A nurse is applying oxygen via nasal cannula to a client diagnosed with chronic obstructive pulmonary disease (COPD). The client reports extreme shortness of breath. At what rate should the nurse set the flowmeter?
4L of oxygen per minute
2L of oxygen per minute
6L of oxygen per minute
8L of oxygen per minute
The Correct Answer is B
A. Oxygen at 4L per minute is generally too high for clients with COPD. High oxygen concentrations can suppress their hypoxic drive, which is their primary mechanism for breathing.
B. Oxygen at 2L per minute is the appropriate starting rate for clients with COPD. This flow rate provides supplemental oxygen without significantly increasing the risk of suppressing the client’s respiratory drive.
C. Oxygen at 6L per minute is excessive for clients with COPD and can lead to complications such as hypercapnia or respiratory depression.
D. Oxygen at 8L per minute is not recommended for clients with COPD unless specifically ordered in a life-threatening situation, as it can suppress their respiratory drive and worsen their condition.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A cough with clear sputum is a common symptom in COPD and does not warrant immediate intervention unless there is a change in the color, consistency, or amount of sputum, which could indicate infection.
B. An oxygen saturation of 95% is within normal limits for most individuals and is often acceptable for clients with COPD, as their target saturation is usually lower (88-92%) to avoid suppressing their hypoxic drive.
C. A respiratory rate of 28 breaths per minute indicates tachypnea, which suggests respiratory distress or worsening of the client’s condition. Immediate assessment and intervention are needed to prevent further deterioration.
D. Mild dyspnea with activity is a common symptom in clients with end-stage COPD and does not require immediate intervention unless it becomes severe or unrelieved with rest.
Correct Answer is D
Explanation
A. Crepitus, or subcutaneous emphysema, near the insertion site can occur due to air leaking into the subcutaneous tissue. While it should be monitored, it does not always require immediate provider notification unless it is extensive or worsening.
B. The absence of visible eyelets indicates the chest tube is properly positioned within the pleural space. This is an expected finding and does not require provider notification.
C. Bubbling of the water in the water seal chamber with exhalation is normal in a client with a pneumothorax. It indicates air is being evacuated from the pleural space.
D. Movement of the trachea toward the unaffected side is a sign of tension pneumothorax, a life-threatening complication. This finding requires immediate notification of the provider and emergency intervention to relieve the pressure in the pleural space.
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