A nurse is reviewing oxygen therapy with a group of new graduates. Which of the following statements indicate a correct understanding of oxygen therapy?
(Select All that Apply.)
A Venturi mask allows for precise oxygen concentration delivery.
Oxygen should be humidified when delivered at flow rates higher than 4 liters per minute.
Oxygen toxicity can occur when high concentrations of oxygen are administered for extended periods.
Nasal cannulas can deliver oxygen concentrations up to 90%.
Oxygen therapy is always safe regardless of the patient's condition.
A simple face mask can deliver higher oxygen concentrations than a non-rebreather mask.
Correct Answer : A,B,C
A. A Venturi mask is an accurate way to deliver a specific concentration of oxygen, allowing for precise control.
B. Humidifying oxygen is recommended at flow rates higher than 4 liters per minute to prevent drying of the mucous membranes.
C. Oxygen toxicity can occur if high concentrations of oxygen are administered for prolonged periods, leading to potential lung damage.
D. Nasal cannulas typically provide a lower oxygen concentration than higher-flow devices, like a Venturi mask or non-rebreather mask.
E. Oxygen therapy is not always entirely safe regardless of the patient's condition; certain conditions require careful monitoring to prevent complications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Having the client breathe into a paper bag would help with respiratory alkalosis, not metabolic alkalosis.
B. Placing the client on seizure precautions is appropriate, as severe metabolic alkalosis can cause neurologic complications such as seizures.
C. Encouraging slow breathing may not significantly impact metabolic alkalosis.
D. Sodium bicarbonate administration would worsen metabolic alkalosis, not treat it.
Correct Answer is ["B","E","F","G"]
Explanation
A. A high-fiber and spicy diet could irritate the stomach lining, worsening acute gastritis.
B. Administering antacids can help neutralize stomach acid and relieve discomfort associated with gastritis.
C. Rigorous exercise is not recommended during an acute gastritis flare-up, as it could exacerbate symptoms.
D. Drinking milk is a common myth that milk can soothe gastritis; however, milk can stimulate acid production, which might worsen symptoms.
E. Pain should be assessed regularly, and analgesics should be administered as prescribed. NSAIDs should be avoided, as they can worsen gastritis.
F. Avoiding caffeine, alcohol, and smoking is crucial, as they can irritate the stomach lining and worsen symptoms of gastritis.
G. Monitoring for signs of gastrointestinal bleeding, such as hematemesis or melena, is important as acute gastritis can lead to bleeding.
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