A nurse is preparing to administer cefazolin 250 mg IM to a client. Available is cefazolin powder for injection 500 mg vial. The nurse reconstitutes the powder with 2 mL of sterile water for a concentration of 225 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["1.1"]

To calculate the dosage of cefazolin, the nurse needs to use the formula D/H x Q, where D is the desired dose, H is the dose on hand, and Q is the quantity.

In this case, D is 250 mg, H is 225 mg/mL, and Q is 1 mL.

Plugging these values into the formula, we get:

250 mg / 225 mg/mL x 1 mL = 1.11 mL

Therefore, the nurse should administer 1.1 mL of cefazolin IM to the client.

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Free Nursing Study Resources

Correct Answer is B

Explanation

A. Over-the-counter oral preparations can be taken with this medication.

This statement is not accurate. Alendronate should be taken on an empty stomach, 30 minutes before any other oral medications, food, or drinks (except water).

B. Choose the same day of each week to take this medication.

This is the correct interpretation. Taking alendronate on the same day each week helps establish a routine and ensures consistent administration.

C. Take the medication at 1800, 30 min after the evening meal.

This is not correct. Alendronate should be taken in the morning, upon waking, with a full glass of water, and should be followed by 30 minutes of remaining upright.

D. The client can return to bed after taking the medication, but before eating.

This is not correct. After taking alendronate, the client should remain upright for at least 30 minutes to prevent esophageal irritation and optimize absorption. Returning to bed before eating is not recommended.

Correct Answer is ["0.5"]

Explanation

To calculate the dosage of chlorpromazine for a client, the nurse needs to use the formula D/H x V, where D is the desired dose, H is the dose on hand, and V is the volume on hand.

In this case, D is 12.5 mg, H is 25 mg, and V is 1 mL. Plugging these values into the formula, we get:

12.5 mg / 25 mg x 1 mL = 0.5 mL

The nurse should administer 0.5 mL of chlorpromazine to the client.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

A nurse is preparing to administer chlorpromazine 12.5 mg IM to a client. Available is chlorpromazine 25 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.5"]

Explanation

A nurse is preparing to administer phenytoin 200 mg PO to a client. Available is phenytoin oral suspension 125 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is teaching a newly hired nurse about documentation in the medical record. Which of the following abbreviations should the newly hired nurse identify as a metric unit of weight?

A nurse is preparing to administer promethazine 25 mg PO to a client. Available is promethazine 12.5 mg tablets. How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer magnesium hydroxide 2 tbsp PO. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer methylprednisolone acetate 60 mg IM. Available is methylprednisolone acetate injection 80 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer gentamicin 1 mg/kg IM to a client who weighs 154 lb. Available is gentamicin solution 40 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer phenytoin 200 mg PO to a client. Available is phenytoin oral suspension 125 mg/5 mL. How many ml. should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)