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A nurse is reviewing cardiac rhythms and heart blocks for a critical care course. The nurse is aware that which of the following describes first degree heart block?

The PR interval gets longer then drops.

PR interval greater than 0.20 seconds in duration

There are absent P waves

R-R is irregular

Answer and Explanation

The Correct Answer is B

Rationale:

A. This describes a second-degree heart block, specifically Mobitz Type I (Wenckebach).

B. A PR interval greater than 0.20 seconds is characteristic of first-degree heart block.

C. This describes third-degree heart block, also known as complete heart block.

D. An irregular R-R interval is not specific to first-degree heart block.

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Correct Answer is B

Explanation

Rationale:

A. Hyperkalemia is not typically associated with thiazide diuretics.

B. Cardiac dysrhythmias can occur with thiazide diuretics due to electrolyte imbalances.

C. Seizures are not typically associated with thiazide diuretics.

D. Hypoglycemia is not typically associated with thiazide diuretics.

A. Unable to lie flat B. Feeling fatigued C. Distended neck veins D. Increased appetite E. Weight gain 2 in 24hours F. Worsening Lower extremity edema

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

Explanation

Rationale:

A. Unable to lie flat due to orthopnea is a sign of worsening heart failure.

B. Feeling fatigued is a general symptom of heart failure but can worsen as heart failure progresses.

C. Distended neck veins indicate increased central venous pressure, which is a sign of worsening right-sided heart failure.

D. Increased appetite is not typically associated with worsening heart failure.

E. Weight gain of 2 pounds in 24 hours indicates fluid retention and worsening heart failure.

F. Worsening lower extremity edema is a sign of worsening heart failure.

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A nurse is reviewing cardiac rhythms and heart blocks for a critical care course. The nurse is aware that which of the following describes first degree heart block?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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

Explanation

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