Magnesium is located primarily in the bones an inside cells. It is responsible for neuromuscular function. Normal magnesium (Mg+) level is
0.5-1.5mEq/L
1.3-2.1 mEq/L
2.5-3.5 mEq/L
1.0-3.0 mEq/L
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["125"]
Explanation
To calculate the rate at which the IV pump should be set to deliver the prescribed volume of intravenous fluids,
Divide the total volume of fluids (3,000 mL) by the number of hours over which they are to be administered (24 hours). This calculation gives you 125 mL/hr.
Therefore, the nurse should set the IV pump to deliver 125 mL of fluid per hour to meet the 24-hour requirement.
Correct Answer is ["A","D"]
Explanation
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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