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 D

Explanation

Choice A reason: Cleaning with an alcohol-based solution is not recommended as it can be irritating and does not prevent infection.
Choice B reason: Routine irrigation of the catheter is not recommended as it can introduce infection.
Choice C reason: Replacing the catheter routinely every three days is not recommended and can increase the risk of infection.
Choice D reason: Ensuring the catheter tubing is free of kinks, twisting, and dependent loops is important to maintain urine ﬂow and prevent infection.

A. "The last time I voided, it was painful and red-tinged." B. "My period ended 2 days ago." C. "I drink at least 2 quarts of ﬂuid every day." D. "I don't eat shellfish because it gives me hives."

Correct Answer is D

Explanation

Choice A reason: While painful and red-tinged urination is a concern, it is not directly related to the intravenous pyelogram procedure.

Choice B reason: The end of the menstrual period is not relevant to the intravenous pyelogram procedure.

Choice C reason: Drinking ﬂuids is generally encouraged but does not need to be reported unless it is restricted before the procedure.

Choice D reason: The client's allergy to shellfish is important to report because the contrast dye used in an intravenous pyelogram may contain iodine, which can cause a reaction in people with shellfish allergies.

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The normal PR interval is:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has an indwelling urinary catheter. Which of the following actions should the nurse take to prevent infection?

Correct Answer is D

Explanation

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Correct Answer is D

Explanation

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