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:
A low level of hepcidin would not cause a decrease in hemoglobin levels. Hepcidin regulates iron homeostasis by inhibiting the absorption of iron from the intestines and promoting its storage in cells.
Choice B rationale:
An increase in iron-binding capacity typically occurs in conditions like iron deficiency anemia, where the body tries to increase its capacity to transport iron. This would not cause a low hemoglobin level in an otherwise healthy individual.
Choice C rationale:
Aging often leads to a decrease in the efficiency of nutrient absorption, including iron. This decrease in intestinal absorption of iron can result in low hemoglobin levels in elderly individuals. It's a common cause of anemia in the elderly population.
Choice D rationale:
Erythropoietin is a hormone produced by the kidneys that stimulates the production of red blood cells. A decrease in erythropoietin secretion from the kidneys would lead to anemia, but it is not a typical effect of aging and is usually associated with kidney disease.
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