Which of the following is a common cause of cardiogenic shock?

Anaphylaxis

Hypovolemia

Pulmonary embolism

Myocardial infarction

Answer and Explanation

The Correct Answer is D

D. Myocardial infarction (heart attack) is a common cause of cardiogenic shock. In myocardial infarction, part of the heart muscle becomes ischemic or necrotic due to occlusion of a coronary artery. This leads to impaired cardiac function and reduced cardiac output, resulting in cardiogenic shock. Prompt recognition and treatment of myocardial infarction are crucial to prevent or manage cardiogenic shock.
A. Anaphylaxis is a severe allergic reaction that can lead to systemic vasodilation and distributive shock, but it is not a common cause of cardiogenic shock. In anaphylaxis, the primary mechanism of shock is typically related to widespread vasodilation and increased vascular permeability rather than impaired cardiac function.
B. Hypovolemic shock occurs due to a decrease in intravascular volume, leading to inadequate tissue perfusion. It is not a common cause of cardiogenic shock, as the underlying mechanism is different. In hypovolemic shock, the primary issue is the loss of circulating blood volume, whereas cardiogenic shock involves impaired cardiac function.
C. Pulmonary embolism can lead to acute right heart strain or failure, which may result in hemodynamic instability and shock. However, pulmonary embolism typically causes obstructive shock rather than cardiogenic shock. Obstructive shock occurs when blood flow is obstructed, such as by a pulmonary embolism, leading to reduced cardiac output.

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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.

A. Remove clothing for a thorough assessment. B. Determine effectiveness of ventilator efforts. C. Open the airway using a jaw-thrust maneuver. D. Establish IV access. E. Perform a Glasgow Coma Scale assessment.

Correct Answer is ["A","B","C","D","E"]

Explanation

First, the nurse should open the airway using a jaw-thrust maneuver (C) to ensure it is not obstructed. Next, they should determine the effectiveness of ventilatory efforts (B), as breathing is critical and any compromise must be addressed immediately. Following this, establishing IV access (D) is important for fluid resuscitation and medication administration. The nurse should then perform a Glasgow Coma Scale assessment (E) to determine the level of consciousness and neurological function. Lastly, removing clothing for a thorough assessment (A) is essential, but only after the critical steps concerning airway, breathing, circulation, and disability have been addressed.

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Which of the following is a common cause of cardiogenic shock?

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Naxlex Comprehensive Predictor Exams

Which of the following medications is commonly used for afterload reduction in critical care?

Correct Answer is A

Explanation

A nurse is conducting a primary survey of a client who has sustained life-threatening injuries due to a motor-vehicle crash. Identify the sequence of actions the nurse should take. (Move the actions into the box on the right, placing them in the selected order of performance. Use all the steps.)

Correct Answer is ["A","B","C","D","E"]

Explanation

Which information about a patient who is receiving cisatracurium (Nimbex) to prevent asynchronous breathing with the positive pressure ventilator requires action by the nurse?

A nurse is caring for a client who has a cardiopulmonary arrest. The nurse anticipates the emergency response team will administer which of the following medications if the client's restored rhythm is symptomatic bradycardia?

When admitting a patient with possible respiratory failure and a high PaCO2, which assessment information should be immediately reported to the health care provider?

A patient who has been involved in a motor vehicle crash arrives in the emergency department (ED) with cool, clammy skin; tachycardia; and hypotension. Which intervention prescribed by the health care provider should the nurse implement first?

A nurse is caring for a client who reports heart palpitations. An ECG confirms the client is experiencing ventricular tachycardia (VT). The nurse should anticipate the need for taking which of the following actions?

The rapid response team (RRT) is caring for a client with asystole. Which nursing statement made to the client's family about the actions of the RRT is appropriate?