A nurse is caring for a client who has dyspnea with an oxygen saturation of 88%. Which of the following indicates the type of face mask the nurse should use to deliver the client a 90% oxygen concentration?

Simple face mask

Nasal prongs

Non-rebreather mask

Nasal cannula

Answer and Explanation

The Correct Answer is C

A. Simple face mask: This can deliver oxygen at flow rates of 5-10 liters per minute and typically provides an oxygen concentration of about 35-50%.

B. Nasal prongs: Nasal prongs deliver oxygen at lower flow rates and may not be sufficient to raise the client's oxygen saturation to 90%.

C. Non-rebreather mask: This mask can deliver high concentrations of oxygen (up to 90-100%) at flow rates of 10-15 liters per minute. It has one-way valves to prevent the patient from rebreathing exhaled air, thus maximizing the delivery of oxygen.

D. Nasal cannula: Nasal cannulas deliver oxygen at lower flow rates (typically up to 6 liters per minute) and may not provide the necessary concentration to achieve an oxygen saturation of 90%.

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Correct Answer is ["12.5"]

Explanation

To calculate the correct dosage, first convert the child's weight from pounds to kilograms. The child weighs 55 lb, which is approximately 55 ÷ 2.2 = 25kg

The prescribed dose is 50 mg/kg/day, so for a 25 kg child, this would be 25 kg × 50 mg = 1250 mg/day.

Since this is divided into 4 equal doses, each dose would be 1250 mg ÷ 4 = 312.5 mg. 125mg= 5ml

312.5mg= 312.5X5/125

=12.5ml

Therefore, the nurse should administer 12.5 mL per dose.

A. The client has poorly fitting dentures. B. The client verbalizes regret about never marrying. C. The client is sedentary throughout most of the day. D. The client has no living family.

Correct Answer is C

Explanation

A. While poorly fitting dentures can affect nutrition and overall health, they are not immediately life-threatening and do not represent the most urgent concern.

B. This could be a sign of emotional distress or loneliness, but it is not necessarily an urgent issue requiring immediate intervention.

C. Sedentary behavior in older adults is a priority concern because it increases the risk of various health problems, including cardiovascular disease, muscle atrophy, and decreased mobility. Prolonged inactivity can also contribute to the development of conditions like deep vein thrombosis (DVT) and pressure ulcers.

D. Although having no living family may contribute to social isolation and potential support needs, it is not as immediately critical as the potential physical health risks associated with a sedentary lifestyle.

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A nurse is caring for a client who has dyspnea with an oxygen saturation of 88%. Which of the following indicates the type of face mask the nurse should use to deliver the client a 90% oxygen concentration?

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["12.5"]

Explanation

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Correct Answer is C

Explanation

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A nurse is caring for a client who has dyspnea with an oxygen saturation of 88%. Which of the following indicates the type of face mask the nurse should use to deliver the client a 90% oxygen concentration?