A client is receiving oxygen therapy via a nasal cannula. When the client asks the nurse why he needs to have oxygen tubing in his nose, which of the following explanations about the cannula should the nurse give him?

"It delivers a specific concentration of oxygen constantly."

It allows you to remove it for a while when it gets uncomfortable."

"It delivers the low concentration of oxygen you need."

"It delivers the highest concentration of oxygen possible."

Answer and Explanation

The Correct Answer is C

A.   Nasal cannulas deliver a low flow rate of oxygen, which means the concentration of oxygen delivered is not constant and can vary depending on the client's breathing rate and depth.
B.   Nasal cannulas are designed to be worn continuously, and removing them can disrupt the delivery of oxygen and potentially worsen the client's condition.
C.   Nasal cannulas are typically used to deliver low concentrations of oxygen, which is often sufficient for patients with mild to moderate respiratory conditions.
D.   Nasal cannulas cannot deliver the highest concentration of oxygen possible. For patients who require higher concentrations of oxygen, other delivery methods, such as a face mask or mechanical ventilation, may be necessary.

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Correct Answer is B

Explanation

A. While some conditions may lead to minimal bubbling, the absence of bubbling in the suction control chamber typically indicates that the suction is not functioning properly. It should be investigated rather than monitored passively.
B. The first step should be to check that the suction regulator is properly set and turned on. If the regulator is off or set too low, it can result in a lack of bubbling in the suction control chamber. Ensuring that suction is functioning correctly is crucial for effective drainage and pressure regulation.
C. This option may be necessary, but it is not the immediate first step. If the suction regulator is confirmed to be on and there is still no bubbling, the nurse should then notify the provider. However, it’s essential to troubleshoot the issue first.
D. While milking the chest tube can be indicated in certain circumstances to relieve occlusion, it should not be the first step in this situation. Before taking this action, it’s important to check the suction settings to rule out the source of the problem.

A. Aminophylline B. Propranolol C. Montelukast D. Prednisone

Correct Answer is B

Explanation

A. Aminophylline is a bronchodilator used to treat asthma. It is a common medication for asthma exacerbations and would be appropriate in this case.
B. Propranolol is a beta-blocker, which can worsen asthma symptoms by narrowing the airways. It should be avoided in clients with asthma.
C. Montelukast is a leukotriene receptor antagonist used to prevent asthma attacks. It is not typically used to treat acute exacerbations, but it can be used as part of long-term management.

D. Prednisone is a corticosteroid used to reduce inflammation in the airways. It is a common medication for asthma exacerbations and would be appropriate in this case.

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A client is receiving oxygen therapy via a nasal cannula. When the client asks the nurse why he needs to have oxygen tubing in his nose, which of the following explanations about the cannula should the nurse give him?

Nursing Test Bank

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