Oxygen Therapy in Medical Surgical Nursing

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Which oxygen delivery system provides a specific percentage of oxygen and does not depend on the patient's breathing to deliver oxygen?

Nasal cannula

Reservoir cannula

High-flow systems (correct)

Oxygen concentrators

What is the main concern with flow rates in excess of 4 L/min when using a nasal cannula for oxygen therapy?

Absorption atelectasis

Danger of fire

Risk of swallowing air (correct)

Increased risk of bacterial infection

What is the function of a reservoir cannula in oxygen therapy?

Prevents absorption atelectasis

Prevents bacterial infection

Stores oxygen during exhalation (correct)

Regulates oxygen flow

Which oxygen delivery system is known to be relatively portable, easy to operate, and cost-effective particularly for home use?

Oxygen concentrators Signup and view all the answers

What is the role of a humidification system in oxygen therapy?

Preventing drying of respiratory tract mucous membranes Signup and view all the answers

What is a potential complication associated with high oxygen flow rates delivered through nasal cannulas?

Swallowing of air Signup and view all the answers

What is the primary goal of oxygen therapy?

To reduce stress on the myocardium Signup and view all the answers

What is used to assess the need for oxygen therapy in a patient?

Pulse oximetry Signup and view all the answers

Which manifestation is a sign of hypoxemia according to the text?

Central cyanosis Signup and view all the answers

What is hypoxia?

A decrease in oxygen supply to the tissues Signup and view all the answers

What complication may arise from prolonged high concentration oxygen therapy?

Pulmonary edema Signup and view all the answers

What causes oxygen toxicity during prolonged oxygen therapy?

Overproduction of oxygen free radicals Signup and view all the answers

What is the purpose of an incentive spirometer?

To maximize lung inflation and prevent atelectasis Signup and view all the answers

What type of patient is incentive spirometry commonly used for?

Patients after thoracic and abdominal surgery Signup and view all the answers

How often should a patient see a physician for follow-up appointments regarding oxygen therapy?

Every 6 months or more often if indicated Signup and view all the answers

What is the purpose of teaching patients self-care in oxygen administration?

To encourage safe oxygen administration and stress the importance of follow-up appointments Signup and view all the answers

Which type of incentive spirometer allows for preset tidal volume according to manufacturer's instructions?

Volume type Signup and view all the answers

When is incentive spirometry typically used after surgery?

Especially after thoracic and abdominal surgery Signup and view all the answers