A patient’s blood pressure is 90/72 mm Hg. What is the patient’s pulse pressure?
40 mm Hg.
25 mm Hg.
18 mm Hg.
12 mm Hg.
The Correct Answer is C
Choice A reason: Pulse pressure is calculated as systolic (90) minus diastolic (72), equaling 18 mm Hg, not 40. This is incorrect, as it overestimates the pulse pressure, unlike the nurse’s accurate calculation based on the patient’s blood pressure readings.
Choice B reason: A pulse pressure of 25 mm Hg doesn’t match the calculation of 90 minus 72, which is 18 mm Hg. This is incorrect, as it’s inaccurate compared to the nurse’s correct determination of the patient’s pulse pressure from the given values.
Choice C reason: Pulse pressure is systolic (90 mm Hg) minus diastolic (72 mm Hg), equaling 18 mm Hg. This aligns with cardiovascular assessment, making it the correct value the nurse would calculate for the patient’s blood pressure of 90/72 mm Hg.
Choice D reason: A pulse pressure of 12 mm Hg is incorrect, as 90 minus 72 equals 18 mm Hg. This underestimates the value, making it incorrect compared to the nurse’s accurate calculation of the patient’s pulse pressure based on the blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Dry mucosa and thirst suggest dehydration, but hypotension (88/52) is more life-threatening. Low blood pressure requires immediate assessment, making this incorrect, as it’s less urgent than the nurse’s priority to address the client with critical hemodynamic instability.
Choice B reason: A blood pressure of 88/52 mm Hg in a client on IV diuretics indicates severe hypotension, a life-threatening condition requiring immediate assessment. This aligns with prioritization in acute care, making it the correct client for the nurse to assess first post-shift report.
Choice C reason: Nausea, vomiting, and cramps are concerning but less urgent than hypotension (88/52), which risks organ perfusion. Low blood pressure is critical, making this incorrect, as it’s secondary to the nurse’s priority of assessing the client with unstable vitals.
Choice D reason: Normal saline at 150 mL/hr with adequate urine output is stable. Hypotension (88/52) is more critical, making this incorrect, as it’s a lower priority compared to the nurse’s need to assess the client with life-threatening low blood pressure first.
Correct Answer is C
Explanation
Choice A reason: Inverted T waves suggest ischemia but are less specific than troponin I, which confirms myocardial damage in ACS. This is incorrect, as it’s not the most significant finding within 3 hours compared to the nurse’s reliance on biomarkers for diagnosis.
Choice B reason: Peaked T waves indicate hyperkalemia, not ACS, which is diagnosed by troponin elevation. This is incorrect, as it’s unrelated to the nurse’s expected finding for acute coronary syndrome within the first 3 hours of symptom onset.
Choice C reason: Elevated troponin I is the most significant finding for ACS, indicating myocardial necrosis within 3 hours. This aligns with diagnostic criteria, making it the correct biomarker the nurse would prioritize to confirm acute coronary syndrome in the client.
Choice D reason: Troponin T is also specific for ACS but rises slightly later than troponin I, which is detectable sooner. This is incorrect, as troponin I is more significant within 3 hours for the nurse’s diagnosis of acute coronary syndrome.
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