A nurse is caring for a client who has a magnesium level of 3.2 mEq/L. Which of the following medications should the nurse expect to administer?
Calcium gluconate
Calcitonin
Magnesium oxide
Magnesium sulphate
The Correct Answer is A
A client with a magnesium level of 3.2 mEq/L has a higher-than-normal magnesium level, indicating hypermagnesemia. The nurse should expect to administer calcium gluconate.
Calcium gluconate is the antidote for hypermagnesemia, as it works to antagonize the effects of magnesium on the body. By administering calcium gluconate, the nurse can help counteract the effects of excess magnesium and normalize the client's magnesium levels.
Let's go through the other options:
B. Calcitonin: Calcitonin is not used to treat hypermagnesemia. Calcitonin is a hormone that regulates calcium and phosphorus levels in the body. It is used in certain conditions, such as hypercalcemia (high calcium levels), but it is not indicated for hypermagnesemia.
C. Magnesium oxide: Magnesium oxide is a form of magnesium supplement, and it is not appropriate for a client with hypermagnesemia, as it would further increase the magnesium level, exacerbating the condition.
D. Magnesium sulphate: Magnesium sulfate is also not appropriate for a client with hypermagnesemia, as it would further elevate the magnesium levels in the body. Magnesium sulfate is often used to treat magnesium deficiency or as a tocolytic agent to prevent premature labor.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A client with a magnesium level of 3.2 mEq/L has a higher-than-normal magnesium level, indicating hypermagnesemia. The nurse should expect to administer calcium gluconate.
Calcium gluconate is the antidote for hypermagnesemia, as it works to antagonize the effects of magnesium on the body. By administering calcium gluconate, the nurse can help counteract the effects of excess magnesium and normalize the client's magnesium levels.
Let's go through the other options:
B. Calcitonin: Calcitonin is not used to treat hypermagnesemia. Calcitonin is a hormone that regulates calcium and phosphorus levels in the body. It is used in certain conditions, such as hypercalcemia (high calcium levels), but it is not indicated for hypermagnesemia.
C. Magnesium oxide: Magnesium oxide is a form of magnesium supplement, and it is not appropriate for a client with hypermagnesemia, as it would further increase the magnesium level, exacerbating the condition.
D. Magnesium sulphate: Magnesium sulfate is also not appropriate for a client with hypermagnesemia, as it would further elevate the magnesium levels in the body. Magnesium sulfate is often used to treat magnesium deficiency or as a tocolytic agent to prevent premature labor.
Correct Answer is ["18.8"]
Explanation
To calculate the rate at which the IV pump should deliver dopamine, we can follow these steps:
Step 1: Convert the weight of the client from pounds to kilograms.
220 lb ÷ 2.2 = 100 kg (rounded to the nearest whole number)
Step 2: Calculate the total dose of dopamine per minute.
5 mcg/kg/min × 100 kg = 500 mcg/min
Step 3: Convert the dose from micrograms (mcg) to milligrams (mg).
500 mcg/min ÷ 1000 = 0.5 mg/min
Step 4: Determine the infusion rate in milliliters per hour (mL/hr).
The total volume of the solution is 250 mL.
The total dose of dopamine is 400 mg.
So, the infusion rate is (0.5 mg/min ÷ 400 mg) × 250 mL = 0.3125 mL/min.
Step 5: Convert the infusion rate from mL/min to mL/hr.
0.3125 mL/min × 60 min/hr = 18.75 mL/hr (rounded to the nearest tenth).
Therefore, the nurse should set the IV pump to deliver 18.8 mL/hr (rounded to the nearest tenth).
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