The nurse is educating a patient's family member about a central venous pressure catheter (CVP). Which statement by the family member best indicates understanding of the purpose of the CVP?

"The catheter will be in position until the heart has a chance to heal."

The catheter will allow the provider to better manage fluid therapy."

"The catheter tip comes to rest inside my brother's left ventricle."

"The catheter will provide multiple IV sites to give intravenous fluid."

Answer and Explanation

The Correct Answer is B

A. While a CVP catheter might be in place for an extended period, its purpose is not directly related to heart healing.

B. The CVP catheter is used to monitor central venous pressure, which helps guide fluid management and assess right heart function.

C. The CVP catheter does not extend into the left ventricle; it is typically positioned in the superior vena cava or right atrium.

D. The CVP catheter may have multiple lumens for administering fluids, but its primary purpose is hemodynamic monitoring, not just providing IV access.

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Correct Answer is B

Explanation

A. Obtaining a stat chest x-ray is important if catheter misplacement is suspected, but in this situation, ensuring the accuracy of the pressure reading through proper leveling and zeroing is the priority.
B. Zero referencing and leveling the catheter at the phlebostatic axis is essential to ensure accurate readings of the pulmonary artery pressure, which is critical for patient assessment and management.
C. Increasing supplemental oxygen is unnecessary given the patient’s stable oxygen saturation and normal respiratory status.
D. While notifying the provider is important, ensuring the accuracy of the pressure reading by leveling and zeroing the catheter should be done first.

A. Depressed ST-segment on ECG and elevated total CPK B. Depressed ST-segment on ECG and normal cardiac enzymes C. ST-segment elevation on ECG and elevated CK-MB or troponin levels D. Q wave on ECG with normal enzymes and troponin levels

Correct Answer is C

Explanation

A. A depressed ST-segment is often associated with ischemia or non-ST elevation myocardial infarction (NSTEMI), not an ongoing MI.

B. A depressed ST-segment with normal cardiac enzymes suggests ischemia rather than an active MI.

C. ST-segment elevation on ECG combined with elevated cardiac biomarkers such as CK-MB or troponin levels is a hallmark of an acute ST-segment elevation myocardial infarction (STEMI), indicating an ongoing MI.

D. A Q wave on ECG indicates an old infarction and is not associated with an acute MI if enzymes and troponin levels are normal.

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The nurse is educating a patient's family member about a central venous pressure catheter (CVP). Which statement by the family member best indicates understanding of the purpose of the CVP?

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Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

The patient is admitted with a suspected acute myocardial infarction (AMI). In assessing the 12-lead electrocardiogram (ECG) changes, which findings would indicate to the nurse that the patient is in the process of a myocardial infarction (MI)?

Correct Answer is C

Explanation

A client who has coronary artery disease tells the nurse he is afraid of dying from a heart attack. Which of the following responses should the nurse make?

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The nurse is educating a patient's family member about a central venous pressure catheter (CVP). Which statement by the family member best indicates understanding of the purpose of the CVP?