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The nurse is initiating a 500 mL IV of normal saline at 60 mL/hour for a client with heart failure. How many hours should the IV infuse? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["8.3"]

The correct answer is 8.3 hours. To find the answer, we can use the following formula:

(hours) = (mL of IV) / (mL/hour)

Substituting the given values, we get:

(hours) = (500) / (60)

Simplifying, we get:

(hours) = 8.333

(rounded hours) = 8.3

Therefore, the IV should infuse for 8.3 hours.

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Correct Answer is ["168"]

Explanation

To find the answer, we can use the following steps:

- Convert the client's weight from pounds to kilograms by dividing by 2.2

- Multiply the weight in kilograms by the dosage in mg/kg

- Round the result to the nearest whole number

Using these steps, we get:

- (weight in kg) = (185) / (2.2) = 84.091 kg

- (dose in mg) = (2) x (84.091) = 168.182 mg

- (rounded dose in mg) = 168 mg

Therefore, the nurse should prepare to administer 168 mg of zidovudine IV to the client.

Correct Answer is ["75"]

Explanation

To find the answer, we can use the following steps:

- Calculate the dose of diphenhydramine in mg per administration by multiplying the volume in mL by the concentration in mg/mL

- Multiply the dose in mg per administration by the number of administrations per day

- Round the result to the nearest whole number

Using these steps, we get:

- (dose in mg per administration) = (15) x (12.5 / 5) = 37.5 mg

- (total daily dose in mg) = (37.5) x (2) = 75 mg

- (rounded total daily dose in mg) = 75 mg

Therefore, the client receives 75 mg of diphenhydramine per day.

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The nurse is initiating a 500 mL IV of normal saline at 60 mL/hour for a client with heart failure. How many hours should the IV infuse? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is ["168"]

Explanation

An adult client receives a prescription for diphenhydramine 15 mL by mouth every 12 hours PRN for pruritus. The bottle is labeled, "diphenhydramine 12.5 mg/5 mL." What is the total daily dose in mg that the client receives? (Enter numerical value only.)

Correct Answer is ["75"]

Explanation

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