Which oxygen delivery device can deliver 40-60% FIO2 and is from 5-8 L/min?
Nasal cannula
Simple face mask
Aerosol mask
Face tent
The Correct Answer is B
A: A nasal cannula delivers a lower concentration of oxygen, typically between 24-44% FIO2, and is used at flow rates of 1-6 L/min. It is not suitable for delivering 40-60% FIO2.
B: A simple face mask can deliver 40-60% FIO2 at flow rates of 5-8 L/min. It covers the nose and mouth, providing a higher concentration of oxygen compared to a nasal cannula.
C: An aerosol mask is used for delivering humidified oxygen or medications via nebulization. It can deliver varying concentrations of oxygen but is not specifically designed for 40-60% FIO2 at 5-8 L/min.
D: A face tent is used for patients who cannot tolerate a mask, such as those with facial trauma or claustrophobia. It provides humidified oxygen but does not deliver a precise FIO2 concentration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["9"]
Explanation
Step 1: Convert the dosage from mg to mcg. 0.75 mg × 1000 = 750 mcg Result: 750 mcg
Step 2: Determine the number of tablets needed. 750 mcg ÷ 88 mcg/tablet = 8.5227 tablets Result: 8.5227 tablets
Step 3: Round the result to the nearest whole number. 8.5227 tablets rounded to the nearest whole number = 9 tablets Result: 9 tablets
The nurse should administer 9 tablets per dose.
Correct Answer is B
Explanation
A: Obtaining a chest x-ray is important for diagnosing potential complications but is not the immediate first action to improve oxygen saturation.
B: Raising the head of the bed helps improve lung expansion and oxygenation. It is a quick and effective first step to increase oxygen saturation.
C: Administering a prescribed analgesic can help with pain management but does not directly address the low oxygen saturation.
D: Administering oxygen at 2 L/min is important but should follow the initial step of raising the head of the bed to optimize breathing.
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