The nurse has an order to give Lopressor 75 mg po. Lopressor is available in a 50 mg tablet. How many tablets should the nurse administer?

1.5 tablet

2 tablet

0.5 tablet

1 tablet

Answer and Explanation

The Correct Answer is A

A.   To achieve the prescribed dose of 75 mg and since Lopressor is available in 50 mg tablets, the nurse should administer 1 tablet (50 mg) plus another half tablet to make up the remaining 25 mg, totaling 1.5 tablets.
B.   To achieve the prescribed dose of 75 mg and since Lopressor is available in 50 mg tablets, the nurse should administer 1 tablet (50 mg) plus another half tablet to make up the remaining 25 mg, totaling 1.5 tablets.
C.   To achieve the prescribed dose of 75 mg and since Lopressor is available in 50 mg tablets, the nurse should administer 1 tablet (50 mg) plus another half tablet to make up the remaining 25 mg, totaling 1.5 tablets.
D.   To achieve the prescribed dose of 75 mg and since Lopressor is available in 50 mg tablets, the nurse should administer 1 tablet (50 mg) plus another half tablet to make up the remaining 25 mg, totaling 1.5 tablets.

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Correct Answer is B

Explanation

A. Repeating the prescription back to the provider ensures accuracy and is a best practice.
B. Telephone prescriptions should be transcribed into the appropriate medical record or order entry system, not just the nurse's notes. This ensures the prescription is documented correctly and can be acted upon by other healthcare team members.
C. Asking for clarification when the prescription is not understood is crucial to prevent errors.
D. Telephone prescriptions should be signed by the provider as soon as possible to ensure they are valid and have been accurately communicated.

A. Children require more frequent dosing to achieve desired effects. B. Children have less mature livers and kidneys than adults. C. Children metabolize medications more quickly than adults. D. Children excrete urine more quickly than adults.

Correct Answer is B

Explanation

A. Children do not necessarily require more frequent dosing; the dosing schedule depends on the medication and the condition being treated.
B. Children have less mature livers and kidneys, affecting drug metabolism and excretion, making them more vulnerable to medication errors and adverse effects.
C. Children do not metabolize all medications more quickly; their metabolism can vary based on age and development.
D. Children may have different rates of urine excretion, but this is not the primary reason for their vulnerability to medication errors.

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The nurse has an order to give Lopressor 75 mg po. Lopressor is available in a 50 mg tablet. How many tablets should the nurse administer?

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