A nurse is providing discharge instructions to a client who has chronic heart failure and is prescribed furosemide, a loop diuretic. Which of the following dietary modifications should the nurse include in the teaching? (Select all that apply.)

Increase intake of foods high in potassium.

Decrease intake of foods high in sodium.

Increase intake of foods high in calcium.

Decrease intake of foods high in protein.

Increase intake of fluids as tolerated.

Answer and Explanation

Correct Answer : A,B

Choice A reason:

Furosemide is a potassium-wasting diuretic that may reduce the potassium level in your blood. To counteract the loss of potassium, you should try to eat enough potassium-rich foods in your diet. Some examples of potassium-rich foods include bananas, orange juice, apricots, acorn squash, butternut squash, Hubbard squash, prunes, raisins, and bran products.

Choice B reason:

Furosemide is used to treat high blood pressure and edema by causing the kidneys to get rid of unneeded water and salt from the body into the urine. To enhance the effect of furosemide and prevent fluid retention, you should decrease intake of foods high in sodium. Some examples of sodium-rich foods include processed meats, canned soups, pickles, cheese, salted nuts, and snack foods.

Choice C reason:

Furosemide does not affect the calcium level in your blood significantly. Therefore, there is no need to increase intake of foods high in calcium when taking furosemide. However, you should still consume adequate amounts of calcium for your bone health and other functions. Some examples of calcium-rich foods include milk, yogurt, cheese, broccoli, kale, and fortified cereals.

Choice D reason:

Furosemide does not affect the protein level in your blood significantly. Therefore, there is no need to decrease intake of foods high in protein when taking furosemide. However, you should still consume moderate amounts of protein for your muscle health and other functions. Some examples of protein-rich foods include eggs, fish, poultry, meat, beans, nuts, and seeds.

Choice E reason:

Furosemide can cause dehydration and electrolyte imbalance by increasing urine output. Therefore, you should increase intake of fluids as tolerated to prevent these complications. You should drink enough water to keep your urine clear or pale yellow. You should also avoid alcohol and caffeine as they can worsen dehydration.

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Correct Answer is C

Explanation

Choice A reason: Sodium. Sodium is not affected by serum phosphate level in chronic kidney disease (CKD) patients. Sodium level is mainly regulated by the renin-angiotensin-aldosterone system and the antidiuretic hormone. Sodium level can be altered by fluid intake, fluid loss, diuretics, or salt restriction, but not by phosphate level.

Choice B reason:

Magnesium. Magnesium is also not affected by serum phosphate level in CKD patients. Magnesium level is mainly influenced by dietary intake, intestinal absorption, renal excretion, and exchange with bone and soft tissues. Magnesium level can be altered by malnutrition, malabsorption, diarrhea, vomiting, diuretics, or alcoholism, but not by phosphate level.

Choice C reason:

Calcium. Calcium is the correct answer because calcium and phosphate have an inverse relationship in the body. When serum phosphate level is elevated, as in CKD patients, serum calcium level tends to decrease. This is because high phosphate level binds to calcium and forms insoluble complexes that are deposited in soft tissues and bones. This reduces the amount of free calcium in the blood and triggers the secretion of parathyroid hormone (PTH), which further lowers the calcium level by increasing its excretion in the urine.

Choice D reason:

Bicarbonate. Bicarbonate is not directly affected by serum phosphate level in CKD patients. Bicarbonate level is mainly determined by the acid-base balance in the body. Bicarbonate level can be altered by metabolic acidosis or alkalosis, respiratory acidosis or alkalosis, renal failure, or diarrhea, but not by phosphate level.

A. Hypercalcemia. B. Hypokalemia. C. Hypermagnesemia. D. Hypophosphatemia.

Correct Answer is B

Explanation

Choice A: Hypercalcemia. This is a condition of having too much calcium in the blood. It can cause muscle weakness, constipation, nausea, vomiting, confusion, and irregular heartbeat. However, it does not typically cause paresthesias (tingling or numbness), diarrhea, or crackles in the lungs.

Choice B:

Hypokalemia. This is a condition of having too low potassium in the blood. It can cause muscle weakness, paresthesias, irregular heartbeat, shallow respirations, and increased risk of digoxin toxicity (a medication used to treat heart failure) It can also cause vomiting and diarrhea, which can worsen the potassium loss. This choice matches the symptoms of the patient.

Choice C:

Hypermagnesemia. This is a condition of having too much magnesium in the blood. It can cause muscle weakness, nausea, vomiting, low blood pressure, bradycardia (slow heart rate), and respiratory depression. However, it does not usually cause paresthesias, diarrhea, or crackles in the lungs.

Choice D:

Hypophosphatemia. This is a condition of having too low phosphate in the blood. It can cause muscle weakness, bone pain, rickets (softening of bones), and impaired cellular function. However, it does not typically cause paresthesias, irregular heartbeat, shallow respirations, or crackles in the lungs.

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A nurse is providing discharge instructions to a client who has chronic heart failure and is prescribed furosemide, a loop diuretic. Which of the following dietary modifications should the nurse include in the teaching? (Select all that apply.)

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

Correct Answer is B

Explanation

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