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.

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Correct Answer is D

Explanation

Choice A reason: While it is useful to know the patient's current pain management strategies, new onset severe back pain could indicate a serious complication such as a spinal fracture or compression, which requires immediate attention.

Choice B reason: Reassuring the patient is not appropriate without further assessment, as new onset severe pain could signify a serious issue that needs to be addressed.

Choice C reason: Suggesting a back brace may be part of the management plan, but it should not precede notifying the healthcare provider of new severe pain.

Choice D reason: Notifying the healthcare provider is the correct action because new onset severe back pain in a patient with multiple myeloma could indicate a serious condition such as a spinal fracture or compression, which requires prompt evaluation and treatment.

A. Show the patient that her leg is gone B. Administer the prescribed pain medication C. Explain and educate the patient that the pain is real D. Tell the patient that it is not possible to feel pain in her toes

Correct Answer is B

Explanation

Choice A reason: Showing the patient that her leg is gone does not address the immediate concern of pain management.

Choice B reason: Administering the prescribed pain medication is the first step in managing phantom pain, which is a common experience for amputees.

Choice C reason: While it is important to validate the patient's experience of pain, the first action should be to address the pain medically.

Choice D reason: Telling the patient that it is not possible to feel pain in her toes is incorrect and dismissive of the phenomenon of phantom pain.

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The normal PR interval is:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient with multiple myeloma calls the home health nurse complaining of severe back pain of new onset. The appropriate response by the nurse is to do which of the following?

Correct Answer is D

Explanation

A client in the PACU with a left below-the-knee amputation complains of pain in her left big toe. Which of the following would the nurse do first?

Correct Answer is B

Explanation

Which action should the nurse take first when a patient is seen in the outpatient clinic with neck pain?

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