A nurse is teaching an ACLS class and is discussing heart rhythms and treatment. Which of the following rhythms would indicate the need for defibrillation?

Atrial fibrillation

Supraventricular tachycardia

Asystole

Ventricular fibrillation

Answer and Explanation

The Correct Answer is D

Choice A reason:Atrial fibrillation is not typically treated with defibrillation; it is usually managed with medication or other forms of rhythm control.

Choice B reason:Supraventricular tachycardia does not usually require defibrillation; it may be treated with vagal maneuvers or medication.

Choice C reason:Asystole, or the absence of a heartbeat, is not treated with defibrillation as there is no electrical activity to reset.

Choice D reason:Ventricular fibrillation is a life-threatening heart rhythm that requires immediate defibrillation to restore a normal heart rhythm.

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Correct Answer is D

Explanation

Choice A reason: Morphine is used to manage pain and anxiety after the initial acute phase of an MI.

Choice B reason: Aspirin is used in the initial treatment of MI to prevent further clot formation but is not primarily for pain and anxiety management.

Choice C reason: Oxygen is administered during the acute phase of an MI if the patient is hypoxic.

Choice D reason: Nitroglycerin is used to manage chest pain in MI but is not the primary medication for general pain and anxiety post-acute phase.

A. "Both heparin and warfarin work together to dissolve the clots." B. "Warfarin takes several days to work, so the IV heparin will be used until the warfarin reaches a therapeutic level." C. "The IV heparin increases the effects of the warfarin and decreases the length of your hospital stay." D. "I will call the provider to get a prescription for discontinuing the IV heparin today."

Correct Answer is B

Explanation

Choice A reason: Heparin and warfarin do not work together to dissolve clots. Heparin acts quickly to prevent further clotting, while warfarin is used for long-term anticoagulation.

Choice B reason: Warfarin's onset of action is slow, requiring several days to reach therapeutic levels. During this time, heparin is used to provide immediate anticoagulation to prevent new clot formation or the growth of existing clots.

Choice C reason: IV heparin does not increase the effects of warfarin. They are used concurrently because of the delay in warfarin's onset of action.

Choice D reason: It is not appropriate to discontinue heparin immediately after starting warfarin due to the delay in warfarin reaching therapeutic levels. The overlap is necessary to ensure continuous anticoagulation.

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A nurse is teaching an ACLS class and is discussing heart rhythms and treatment. Which of the following rhythms would indicate the need for defibrillation?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse in an emergency department is planning care for a client who is having an acute myocardial infarction (MI). Which of the following medications should the nurse plan to administer after the initial acute phase to manage the client's pain and anxiety?

Correct Answer is D

Explanation

Correct Answer is B

Explanation

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