A patient's blood pressure (BP) reading is 142/91 mm Hg. How would the nurse classify the BP?
Normal.
Prehypertension.
Hypertension, stage 1.
Hypertension, stage 2.
The Correct Answer is C
Choice A rationale:
A normal blood pressure reading is typically around 120/80 mm Hg. The given reading of 142/91 mm Hg indicates elevated blood pressure.
Choice B rationale:
Prehypertension is defined as systolic blood pressure between 120-139 mm Hg or diastolic blood pressure between 80-89 mm Hg. The diastolic reading of 91 mm Hg places this patient in the stage 1 hypertension category.
Choice D rationale:
Hypertension, stage 2, is characterized by a systolic blood pressure of 140 mm Hg or higher and a diastolic blood pressure of 90 mm Hg or higher. While the systolic reading meets the criteria, the diastolic reading of 91 mm Hg falls into the stage 1 hypertension category.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
While magnesium is indeed the most abundant intracellular cation in the body, this fact alone does not explain why the nurse would assess the patient's magnesium level.
Choice B rationale:
Magnesium imbalance can cause issues in the extracellular fluid compartment, but this choice does not explain why the nurse would specifically assess the patient's magnesium level.
Choice D rationale:
While hypotension can be a symptom of severe magnesium deficiency, this choice does not provide a rationale for assessing the patient's magnesium level. In this case, choice C is correct because magnesium plays a crucial role in neuromuscular excitability and contractility. Abnormal magnesium levels can lead to neuromuscular symptoms such as muscle weakness, tremors, and spasms. Additionally, magnesium is involved in cardiac muscle function, and low magnesium levels can lead to arrhythmias and other cardiac issues. Therefore, assessing the patient's magnesium level is essential in understanding their neuromuscular and cardiac health.
Correct Answer is C
Explanation
Choice A rationale:
Spasm of a major coronary artery, also known as variant (Prinzmetal's) angina, typically occurs at rest and is not necessarily provoked by exertion. The patient's chest pain is exacerbated by exertion, making this choice less likely.
Choice B rationale:
Exposure of the thrombogenic surface to plaque refers to acute coronary syndromes like unstable angina or myocardial infarction. While plaque rupture and thrombosis can cause myocardial ischemia, the characteristic feature of these conditions is chest pain that may not be relieved by rest, unlike the patient described here.
Choice D rationale:
Myocardial ischemia secondary to microvascular disease, also known as cardiac syndrome X, is a condition where chest pain occurs without significant coronary artery stenosis. However, this condition usually affects women, and the pain is often unrelated to exertion. In the given case, the pain is provoked by exertion, making this choice less likely.
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