Which determination is the nurse trying to achieve by monitoring a patient's cardiac output?

Presence of cardiac dysrhythmias

Peripheral extremity circulation

Oxygenation requirements

Ventilation status

Answer and Explanation

The Correct Answer is C

A. While monitoring cardiac output can provide insights into heart function, it does not directly determine the presence of dysrhythmias.
B. Peripheral extremity circulation is influenced by cardiac output but is not the primary focus of monitoring it.
C. Cardiac output is essential for determining the heart's ability to meet the body's oxygenation requirements; low cardiac output can lead to inadequate oxygen delivery.
D. Ventilation status refers to the respiratory function and is not directly assessed through cardiac output measurements.

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Correct Answer is C

Explanation

A. Continuing with the injection after seeing blood return increases the risk of injecting into a blood vessel, which is not safe for IM injections.
B. Administering at a slower rate does not address the issue of possible intravascular injection.
C. If blood is aspirated, the correct procedure is to withdraw the needle, dispose of the medication, and prepare a new dose to prevent intravascular administration, as IM injections are meant to be given into muscle tissue, not into a vein.
D. Pulling the needle back slightly is not recommended because it does not ensure that the needle is completely out of the blood vessel.

A. SA node B. AV node C. Bundle of His D. Purkinje fibers

Correct Answer is A

Explanation

A. The P wave represents atrial depolarization, which is initiated by the SA node, the heart's natural pacemaker.
B. The AV node is responsible for conducting impulses from the atria to the ventricles but does not initiate the P wave.
C. The Bundle of His transmits the electrical impulses to the ventricles but is not directly associated with the P wave.
D. Purkinje fibers are involved in ventricular depolarization, which corresponds to the QRS complex, not the P wave.

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Which determination is the nurse trying to achieve by monitoring a patient's cardiac output?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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