A nurse is preparing to administer potassium chloride 40 mEq in dextrose 5% in 0.9% sodium chloride 1,000 mL IV to infuse over 8 hr. The tubing has a drop factor of 15 gtt/mL.
The nurse should set the IV flow rate to deliver how many gtt/min?
(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 ["31"]
To calculate the IV flow rate in drops per minute (gtt/min), we can use the following steps:
Calculate the total number of minutes for the infusion:
8 hours × 60 minutes/hour = 480 minutes
Determine the total number of drops needed for the infusion:
The total volume to be infused is 1000 mL.
The drop factor is 15 gtt/mL.
1000 mL × 15 gtt/mL = 15000 gtt
Calculate the IV flow rate in drops per minute:
15000 gtt ÷ 480 min ≈ 31 gtt/min
Rounding to the nearest whole number, the nurse should set the IV flow rate to deliver 31 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: This choice is correct because captopril is an angiotensin-converting enzyme (ACE) inhibitor that can cause fetal harm or death if used during pregnancy. Captopril can affect the development of the baby's kidneys, lungs, skull, and blood vessels. The nurse should advise the patient to use effective contraception while taking captopril and to inform the provider as soon as possible if she becomes pregnant or plans to become pregnant. The provider may switch the patient to a safer medication for blood pressure control during pregnancy.
Choice B reason: This choice is incorrect because facial swelling is a serious side effect of captopril that may indicate angioedema, a life-threatening allergic reaction that causes swelling of the face, lips, tongue, throat, or airway. The nurse should instruct the patient to stop taking captopril and seek emergency medical attention if she develops facial swelling or any signs of difficulty breathing, such as wheezing, stridor, or cyanosis. Reducing the dose of captopril will not prevent or treat angioedema.
Choice C reason: This choice is incorrect because captopril can be taken with or without food, depending on the patient's preference and tolerance. Food may decrease the absorption of captopril, but this effect is not clinically significant for most patients. The nurse should advise the patient to take captopril at the same time each day, preferably one hour before meals, to maintain consistent blood levels and effects.
Choice D reason: This choice is incorrect because captopril is unlikely to cause anaphylaxis, a severe and potentially fatal allergic reaction that involves multiple organ systems. Anaphylaxis can cause symptoms such as hives, itching, flushing, swelling, nausea, vomiting, diarrhea, abdominal pain, low blood pressure, fast heart rate, and shock. The nurse should instruct the patient to carry an epi pen only if she has a history of anaphylaxis or a severe allergy to another substance. .
Correct Answer is ["0.04"]
Explanation
To calculate the amount of exenatide 10 mcg needed from a concentration of 250 mcg/mL, we can use the following formula:
Amount (mL) = (Desired dose in mcg) / (Concentration in mcg/mL)
Plugging in the values:
Amount (mL) = 10 mcg / 250 mcg/mL
Calculating:
Amount (mL) = 0.04 mL
Rounding to the nearest hundredth:
Amount to administer = 0.04 mL
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