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 B

Explanation

A. Limiting snacks between meals may further decrease the client's overall food intake, which could exacerbate the risk of malnutrition.

B. Providing the client with finger foods makes eating more manageable for individuals with dementia who may have difficulty using utensils or maintaining attention during meals. This approach encourages independent eating and may increase food intake.
C. Restricting visitors during meals may lead to social isolation and could interfere with the client's enjoyment of mealtime, potentially further reducing food intake.
D. Providing the client with three large meals each day may be overwhelming and may not align with the client's preferences or eating habits. Offering smaller, more frequent meals throughout
the day is often more manageable for individuals with dementia.

A. Overweight B. Ideal body weight C. Obese D. Underweight

Correct Answer is A

Explanation

A. BMI of 29 falls within the overweight range, which is typically defined as a BMI between 25 and 29.9.
B. A BMI of 29 does not fall within the ideal body weight range, which is typically considered to be between 18.5 and 24.9.
C. Obesity is typically classified as a BMI of 30 or higher. While a BMI of 29 is close to the obese range, it falls within the overweight category.
D. A BMI of 29 does not fall within the underweight range, which is typically considered to be a BMI below 18.5.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is A

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