A nurse is checking a patient’s pulse and determines that the rate is irregular. How long should the nurse measure the pulse?
15 seconds and multiply by 4.
30 seconds and multiply by 2.
60 seconds.
45 seconds and multiply by 2.
The Correct Answer is C
Choice A reason: Measuring pulse for 15 seconds and multiplying by 4 assumes a regular rhythm, which is inaccurate for an irregular pulse. Irregular rhythms, such as atrial fibrillation, require longer measurement to capture variability in heartbeats, ensuring an accurate rate. This method risks over- or underestimating the true pulse rate.
Choice B reason: Counting for 30 seconds and multiplying by 2 is insufficient for an irregular pulse, as it may miss variations in heart rate, common in arrhythmias. Accurate assessment of irregular rhythms, like premature ventricular contractions, demands a full minute to account for fluctuations, making this method less reliable.
Choice C reason: Measuring the pulse for 60 seconds is the standard for irregular rhythms, as it captures the full range of heart rate variability. Conditions like atrial fibrillation cause inconsistent beats, and a full minute ensures accuracy in counting, aligning with clinical guidelines for assessing cardiovascular status in such cases.
Choice D reason: Counting for 45 seconds and multiplying by 2 is not a standard practice for irregular pulses. It fails to account for the full variability in heart rate, potentially skewing results in conditions like arrhythmias. A 60-second count is necessary for precision in irregular rhythm assessments.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: A friction rub is a scratching or squeaking sound from inflamed pleural surfaces, persisting throughout the respiratory cycle and unaffected by coughing, as pleural inflammation (e.g., pleurisy) causes consistent friction. Accurate recognition ensures proper reporting, guiding diagnosis and treatment of underlying conditions like pneumonia or pulmonary embolism in respiratory assessments.
Choice B reason: Assuming false is incorrect, as friction rubs indeed persist through the respiratory cycle without clearing by coughing, unlike rhonchi. Misidentifying this risks misdiagnosis, potentially overlooking pleural inflammation needing anti-inflammatory or antibiotic therapy, delaying treatment and increasing complications in patients with respiratory conditions causing friction rubs.
Correct Answer is C
Explanation
Choice A reason: Vital signs are objective, measurable data, not specific to musculoskeletal assessment or subjective experience. Pain, a subjective report, better fits the question. Assuming vital signs are subjective risks misclassifying data, leading to errors in prioritizing patient-reported symptoms like pain, critical for musculoskeletal care planning and intervention.
Choice B reason: Taking NSAIDs is a factual history, not a subjective assessment. Subjective data, like pain severity, reflect patient experience. Assuming medication use is subjective misaligns with assessment principles, risking neglect of patient-reported symptoms like pain, essential for evaluating musculoskeletal conditions and guiding effective pain management strategies.
Choice C reason: Pain rated 7 to 8 is subjective, based on the patient’s personal experience, central to musculoskeletal assessment for conditions like arthritis or injury. This guides pain management, like adjusting NSAIDs. Accurate identification ensures patient-centered care, addressing discomfort and improving function, critical for musculoskeletal health outcomes.
Choice D reason: Grimacing and holding a body part are objective, observable signs, not subjective reports. Pain severity, reported by the patient, is subjective. Assuming grimacing is subjective risks misclassification, potentially overlooking patient-reported pain levels, critical for tailoring interventions like analgesics in musculoskeletal assessment and care planning.
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