A nurse is preparing to administer venlafaxine 75 mg/day in two divided doses to a client who has depression. Available are 37.5 mg tablets. How many tablets should the nurse administer with each dose?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1"]
To determine the number of tablets the nurse should administer for each dose, we can use the following calculation:
75 mg/day ÷ 2 doses = 37.5 mg/dose
Since 37.5 mg tablets are available, the nurse should administer 1 tablet with each dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["8"]
Explanation
To calculate the amount of belimumab that the nurse should administer, we can use the following steps:
Convert the patient's weight from pounds to kilograms.
Multiply the patient's weight in kilograms by the dosage of belimumab (10 mg/kg) to find the total dosage required.
Determine the volume of the drug needed using the concentration of the available belimumab solution.
Given:
Patient's weight = 136 lb
Dosage of belimumab = 10 mg/kg
Available concentration of belimumab = 80 mg/mL
Let's calculate step by step:
Convert patient's weight from pounds to kilograms:
Patient's weight in kg = 136 lb × (1 kg / 2.2 lb) ≈ 61.8 kg
Calculate the total dosage required:
Total dosage = 10 mg/kg × 61.8 kg ≈ 618 mg
Determine the volume of the drug needed using the concentration of the available belimumab solution:
Volume of drug = Total dosage / Concentration of belimumab
Volume of drug = 618 mg / 80 mg/mL ≈ 7.7 mL
Rounding to the nearest whole number, the nurse should administer 8 mL of the belimumab.
Correct Answer is D
Explanation
Choice A reason: This is incorrect because a dry cough is not a common or serious side effect of hydralazine. A dry cough is more likely to occur with angiotensin-converting enzyme (ACE) inhibitors, which are another class of antihypertensive drugs.
Choice B reason: This is incorrect because hydralazine does not cause a low heart rate. In fact, hydralazine can cause a reflex increase in heart rate as a result of lowering the blood pressure. This is why hydralazine is often given with a beta-blocker, which can slow down the heart rate.
Choice C reason: This is incorrect because hydralazine does not interact with birth control. However, the nurse should advise the client to use effective contraception while taking hydralazine, as this medication can cause fetal harm if used during pregnancy.
Choice D reason: This is correct because hydralazine can cause orthostatic hypotension, which is a sudden drop in blood pressure when changing positions. This can lead to dizziness, fainting, and falls. The nurse should instruct the client to avoid getting up too quickly and to ask for assistance if needed.
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