Which drug blocks the binding of angiotensin II to its receptors on blood vessels and adrenal glands, preventing its vasoconstrictive and aldosterone-stimulating effects?
Beta blockers
Calcium channel blockers
Angiotensin II receptor blockers (ARBs)
Direct acting vasodilators.
The Correct Answer is C
Angiotensin II receptor blockers (ARBs) block the binding of angiotensin II to its receptors on blood vessels and adrenal glands, preventing its vasoconstrictive and aldosterone-stimulating effects
Choice A is wrong because beta blockers do not block angiotensin II receptors, but rather beta-adrenergic receptors, which are involved in the sympathetic nervous system. Beta blockers reduce heart rate and blood pressure by inhibiting the effects of adrenaline and noradrenaline
Choice B is wrong because calcium channel blockers do not block angiotensin II receptors, but rather calcium channels, which are involved in the contraction of smooth muscle cells. Calcium channel blockers relax blood vessels and lower blood pressure by reducing the influx of calcium into the cells
Choice D is wrong because direct acting vasodilators do not block angiotensin II receptors, but rather act directly on the smooth muscle cells of blood vessels, causing them to relax and dilate. Direct acting vasodilators lower blood pressure by decreasing peripheral resistance
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The nurse should monitor the client’s serum potassium level closely because furosemide is a loop diuretic that can cause hypokalemia, which increases the risk of cardiac arrhythmias and digitalis toxicity. The nurse should also monitor the client’s fluid status, blood pressure, and renal function.
Choice B is wrong because Serum calcium is wrong because furosemide does not affect calcium levels significantly. Calcium levels are more likely to be affected by thiazide diuretics, which can cause hypercalcemia.
Choice C is wrong because Serum albumin is wrong because furosemide does not affect albumin levels significantly. Albumin levels are more likely to be affected by liver disease, malnutrition, or nephrotic syndrome.
Choice D is wrong because Serum glucose is wrong because furosemide does not affect glucose levels significantly. Glucose levels are more likely to be affected by diabetes mellitus, corticosteroids, or stress.
Normal ranges for the laboratory values are:
• Serum potassium: 3.5-5.0 mEq/L
• Serum calcium: 8.5-10.5 mg/dL
• Serum albumin: 3.5-5.0 g/dL
• Serum glucose: 70-110 mg/dL
Correct Answer is D
Explanation
The nurse should advise the patient with heart failure to limit or avoid canned soups and sauces because they are high in sodium, which can cause fluid retention and worsen cardiac function.Sodium intake should be restricted to less than 2 g per day for patients with heart failure.
Choice A is wrong because fresh fruits and vegetables are good sources of potassium, magnesium, and fiber, which are beneficial for heart health.Potassium and magnesium help regulate fluid and electrolyte balance, and fiber helps lower cholesterol and blood pressure.
Choice B is wrong because whole grains and cereals are also rich in fiber, as well as complex carbohydrates, which provide energy and prevent rapid fluctuations in blood glucose levels.Whole grains and cereals may also contain phytochemicals that have antioxidant and anti-inflammatory effects.
Choice C is wrong because lean meats and poultry are low in saturated fat and cholesterol, which can contribute to atherosclerosis and coronary artery disease. Lean meats and poultry provide protein, which is essential for tissue repair and wound healing.Protein intake should be adequate but not excessive for patients with heart failure, as too much protein can increase the workload of the kidneys.
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