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A client receives a prescription for dalteparin 2500 units subcutaneously 2 hours before a scheduled procedure. The medication is available in a 5000 units/0.2 mL prefilled syringe. How many mL should the nurse administer? (Enter numeric value only)

Answer and Explanation

The Correct Answer is ["0.1"]

To find out how many mL of dalteparin are needed for 2500 units, we need to use a proportion formula:

- (units of dalteparin)/(mL of dalteparin) = (units of dalteparin prescribed)/(mL of dalteparin needed)

- We can plug in the values that we know into the formula:

- (5000 units)/(0.2 mL) = (2500 units)/(x mL)

- We can cross-multiply and solve for x:

- 5000x = 2500 x 0.2

- x = (2500 x 0.2)/5000

- x = 0.1

- Therefore, the nurse should administer 0.1 mL of dalteparin to deliver 2500 units of the medication.

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Correct Answer is D

Explanation

Choice A reason: Assessing for orthostatic hypotension before administering the dose is not necessary, as labetalol does not cause orthostatic hypotension. Orthostatic hypotension is a condition where the blood pressure drops significantly when changing positions from lying to sitting or standing. Labetalol is a beta-blocker that lowers blood pressure by reducing the heart rate and cardiac output.

Choice B reason: Administering the dose and monitoring the client's B/P regularly is not appropriate, as labetalol may cause further bradycardia (slow heart rate) in this client. The client's heart rate is already below normal (48 beats/minute), which may indicate that labetalol is overdosed or contraindicated. Bradycardia can lead to decreased perfusion, dizziness, fatigue, and fainting.

Choice C reason: Applying a telemetry monitor before administering the dose is not sufficient, as labetalol may cause serious cardiac arrhythmias (irregular heart rhythms) in this client. The client's heart rate is already below normal (48 beats/minute), which may indicate that labetalol is affecting the electrical conduction system of the heart. Arrhythmias can cause palpitations, chest pain, shortness of breath, and cardiac arrest.

Choice D reason: Withholding the scheduled dose and notifying the healthcare provider is the best action for the nurse to take in this situation. The client's heart rate is already below normal (48 beats/minute), which may indicate that labetalol is causing adverse effects or interactions with other medications. The healthcare provider should be informed of the client's vital signs and medication history, and decide whether to adjust or discontinue labetalol.

A. Diarrhea. B. Involuntary movements. C. Nausea. D. Unusual irritability.

Correct Answer is B

Explanation

Choice A reason: Diarrhea is a common side effect of metoclopramide, but it is not life-threatening or indicative of a serious reaction. The nurse should monitor the client's fluid and electrolyte status and provide supportive care.

Choice B reason: Involuntary movements, such as twitching, grimacing, or spasms, are signs of a rare but serious condition called tardive dyskinesia, which can be caused by metoclopramide. This condition can be irreversible and disabling, so the nurse should report it immediately and stop the medication.

Choice C reason: Nausea is the reason why the client is receiving metoclopramide, which is an antiemetic drug. If the client still experiences nausea, the nurse should assess the effectiveness of the medication and notify the prescriber if needed.

Choice D reason: Unusual irritability is not a common or serious side effect of metoclopramide. It may be related to other factors, such as stress, pain, or fatigue. The nurse should provide emotional support and reassurance to the client.

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A client receives a prescription for dalteparin 2500 units subcutaneously 2 hours before a scheduled procedure. The medication is available in a 5000 units/0.2 mL prefilled syringe. How many mL should the nurse administer? (Enter numeric value only)

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Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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