, PaCO2 40, HCO3 30

Answer

pH 7.35, PaCO2 40, HCO3 22