A nurse is collecting data from an older adult client who is receiving ondansetron IV, has a history of diabetes mellitus and cardiac myopathy, and is receiving chemotherapy to treat cancer. For which of the following adverse effects of ondansetron should the nurse monitor? (Select all that apply)

Diarrhea

Hyperglycemia

Shortened PR interval

Headache

Answer and Explanation

Correct Answer : A,D

A. Diarrhea is a common side effect associated with ondansetron, which is used to prevent nausea and vomiting caused by cancer chemotherapy, radiation therapy, and surgery.

B. Ondansetron can potentially cause changes in glucose metabolism, leading to hyperglycemia, especially in clients with diabetes mellitus. Monitoring blood glucose levels is essential during ondansetron administration, particularly in clients who are already predisposed to hyperglycemia.

D. Headache is a potential adverse effect of ondansetron. It is listed as a common side effect and should be monitored, especially in older adults who may be more sensitive to medication effects.

C. Ondansetron can affect the QT interval rather than the PR interval. It may cause QT interval prolongation, which can predispose the client to arrhythmias

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Correct Answer is C

Explanation

C. Dextrose 5% in water is a hypotonic solution that contains 5 grams of dextrose in each 100 mL of water. It provides free water without adding significant sodium, which helps to dilute the elevated sodium levels in hypernatremia. This solution is effective in correcting hypernatremia by promoting water movement from the intravascular space into the cells and extracellular space.

A. Albumin solutions are primarily used for volume expansion and to increase oncotic pressure in conditions like hypoalbuminemia or shock. They do not provide free water and are not typically used for treating hypernatremia.

B. Dextrose 10% in water is a hypertonic solution used primarily for providing calories and treating hypoglycemia. It does not correct hypernatremia because it does not significantly affect sodium levels or provide sufficient free water to dilute sodium.

D. Dextran 40 is a colloid solution that is used for volume expansion in hypovolemia or shock. It does not provide free water and is not indicated for correcting hypernatremia.

A. 0.5-1.5mEq/L B. 1.3-2.1 mEq/L C. 2.5-3.5 mEq/L D. 1.0-3.0 mEq/L

Correct Answer is B

Explanation

B. This range represents the normal serum magnesium level. It is important for maintaining neuromuscular function and other vital processes in the body.

A. This range is too low for normal serum magnesium levels. Magnesium levels below this range can indicate hypomagnesemia, which can lead to symptoms such as muscle cramps, tremors, and cardiac arrhythmias.

C. This range is too high for normal serum magnesium levels. Elevated magnesium levels (hypermagnesemia) can occur in conditions such as renal failure or excessive magnesium intake, leading to symptoms like weakness, decreased reflexes, and in severe cases, cardiac arrest.

D. While this range is broader and includes the correct normal range (1.3-2.1 mEq/L), it also includes values that are below and above normal. Values below 1.3 mEq/L can indicate hypomagnesemia, while values above 2.1 mEq/L can indicate hypermagnesemia.

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A nurse is collecting data from an older adult client who is receiving ondansetron IV, has a history of diabetes mellitus and cardiac myopathy, and is receiving chemotherapy to treat cancer. For which of the following adverse effects of ondansetron should the nurse monitor? (Select all that apply)

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Naxlex Comprehensive Predictor Exams

A nurse is assisting in the plan of care for a client who has hypernatremia. Which of the following IV solutions should the nurse plan to initiate?

Correct Answer is C

Explanation

Magnesium is located primarily in the bones an inside cells. It is responsible for neuromuscular function. Normal magnesium (Mg+) level is

Correct Answer is B

Explanation

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