A nurse is caring for a client who has anxiety and a prescription for oral lorazepam PRN. Which of the following is the correct way to transcribe the prescription into the electronic medical record?

Lorazepam 2.5mg PO qhs before bed

Lorazepam 2.5 mg PO QD at hs

Lorazepam 2.5 mg PO every 8 hours as needed for anxiety

Lorazepam 2.50 mg PO Q 8 hours for anxiety

Answer and Explanation

The Correct Answer is C

A. Lorazepam 2.5mg PO qhs before bed: This transcription suggests a fixed dose to be taken before bed (qhs = every bedtime), which does not align with the "as needed" or PRN (pro re nata) instruction for anxiety.

B. Lorazepam 2.5 mg PO QD at hs: This suggests that the medication should be taken once daily (QD) at bedtime (hs = at hour of sleep), which again is not appropriate for as-needed (PRN) use in anxiety.

C. Lorazepam 2.5 mg PO every 8 hours as needed for anxiety: This transcription correctly indicates that the lorazepam is to be taken as needed for anxiety, with a dose of 2.5 mg. However, this also suggests it can be taken every 8 hours, which is more of a standard timing than PRN use. But, it is still the most accurate option for a PRN order.

D. Lorazepam 2.50 mg PO Q 8 hours for anxiety: This prescription is incorrect because it implies the medication should be taken every 8 hours regardless of need, which conflicts with the as-needed (PRN) nature of the order.

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Correct Answer is B

Explanation

When caring for a client receiving heparin by continuous IV infusion for the treatment of venous thrombosis, the nurse should monitor the client's aPTT (Activated Partial Thromboplastin Time) to titrate the heparin dose.

Heparin is an anticoagulant medication used to prevent and treat blood clots. The aPTT is a coagulation test that measures the time it takes for the blood to clot when a specific activator is added. Monitoring the aPTT is a standard method for assessing the anticoagulant effect of heparin and ensuring that the client's blood remains within the desired therapeutic range.

The therapeutic range for aPTT while on heparin therapy varies depending on the indication and the client's condition but is generally maintained at a level that prolongs the clotting time enough to prevent and treat thrombosis while avoiding excessive bleeding risk.

Let's go through the other options:

A. Platelet function assay: While monitoring platelet function is essential for assessing overall hemostasis and platelet function, it is not specifically used for titrating heparin doses. Platelet function assays are more commonly used to assess the function of platelets in the context of platelet disorders or antiplatelet medication therapy.

C. INR (International Normalized Ratio): The INR is used to monitor the effect of vitamin K antagonist anticoagulants, such as warfarin, and is not the appropriate test for monitoring heparin therapy.

D. Amylase: Amylase is an enzyme produced by the pancreas and salivary glands and is not relevant for monitoring heparin therapy. Elevated amylase levels are typically associated with pancreatitis and not related to heparin treatment.

Correct Answer is ["0.12"]

Explanation

To calculate the rate at which the IV pump should be set to deliver dopamine, we need to determine the total amount of dopamine in the infusion and divide it by the desired dose per minute.

Given:

Dopamine concentration: 400 mg in 250 mL

Desired dose: 5 mcg/kg/min

Patient weight: 220 lb

First, we need to convert the patient's weight from pounds to kilograms:

220 lb ÷ 2.2 = 100 kg

Next, we need to calculate the total amount of dopamine needed per minute:

5 mcg/kg/min × 100 kg = 500 mcg/min

Now, we need to convert the dopamine dose from mcg to mg:

500 mcg/min ÷ 1000 = 0.5 mg/min

To determine the infusion rate in mL/hr, we divide the dose in mg/min by the dopamine concentration in the infusion solution:

0.5 mg/min ÷ 250 mL = 0.002 mL/min

Finally, we convert the infusion rate from mL/min to mL/hr by multiplying by 60:

0.002 mL/min × 60 min = 0.12 mL/hr

Therefore, the nurse should set the IV pump to deliver 0.12 mL/hr.

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A nurse is caring for a client who has anxiety and a prescription for oral lorazepam PRN. Which of the following is the correct way to transcribe the prescription into the electronic medical record?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is receiving heparin by continuous IV infusion for treatment of venous thrombosis. Which of the following laboratory values should the nurse monitor for in order to titrate the heparin dose?

Correct Answer is B

Explanation

Correct Answer is ["0.12"]

Explanation

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