A nurse is preparing to administer 12 L of lactated Ringer’s IV to infuse over 24 hr. Half of the fluid is to be administered in the first 8 hr. The nurse should set the IV pump to deliver how many mL/hr during the first 8 hr?
(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 ["750"]
To calculate the infusion rate for the first 8 hours, we can use the following formula:
Infusion rate (mL/hr) = (Volume to be infused / Time for infusion)
First, we need to find the volume to be infused in the first 8 hours:
Volume for the first 8 hours = Total volume / 2 = 12 L / 2 = 6 L = 6000 mL
Now we can calculate the infusion rate for the first 8 hours:
Infusion rate = 6000 mL / 8 hr = 750 mL/hr
Therefore, the nurse should set the IV pump to deliver 750 mL/hr during the first 8 hours.
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Related Questions
Correct Answer is ["0.75"]
Explanation
To calculate the volume of morphine injection that the nurse should administer, we can use the following steps:
Determine the volume to be administered:
We have a concentration of 10 mg/mL.
7.5 mg ÷ 10 mg/mL = 0.75 mL
Therefore, the nurse should administer 0.75 mL of morphine injection subcutaneously.
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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