PCT Oxygen and Respiratory Assistance 3

Question 1

A simple face mask delivers oxygen at what concentration range?

Accepted Answer

35-60%

Answer

21-24%

Answer

60-100%

Answer

24-28% only

Question 2

Pursed-lip breathing is beneficial for patients with COPD because it:

Accepted Answer

Creates back pressure that keeps airways open longer during exhalation

Answer

Increases the rate of breathing

Answer

Eliminates the need for supplemental oxygen

Answer

Strengthens the diaphragm muscle

Question 3

Which sign indicates a patient is experiencing respiratory distress?

Accepted Answer

Use of accessory muscles and nasal flaring

Answer

Respiratory rate of 14 breaths per minute

Answer

Pink, warm skin color

Answer

SpO2 of 98% on room air

Question 4

When collecting a sputum specimen, the patient should be instructed to:

Accepted Answer

Take several deep breaths and cough deeply to bring up secretions from the lungs

Answer

Spit saliva into the container

Answer

Gargle with mouthwash first then spit into the container

Answer

Swallow secretions and provide a blood sample instead

Question 5

Oxygen should be humidified when delivered at flow rates above:

Accepted Answer

4 L/min

Answer

1 L/min

Answer

2 L/min

Answer

10 L/min

Question 6

The PCT observes a patient on oxygen removing their nasal cannula repeatedly. The appropriate action is:

Accepted Answer

Assess why the patient is removing it, adjust for comfort, and notify the nurse

Answer

Restrain the patient's hands to keep the cannula in place

Answer

Discontinue the oxygen since the patient does not want it

Answer

Tape the cannula to the patient's face