The charge nurse is teaching a group of telemetry nurses about cardioversion. Which statement by the telemetry nurse would indicate that they understand the instruction about the electrical discharge?

It occurs immediately when buttons depressed.

It requires a higher amount of joules than is used in defibrillation.

It discharges during ventricular depolarization of the heart.

It is programmed to occur in non-sync mode.

Answer and Explanation

The Correct Answer is C

A. It occurs immediately when buttons depressed: The device synchronizes with the R wave and does not deliver the shock immediately.

B. It requires a higher amount of joules than is used in defibrillation: Cardioversion typically requires fewer joules compared to defibrillation.

C. It discharges during ventricular depolarization of the heart: Synchronized cardioversion times the electrical shock with the R wave (ventricular depolarization) to avoid delivering energy during the T wave, which could induce ventricular fibrillation.

D. It is programmed to occur in non-sync mode: Cardioversion must be synchronized; non-sync mode is used in defibrillation.

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Correct Answer is B

Explanation

A. Inability to see objects on one side of the visual field: This describes hemianopsia, not apraxia.

B. Inability to perform a previously learned action: Apraxia is the loss of the ability to perform skilled movements or gestures despite having the desire and physical ability to do so.

C. Inability to repeat a simple sentence: This describes aphasia, specifically expressive or receptive aphasia.

D. Inability to hear from the ear on the affected side: This describes hearing loss, which is unrelated to apraxia.

A. Hypothermia B. Calcium channel blockers medications C. Athletic conditioning D. Beta-blocker medications E. Hyperthyroidism

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

Explanation

A. Hypothermia: Hypothermia can slow the heart rate, leading to bradycardia.

B. Calcium channel blockers medications: These medications can slow the conduction through the AV node, causing bradycardia.

C. Athletic conditioning: Athletes often have a lower resting heart rate due to increased parasympathetic tone, which can lead to sinus bradycardia.

D. Beta-blocker medications: Beta-blockers decrease heart rate by blocking the effects of adrenaline on the heart.

E. Hyperthyroidism: Hyperthyroidism usually leads to tachycardia, not bradycardia, due to increased metabolism.

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The charge nurse is teaching a group of telemetry nurses about cardioversion. Which statement by the telemetry nurse would indicate that they understand the instruction about the electrical discharge?

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