A nurse is reviewing a client's cardiac rhythm strips and notes a constant P-R interval of
0.35 seconds. Which of the following dysrhythmias is the client displaying?
Premature atrial complexes
Complete heart block
Atrial fibrillation
First-degree atrioventricular block
The Correct Answer is D
A. Incorrect. Premature atrial complexes do not typically affect the P-R interval. They are characterized by an early P-wave followed by a QRS complex.
B. Incorrect. Complete heart block is characterized by a dissociation between the P-waves and QRS complexes, resulting in no relationship between atrial and ventricular activity.
C. Incorrect. Atrial fibrillation is characterized by chaotic and irregular atrial activity without distinct P-waves, making the P-R interval irrelevant.
D. Correct. In first-degree atrioventricular block, the P-R interval is prolonged beyond the normal range of 0.12-0.20 seconds. A constant P-R interval of 0.35 seconds indicates a first- degree atrioventricular block.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Correct. In cases where the client is unable to provide informed consent due to incapacitation, the health care surrogate or legally authorized representative should be involved in the decision-making process.
B. Incorrect. While family support is important, the decision for surgery should primarily be based on medical necessity and the best interests of the client.
C. Incorrect. Determining medical necessity is the responsibility of the medical team, not the nurse.
D. Incorrect. Sending the unsigned informed consent form to the risk manager is not a standard nursing responsibility and does not address the issue of informed consent.
Correct Answer is D
Explanation
A. Incorrect. Encouraging the client to lie down in a quiet room is not specifically related to addressing auditory hallucinations.
B. Incorrect. Referring to hallucinations as if they are real can reinforce the client's delusions or hallucinations.
C. Incorrect. Avoiding eye contact can be perceived as dismissive or uninterested.
D. Correct. Asking the client directly about their hallucinations helps assess their content and severity, which is essential for developing an effective plan of care.
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