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A client who weighs 132 lb receives a prescription for lorazepam 44 mcg/kg IV to be administer 20 minutes before a scheduled procedure. The medication is available in 2 mg/mL vial. How many mL should the nurse administer?

(Enter numerical value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["1.3"]

Convert pounds to kilograms.

1 pound = 0.453592 kilograms
132 pounds * 0.453592 kg/pound = 59.87 kilograms

Step 2: Calculate the total dose in micrograms.

44 micrograms/kilogram * 59.87 kilograms = 2635.08 micrograms

Step 3: Convert micrograms to milligrams.

1 milligram = 1000 micrograms
2635.08 micrograms / 1000 micrograms/milligram = 2.63508 milligrams

Step 4: Calculate the volume to be administered.

Concentration of lorazepam = 2 milligrams/milliliter
Volume = Dose / Concentration
Volume = 2.63508 milligrams / 2 milligrams/milliliter = 1.31754 milliliters

Therefore, the nurse should administer approximately 1.3 milliliters of the lorazepam solution.

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Correct Answer is C

Explanation

Rationale

A. Green leafy vegetables do not interact with cefdinir. They are generally a healthy choice and can be encouraged without any concerns related to the antibiotic therapy.

B. Fresh fruits are also safe to consume with cefdinir. There are no interactions between fruits and this antibiotic.

C. Yogurt and buttermilk contain probiotics, which are beneficial bacteria that can help maintain gut health. Antibiotics like cefdinir can disrupt the normal gut flora, leading to diarrhea or other gastrointestinal issues. Consuming yogurt or buttermilk with live cultures may help replenish beneficial bacteria in the gut and reduce the risk of antibiotic-associated diarrhea.

D. Avocados and cheese are also safe choices. There are no specific interactions between these foods and cefdinir.

Correct Answer is ["21"]

Explanation

To calculate the flow rate in gtt/min, you can use the formula: (Volume in mL * Drop factor) / Time in
minutes.

For 1 L of lactated Ringer's IV, which is 1000 mL, to be infused over 12 hours, with an IV administration set that delivers 15 gtt/mL, the calculation would be: (1000 mL * 15 gtt/mL) / (12 hours * 60 minutes/hour).

This simplifies to (15000 gtt) / (720 minutes), which equals approximately 20.83 gtt/min.

Therefore, the nurse should regulate the infusion to 21 gtt/min, rounding to the nearest whole
number.

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Naxlex Comprehensive Predictor Exams

The healthcare provider prescribes the antibiotic cefdinir 300 mg PO every 12 hours for a client with a postoperative wound infection. Which foods should the nurse encourage this client to eat?

Correct Answer is C

Explanation

A client receives a prescription for 1 L of lactated Ringer's IV to be infused over 12 hours. The IV administration set delivers 15 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)

Correct Answer is ["21"]

Explanation

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