A client is ordered to receive a bolus of 200 mL of NSS in 25 minutes. At what rate should the nurse set the IV pump?

Answer and Explanation

The Correct Answer is ["480"]

To calculate the infusion rate, you need to determine the total volume to be infused and the time over which it will be infused.

Total volume to be infused = 200 mL

Time for infusion = 25 minutes

Infusion rate = Total volume / Time Infusion rate = 200 mL / 25 minutes = 8 mL/min

To convert this to mL/hour (since infusion pumps are typically set in mL/hour): Infusion rate = 8 mL/min × 60 minutes/hour = 480 mL/hour

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Correct Answer is B

Explanation

A. increased fluid in the pericardial sac: While fluid accumulation can affect heart sounds, it typically leads to muffled heart sounds rather than a loud murmur. Increased fluid in the pericardial sac (pericardial effusion) usually does not produce a classic heart murmur.

B. dysfunction of one or more heart valves: This statement is correct. Heart murmurs are often caused by turbulence in blood flow due to the dysfunction of heart valves, such as stenosis (narrowing) or regurgitation (leaking). A loud murmur suggests significant turbulence, which is often indicative of valvular heart disease.

C. an aneurysm of the descending aorta: While an aortic aneurysm can cause other types of heart sounds or signs of cardiovascular compromise, it is not primarily associated with heart murmurs.

D. an occlusion of the right coronary artery: An occlusion may lead to ischemia or myocardial infarction, which can cause changes in heart sounds, but it does not directly cause a heart murmur. Murmurs are more specifically related to blood flow dynamics, particularly involving valves.

Correct Answer is ["116"]

Explanation

To calculate the infusion rate, we'll follow these steps:

Determine the total volume to be administered:

8 mL (drawn from the vial) + 50 mL (dilution with NSS) = 58 mL

Calculate the infusion rate:

58 mL ÷ 30 minutes = 1.93 mL/minute

Convert mL/minute to mL/hour:

1.93 mL/minute × 60 minutes/hour = 116 mL/hour

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A client is ordered to receive a bolus of 200 mL of NSS in 25 minutes. At what rate should the nurse set the IV pump?

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Naxlex Comprehensive Predictor Exams

The nurse auscultates a loud heart murmur while performing a cardiac assessment on a client. The nurse is aware that a heart murmur reflects:

Correct Answer is B

Explanation

Correct Answer is ["116"]

Explanation

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