The practical nurse (PN) is preparing cefazolin 400 mg IM for a client with a gram-positive infection. The available vial is labeled, "Cefazolin 1 gram," and the instructions for reconstitution state, for IM use, add 2 mL sterile water for injection. Total volume after reconstitution is 2.5 mL. After reconstitution, how many mL should be administered to the client? (Enter numeric value only. If rounding is required, round to the whole number, nearest tenths/hundredth).

Answer and Explanation

The Correct Answer is ["1"]

This is the correct answer because the concentration of cefazolin after reconstitution is 1 gram/2.5 mL, which is equivalent to 400 mg/1 mL. Therefore, to administer 400 mg of cefazolin, the PN should draw up 1 mL of the reconstituted solution. This can be calculated using the formula:

Desired dose / Available dose = Volume to administer

400 mg / 1000 mg = x mL / 2.5 mL

x = (400 x 2.5) / 1000

x = 1 mL

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Correct Answer is B

Explanation

Choice A rationale:

The statement, "This medication will shorten the duration of my symptoms," is correct. Oseltamivir is an antiviral medication used to treat influenza, and it can reduce the duration of symptoms when taken early in the course of the illness.

Choice B rationale:

The statement, "This medication will prevent me from spreading the virus to others," is incorrect. While oseltamivir can help reduce the severity and duration of symptoms, it does not prevent the spread of the virus to others. Clients with influenza should still take precautions to avoid transmitting the virus to others.

Choice C rationale:

The statement, "This medication will work best if I start taking it within 48 hours of symptom onset," is correct. Oseltamivir is most effective when started within 48 hours of the onset of symptoms.

Choice D rationale:

The statement, "This medication may cause nausea and vomiting as side effects," is correct. Nausea and vomiting are potential side effects of oseltamivir, and clients should be informed about these possible adverse reactions.

A. A primigravida whose perineal pain has worsened one hour after being medicated. B. A multigravida whose peri-pad is 1/4 saturated with lochia rubra after one hour C. A multigravida complaining of strong afterbirth pains when breastfeeding. D. A primigravida who passed a small clot when she sat up on the edge of the bed.

Correct Answer is A

No explanation

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client is diagnosed with influenza A and is prescribed oseltamivir.Which of the following statements by the client indicates a need for further education?

Correct Answer is B

Explanation

After completing post anesthesia recovery assessments, the registered nurse (RN) asks the practical nurse (PN) to transfer four clients, each two hours post-birth, to the postpartum unit. Which client should the PN ask the RN to reassess prior to transfer?

Correct Answer is A

In formulating the nursing care plan for a client diagnosed with Parkinson's disease, which nursing problem has the highest priority?

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