A patient who has neurogenic shock is receiving a dobutamine infusion through a right forearm IV. Which assessment finding obtained by the nurse indicates a need for immediate action?

The patient's IV infusion site is cool and pale.

The patient's extremities are warm and dry.

The patient's urine output is 28 ml, over the past hour.

The patient's heart rate is 58 beats/min.

Answer and Explanation

The Correct Answer is A

A. In a patient receiving a dobutamine infusion, which is a vasopressor medication used to increase cardiac output, a cool and pale IV infusion site could indicate inadequate perfusion despite treatment. This finding requires immediate action to assess the patient's hemodynamic status and ensure adequate tissue perfusion.

B. Warm and dry extremities are typically indicative of adequate tissue perfusion. In neurogenic shock, vasodilation can lead to warm extremities due to decreased systemic vascular resistance. While this finding may be expected in neurogenic shock, it does not necessarily indicate a need for immediate action if other parameters are stable.

C. Decreased urine output can be indicative of inadequate renal perfusion and impaired kidney function. In a patient with neurogenic shock, maintaining adequate renal perfusion is crucial to prevent acute kidney injury. While decreased urine output warrants close monitoring and intervention, it may not require immediate action unless other signs of worsening perfusion are present.

D. A heart rate of 58 beats/min may be within the normal range for some patients, especially those who are receiving dobutamine, which can have a chronotropic effect. However, in the context of neurogenic shock, bradycardia may indicate a compensatory response to hypotension and decreased tissue perfusion. While bradycardia alone may not always require immediate action, it should prompt further assessment of the patient's hemodynamic status and response to treatment.

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Correct Answer is D

Explanation

D. A drop in oxygen saturation may indicate inadequate oxygenation, which could be due to airway obstruction or retained secretions.

A. While audible expiratory wheezes may indicate airway obstruction or secretions, they do not necessarily indicate the need for suctioning in a patient receiving mechanical ventilation.

B. An elevated respiratory rate may suggest increased work of breathing, which could be due to retained secretions or airway obstruction. However, an elevated respiratory rate alone may not always indicate the need for suctioning.

C. The timing of the last suctioning episode is an important consideration when determining the need for suctioning. However, it should not be the sole indicator for when to suction.

A. Nitroglycerin B. Metoprolol C. Furosemide D. Epinephrine

Correct Answer is A

Explanation

A. Nitroglycerin is a vasodilator commonly used to reduce preload and afterload in critical care settings. By dilating blood vessels, nitroglycerin decreases systemic vascular resistance (afterload), which reduces the workload on the heart and improves cardiac output. It is often used to manage conditions such as acute heart failure, hypertensive emergencies, and acute coronary syndromes.

B. Metoprolol is a beta-blocker that primarily acts to reduce heart rate and myocardial contractility. While it can indirectly reduce afterload by lowering blood pressure, its primary mechanism of action is not targeted at afterload reduction. Metoprolol is commonly used in critical care for various indications, including hypertension, myocardial infarction, and heart failure, but it is not primarily used for afterload reduction.

C. Furosemide is a loop diuretic commonly used to manage volume overload and reduce preload in critical care settings. By promoting diuresis, furosemide decreases circulating blood volume, venous return, and preload, which indirectly reduces afterload. However, its primary mechanism of action is not targeted at afterload reduction but rather at reducing volume overload.

D. Epinephrine is a potent sympathomimetic agent that acts on alpha and beta-adrenergic receptors. While it can increase systemic vascular resistance (afterload) at higher doses due to its alpha-adrenergic effects, it is not commonly used for afterload reduction in critical care settings. Epinephrine is primarily used as a vasopressor to increase blood pressure and cardiac output in patients with shock or cardiac arrest.

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A patient who has neurogenic shock is receiving a dobutamine infusion through a right forearm IV. Which assessment finding obtained by the nurse indicates a need for immediate action?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which assessment finding by the nurse caring for a patient receiving mechanical ventilation indicates the need for suctioning?

Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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