The standard policy on the cardiac unit states, “Notify the health care provider for mean arterial pressure (MAP) less than 70 mm Hg.”. Which patient should the nurse call the health care provider about?
Newly admitted patient with a BP of 150/87 mm Hg.
Patient with left ventricular failure who has a BP of 110/70 mm Hg.
Postoperative patient with a BP of 116/42 mm Hg.
Patient with a myocardial infarction who has a BP of 140/86 mm Hg.
The Correct Answer is C
The patient with a blood pressure of 116/42 mm Hg has a mean arterial pressure (MAP) of approximately 67 mm Hg, which is less than the standard policy of 70 mm Hg. This could indicate inadequate blood flow to the vital organs, necessitating notification of the healthcare provider.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Low urine osmolarity and creatinine clearance are not the primary indicators of inadequate renal perfusion in a patient being stabilized after an acute coronary syndrome. These measures reflect the concentration of the urine and the kidney’s ability to filter waste from the blood, respectively. While they can be affected by renal perfusion, they are not the most direct or reliable indicators.
Choice B rationale
A decreasing serum blood urea nitrogen (BUN) level is not typically associated with inadequate renal perfusion. In fact, a high BUN level may indicate that the kidneys aren’t working properly. However, BUN levels can be influenced by many factors, including protein intake and liver function, so they are not the most reliable indicator of renal perfusion.
Choice C rationale
A urine output of less than 30 mL/hr is a common sign of inadequate renal perfusion. The kidneys need adequate blood flow to filter waste products from the blood and produce urine. If renal perfusion is inadequate, urine output can decrease.
Choice D rationale
A urine-specific gravity of less than 1.010 is not typically associated with inadequate renal perfusion. Specific gravity is a measure of the concentration of solutes in the urine. It can be influenced by hydration status and certain kidney disorders, but it is not a direct measure of renal perfusion.
Correct Answer is ["A","B","D","E"]
Explanation
Choice A rationale
Weight loss is often recommended as a first-line therapeutic approach to lowering blood pressure in patients diagnosed with essential hypertension. Excess weight can increase the strain on the heart and blood vessels, leading to higher blood pressure.
Choice B rationale
Regular physical activity is another important part of managing hypertension. Exercise can help lower blood pressure by improving heart health and reducing weight.
Choice C rationale
Beta-blockers, such as propranolol, are a type of medication used to treat hypertension. However, they are not typically the first choice for initial therapy unless the patient has a specific indication for this class of medication, such as heart failure or angina.
Choice D rationale
Decreasing sodium intake is another lifestyle change that can help lower blood pressure. Consuming too much sodium can cause the body to retain fluid, which can increase blood pressure.
Choice E rationale
Smoking cessation is also recommended for patients with hypertension. While smoking does not directly cause high blood pressure, it can damage blood vessels and increase the risk of heart disease.
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