A patient has three separate blood pressure (BP) readings of 120/100, 138/92 mm Hg, and 126/96 mm Hg. Which category describes this pattern of BP?
Normal
Isolated systolic hypertension
Hypertension
Prehypertension
The Correct Answer is C
Choice A reason: Normal BP is below 120/80 mm Hg. These readings, with diastolic consistently above 90 mm Hg, indicate hypertension, not normal BP, so this is incorrect.
Choice B reason: Isolated systolic hypertension involves systolic BP ≥130 mm Hg with diastolic <80 mm Hg. High diastolic readings rule this out, so this is incorrect for the pattern.
Choice C reason: BP readings above 130/80 mm Hg, especially with diastolic ≥90 mm Hg, classify as hypertension (Stage 2). This matches the patient’s pattern, making it the correct category.
Choice D reason: Prehypertension is 120–129/<80 mm Hg. These readings exceed this with high diastolic values, indicating hypertension, so this is incorrect for the BP pattern.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Glucuronidation does not primarily involve fecal excretion; it conjugates drugs for urinary excretion. Hydrolysis is unrelated, and fecal routes are secondary, so this is incorrect for glucuronidation’s role.
Choice B reason: Glucuronidation conjugates drugs, making them water-soluble for transport across renal tubules and excretion in urine. This is the primary mechanism, making it the correct choice for drug elimination.
Choice C reason: Enterohepatic recirculation involves some drugs, but glucuronidation aims for excretion, not recycling. Prolonging drug presence is not the goal, so this is incorrect for the process.
Choice D reason: Glucuronidation facilitates excretion, not reabsorption. Reabsorbing drugs would counteract its purpose of eliminating metabolites, making this incorrect compared to urinary excretion.
Correct Answer is C
Explanation
Choice A reason: A sodium level of 140 mEq/L is within the normal range (135-145 mEq/L). While furosemide can cause hyponatremia, this value is not concerning. Hypokalemia is a greater risk with furosemide and digoxin, as it potentiates digoxin toxicity, making this choice less critical than potassium.
Choice B reason: Oxygen saturation of 95% is normal (95-100%). Crackles suggest pulmonary edema, but this saturation doesn’t indicate severe hypoxia requiring immediate action. Hypokalemia poses a greater risk with digoxin and furosemide, as it increases toxicity potential, making this choice less concerning.
Choice C reason: A potassium level of 3.0 mEq/L (normal: 3.5-5.0 mEq/L) indicates hypokalemia, exacerbated by furosemide’s diuretic effect. In digoxin use, low potassium increases cardiac toxicity risk, causing arrhythmias, especially with an irregular heart rate noted, making this the most concerning value requiring immediate attention.
Choice D reason: A blood glucose level of 100 mg/dL is normal (70-110 mg/dL fasting). It’s unrelated to digoxin or furosemide’s primary risks (e.g., electrolyte imbalances, arrhythmias). Hypokalemia is a more immediate concern due to its synergistic toxicity with digoxin, making this choice less critical.
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