What is the purpose of a hemodynamic monitoring system?

To monitor the client's respiratory status and oxygen saturation

To evaluate the client's renal function and electrolyte balance

To monitor the client's neurological status and intracranial pressure

To measure and assess the client's cardiovascular status and function

Answer and Explanation

The Correct Answer is D

Choice A Reason:
Monitoring the client's respiratory status and oxygen saturation is important but not the primary purpose of a hemodynamic monitoring system. Hemodynamic monitoring focuses on the cardiovascular system, including parameters like cardiac output, stroke volume, and systemic vascular resistance.

Choice B Reason:
Evaluating the client's renal function and electrolyte balance is crucial in overall patient care but is not the main focus of hemodynamic monitoring. Hemodynamic monitoring systems are designed to assess cardiovascular function rather than renal function.

Choice C Reason:
Monitoring the client's neurological status and intracranial pressure is essential in certain clinical situations, such as traumatic brain injury. However, this is not the primary purpose of hemodynamic monitoring, which is centered on cardiovascular assessment.

Choice D Reason:
The primary purpose of a hemodynamic monitoring system is to measure and assess the client's cardiovascular status and function. This includes monitoring parameters such as blood pressure, cardiac output, and tissue perfusion to ensure adequate organ perfusion and guide treatment decisions.

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Correct Answer is ["0.2"]

Explanation

Step-by-Step Calculation:

Step 1: Convert the client's weight from pounds to kilograms.

220 lbs ÷ 2.2 = 100 kg

Result = 100 kg

Step 2: Calculate the concentration of Lidocaine in mcg/mL.

750 mg × 1000 = 750,000 mcg

Result = 750,000 mcg

750,000 mcg ÷ 500 mL = 1500 mcg/mL

Result = 1500 mcg/mL

Step 3: Calculate the infusion rate in mcg/min.

5 mcg/min (prescribed dose)

Result = 5 mcg/min

Step 4: Calculate the infusion rate in mcg/hr.

5 mcg/min × 60 min/hr = 300 mcg/hr

Result = 300 mcg/hr

Step 5: Calculate the infusion rate in mL/hr.

300 mcg/hr ÷ 1500 mcg/mL = 0.2 mL/hr

Result = 0.2 mL/hr

Final Results:

- Infusion rate: 5 mcg/min

- Infusion rate: 300 mcg/hr

- Infusion rate: 0.2 mL/hr

A. First-degree heart block B. Atrial fibrillation C. Ventricular tachycardia D. Sinus bradycardia

Correct Answer is ["B","C"]

Explanation

Choice A Reason:
First-degree heart block is a condition where the electrical signals in the heart are delayed but still reach the ventricles. It is generally considered benign and does not typically lead to heart failure. It is often asymptomatic and discovered incidentally on an ECG.

Choice B Reason:
Atrial fibrillation (AFib) is a common arrhythmia associated with heart failure. AFib causes the atria to beat irregularly and often rapidly, which can lead to poor blood flow and increased risk of stroke. In heart failure patients, AFib can exacerbate symptoms and worsen the prognosis due to the loss of atrial contraction and irregular ventricular response.

Choice C Reason:
Ventricular tachycardia (VT) is a serious arrhythmia that is often associated with heart failure. VT originates in the ventricles and can lead to hemodynamic instability and sudden cardiac death if not treated promptly. It is a common complication in patients with heart failure and cardiomyopathy.

Choice D Reason:
Sinus bradycardia is a slower than normal heart rate, typically less than 60 beats per minute. While it can occur in healthy individuals, especially athletes, it is not specifically associated with heart failure. In some cases, severe bradycardia can lead to symptoms of heart failure, but it is not a primary arrhythmia linked to the condition.

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What is the purpose of a hemodynamic monitoring system?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The physician orders a Lidocaine drip to infuse at 5 mcg/min. The drug is available as 750 mg in 500 mL of fluid. The client weighs 220 pounds. Calculate mcg/min, mcg/hr, and mL/hr.

Correct Answer is ["0.2"]

Explanation

Which of the following arrhythmias is associated with heart failure?

Correct Answer is ["B","C"]

Explanation

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