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

Answer and Explanation

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.

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Correct Answer is D

Explanation

A: Placing the client supine with knees bent can help reduce strain on the abdominal area but is not the immediate first action.

B: Raising the head of the client’s bed 15 to 20 degrees is not the priority action in this situation.

C: Assessing the client for manifestations of shock is important but should follow the immediate action of protecting the eviscerated wound.

D: Covering the area with a sterile dressing moistened with 0.9% sodium chloride irrigation is the correct first action. This helps protect the exposed organs and tissues from contamination and keeps them moist until surgical intervention can be performed.

A. Hypertension B. Tachycardia C. Pallor D. Bradypnea

Correct Answer is C

Explanation

A: Hypertension is not typically a late sign of hypoxemia. It can occur in various conditions but is not specific to hypoxemia.

B: Tachycardia is an early sign of hypoxemia as the body attempts to compensate for low oxygen levels by increasing the heart rate.

C: Pallor is a late sign of hypoxemia. It indicates poor oxygenation and perfusion, often seen when the body can no longer compensate for the lack of oxygen.

D: Bradypnea, or slow breathing, is not a typical sign of hypoxemia. Hypoxemia usually causes an increase in respiratory rate (tachypnea) as the body tries to take in more oxygen.

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Which oxygen delivery device can deliver 40-60% FIO2 and is from 5-8 L/min?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is 2 days postoperative following abdominal surgery and observes that the client’s wound has eviscerated. After calling for help, which of the following actions should the nurse take first?

Correct Answer is D

Explanation

A nurse is assessing a client who has hypoxemia for a late sign. Which finding should the nurse expect?

Correct Answer is C

Explanation

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