A nurse is evaluating a client who has fluid volume overload and received furosemide 40 mg IV bolus 1 hr ago. Which of the following findings indicates that the medication was effective?

The client reports increased thirst.

The client's urine output is 250 mL/hr.

The client's heart rate is 100/min.

The client's weight is unchanged.

Answer and Explanation

The Correct Answer is B

Choice A reason:

The client reports increased thirst. This is not an indication that the medication was effective, because increased thirst can be a sign of dehydration or electrolyte imbalance caused by excessive diuresis. Furosemide can cause loss of water and sodium, potassium, calcium, magnesium, and chloride in the urine.

Choice B reason:

The client's urine output is 250 mL/hr. This is an indication that the medication was effective, because furosemide is a loop diuretic that inhibits the reabsorption of sodium and water in the ascending limb of the loop of Henle, resulting in increased urine output and decreased fluid volume. A normal urine output is about 30 to 60 mL/hr, so a urine output of 250 mL/hr indicates a significant diuretic effect.

Choice C reason:

The client's heart rate is 100/min. This is not an indication that the medication was effective, because a high heart rate can be a sign of hypovolemia, hypotension, or cardiac stress caused by furosemide. Furosemide can lower the blood pressure and reduce the preload and afterload on the heart, but it can also trigger compensatory mechanisms such as increased sympathetic activity and renin-angiotensin-aldosterone system activation, which can increase the heart rate.

Choice D reason:

The client's weight is unchanged. This is not an indication that the medication was effective, because weight loss is expected with furosemide therapy due to fluid removal. Furosemide can cause a rapid and significant reduction in fluid volume, which can be measured by daily weight changes. A weight loss of 1 kg corresponds to a fluid loss of about 1 L.

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Correct Answer is D

Explanation

Choice A reason:

Serum sodium is not directly related to the acid-base balance of the body. Sodium bicarbonate therapy does not affect the serum sodium level significantly. Therefore, monitoring serum sodium is not an effective way to evaluate the effectiveness of the therapy.

Choice B reason:

Serum potassium is inversely related to the serum pH. As the pH increases, the potassium level decreases, and vice versa. Sodium bicarbonate therapy raises the pH and lowers the potassium level. Therefore, monitoring serum potassium is important to prevent hypokalemia, but it does not directly reflect the acid-base balance of the body.

Choice C reason:

Serum chloride is inversely related to the serum bicarbonate level. As the bicarbonate level increases, the chloride level decreases, and vice versa. Sodium bicarbonate therapy increases the bicarbonate level and decreases the chloride level. Therefore, monitoring serum chloride is important to prevent hypochloremia, but it does not directly reflect the acid-base balance of the body.

Choice D reason:

Serum bicarbonate is directly related to the acid-base balance of the body. The normal range of serum bicarbonate is 22 to 26 mEq/L. In metabolic acidosis, the bicarbonate level is low, and in metabolic alkalosis, it is high. Sodium bicarbonate therapy aims to increase the bicarbonate level and correct metabolic acidosis. Therefore, monitoring serum bicarbonate is the most effective way to evaluate the effectiveness of the therapy.

A. Dextrose 5% in water (D5W) B. Lactated Ringer's (LR) C. Dextrose 5% in 0.45% sodium chloride (D5W/0.45% NaCl) D. Dextrose 5% in lactated Ringer's (D5LR)

Correct Answer is B

Explanation

Choice A reason:

Dextrose 5% in water (D5W) is a hypotonic solution that provides free water and calories, but no electrolytes. It is used to treat hypernatremia and cellular dehydration, but it can cause fluid shifts from the intravascular to the intracellular space, leading to cerebral edema and decreased blood pressure. This is not appropriate for a client who has dehydration due to vomiting and diarrhea, as they need to restore their intravascular volume and electrolyte balance.

Choice B reason:

Lactated Ringer's (LR) is an isotonic solution that contains sodium, chloride, potassium, calcium, and lactate. It is used to treat fluid loss from burns, trauma, surgery, or sepsis. It also helps to correct metabolic acidosis by providing bicarbonate precursors. This is the best choice for a client who has dehydration due to vomiting and diarrhea, as they need to replace their fluid and electrolyte losses and maintain their acid-base balance.

Choice C reason:

Dextrose 5% in 0.45% sodium chloride (D5W/0.45% NaCl) is a hypertonic solution that provides free water, calories, and sodium. It is used to treat hypovolemia and hyponatremia, but it can cause fluid shifts from the intracellular to the intravascular space, leading to cellular dehydration and increased blood pressure. This is not appropriate for a client who has dehydration due to vomiting and diarrhea, as they already have low blood pressure and cellular dehydration.

Choice D reason:

Dextrose 5% in lactated Ringer's (D5LR) is a hypertonic solution that provides free water, calories, sodium, chloride, potassium, calcium, and lactate. It is used to treat hypovolemia and metabolic acidosis, but it can cause fluid shifts from the intracellular to the intravascular space, leading to cellular dehydration and increased blood pressure. This is not appropriate for a client who has dehydration due to vomiting and diarrhea, as they already have low blood pressure and cellular dehydration.

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A nurse is evaluating a client who has fluid volume overload and received furosemide 40 mg IV bolus 1 hr ago. Which of the following findings indicates that the medication was effective?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has metabolic acidosis and is receiving sodium bicarbonate IV bolus and infusion to correct the pH imbalance. Which of the following laboratory values should the nurse monitor to evaluate the effectiveness of the therapy?

Correct Answer is D

Explanation

A nurse is caring for a client who has dehydration due to vomiting and diarrhea. The client's blood pressure is 90/60 mm Hg, pulse is 110/min, and respirations are 22/min. The nurse should anticipate a prescription for which of the following types of IV fluids?

Correct Answer is B

Explanation

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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A nurse is assessing a client who has fluid overload. Which of the following findings should the nurse report to the provider? (Select all that apply.)

A nurse is evaluating the effectiveness of fluid therapy for a client who has hypernatremia. Which of the following findings indicates improvement? (Select all that apply.)

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