A nurse is preparing to administer enteral formula to a client who weighs 75 kg and has a caloric need of 2250 calories per day. The nurse finds that 1000 mL of the formula provides 2000 calories.
How much formula would the client need per day (mL/day) to meet the calorie requirements?

500 mL

1125 mL

750 mL

2000 mL

Answer and Explanation

The Correct Answer is B

This is another dosage calculation problem. To solve it, we need to use the formula:

Caloric need ÷ Calories per mL 1000 = Formula per day

In this case, the caloric need is 2250 calories, and the calories per mL is 2000/1000 = 2. Plugging these values into the formula, we get:

2250 ÷ 2 × 1000 = 1125

Therefore, the client would need **1125 mL** of formula per day to meet the calorie requirements.

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Correct Answer is B

Explanation

To find the dose of ondansetron, you need to use the formula for weight-based dosage calculation:

Dose (mg) = Weight (kg) x Prescribed dose (mg/kg)

Since the client's weight is 70 kg and the prescribed dose is 0.34 mg/kg, plug in these values into the formula:

Dose (mg) = 70 kg x 0.34 mg/kg

Simplify and solve for the dose:

Dose (mg) = 23.8 mg

Therefore, the client should receive **23.8 mg** of ondansetron prior to chemotherapy.

A. Administer 0.5 mL of medication immediately to the client B. Administer 25 mg of medication once a day to the client for two weeks C. Administer 25 mg of medication every eight hours D. Administer 0.5 mL of medication if the client has symptoms of allergy E. Administer 0.5 mL of medication if the client has symptoms of allergy

Correct Answer is A

Explanation

To find how much medication to administer, you need to calculate the following:

- The volume of diphenhydramine in milliliters
- The infusion time in minutes

First, divide the dose of diphenhydramine by the concentration to get the volume in milliliters:

25 mg / 50 mg/mL = 0.5 mL diphenhydramine should be diluted in 10 to 20 mL of normal saline and infused over at least 2 minutes.

Therefore, the nurse should administer **0.5 mL** of diphenhydramine diluted in 10 to 20 mL of normal saline over **at least 2 minutes**.

The nurse should administer this medication **as soon as possible** after receiving the order and the medication from the pharmacy, as STAT means immediately or urgently. The nurse should also monitor the client for signs of improvement or adverse reactions.

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A nurse is preparing to administer enteral formula to a client who weighs 75 kg and has a caloric need of 2250 calories per day. The nurse finds that 1000 mL of the formula provides 2000 calories. How much formula would the client need per day (mL/day) to meet the calorie requirements?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A cancer client who weighs 70 kg is scheduled for chemotherapy. A nurse has to administer ondansetron 0.34 mg/kg, 30 minutes prior to chemotherapy. What is the dose of ondansetron this client should receive?

Correct Answer is B

Explanation

After assessing a client, a primary healthcare provider prescribes diphenhydramine 25 mg IV STAT for anaphylaxis. The pharmacy supplies a vial with a concentration of 50 mg/mL. How much and when should a nurse administer this medication?

Correct Answer is A

Explanation

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A nurse is preparing to administer enteral formula to a client who weighs 75 kg and has a caloric need of 2250 calories per day. The nurse finds that 1000 mL of the formula provides 2000 calories.
How much formula would the client need per day (mL/day) to meet the calorie requirements?