The normal PR interval is:

0.04-0.20 seconds

0.12-0.20 seconds

Less than half the R-to-R ratio

0.08-0.10 seconds

Answer and Explanation

The Correct Answer is B

Choice A reason: A PR interval of 0.04-0.20 seconds is too broad and includes values that are both below and above the normal range.

Choice B reason: A PR interval of 0.12-0.20 seconds is the established normal range for adults, reﬂecting proper conduction through the AV node.

Choice C reason: The PR interval being less than half the R-to-R ratio is not a standard measurement for PR intervals and does not provide a specific range.

Choice D reason: A PR interval of 0.08-0.10 seconds is below the normal range and may suggest pre-excitation or an AV nodal (junctional) rhythm.

Nursing Test Bank

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Correct Answer is C

Explanation

Choice A reason: The recovery position is not typically recommended for patients with acute pulmonary edema as it does not facilitate optimal breathing.

Choice B reason: The prone position is not generally recommended for acute pulmonary edema as it may not aid in improving oxygenation or breathing.

Choice C reason: The sitting up position, especially at an angle of 45 degrees or greater, is recommended for patients with acute pulmonary edema as it helps to facilitate breathing and decrease venous return to the heart.

Choice D reason: The Trendelenburg position is not recommended for acute pulmonary edema as it can increase the pressure in the chest and worsen breathing difficulties.

A. Record the client's intake and output. B. Perform passive range of motion on each extremity. C. Suction saliva from the client's mouth. D. Monitor the client's electrolyte levels.

Correct Answer is C

Explanation

Choice A reason: Recording the client's intake and output is important but not the highest priority in an unconscious patient following a cerebral hemorrhage.

Choice B reason: Performing passive range of motion exercises is a lower priority compared to maintaining a patent airway.

Choice C reason: Suctioning saliva from the client's mouth is the highest priority to maintain airway patency and prevent aspiration, which is critical for an unconscious patient.

Choice D reason: Monitoring the client's electrolyte levels is important but secondary to immediate life-saving interventions such as maintaining airway patency.

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The normal PR interval is:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A recommended position for a patient in acute pulmonary edema is:

Correct Answer is C

Explanation

A nurse is caring for a client who is unconscious following a cerebral hemorrhage. Which of the following nursing interventions is of the highest priority?

Correct Answer is C

Explanation

Which finding for a patient admitted with glomerulonephritis indicates to the nurse that treatment has been eﬀective?

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