A physician orders Tylenol 3 (codeine/APAP) 30 mg by mouth every 4-6 hours as needed for pain. The nurse has Tylenol 3 available as 30/300 mg tablets. How many tablets should the nurse administer to the patient?
0.1 tablets
0.5 tablets
1 tablet
3 tablets
The Correct Answer is C
The Tylenol 3 medication contains codeine 30 mg and acetaminophen (APAP) 300 mg per tablet.
The physician has ordered Tylenol 3 30 mg every 4-6 hours as needed for pain. Therefore, the nurse should administer 1 tablet (containing 30 mg of codeine and 300 mg of APAP) every 4-6 hours as needed for pain..
It is important to note that the maximum daily dose of acetaminophen is 4,000 mg. Therefore, the nurse should monitor the total daily dose of acetaminophen the patient receives from all sources to ensure it does not exceed 4,000 mg.
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Correct Answer is B
Explanation
To calculate the dose of dobutamine in mg/hr, we need to convert the patient's weight from pounds (lb) to kilograms (kg) and then use the ordered dose of 10 mcg/kg/min.
1 lb = 0.453592 kg (rounded to 6 decimal places) Patient's weight in kg = 110 lb x 0.453592 kg/lb
Patient's weight in kg = 49.89512 kg (rounded to 5 decimal places)
Now we can calculate the dose of dobutamine in mg/hr using the following formula:
Dose (in mg/hr) = Weight (in kg) x Dose (in mcg/kg/min) x 60 (to convert minutes to hours) / 1000 (to convert mcg to mg)
Dose (in mg/hr) = 49.89512 kg x 10 mcg/kg/min x 60 / 1000
Dose (in mg/hr) = 29.937072 mg/hr (rounded to 3 decimal places)
Therefore, the patient should receive a dose of approximately 29.9 mg/hr of dobutamine.
Correct Answer is A
Explanation
Administer one half tablet. To find the amount of tablets to administer, use the formula: (ordered dose / available dose). In this case, (250 mg / 500 mg) = 0.5 tablet. Since the tablet is pre-scored, it can be easily split in half.
Metformin is a medication that belongs to a class of drugs called biguanides. It is used to treat type 2 diabetes by lowering blood sugar levels and improving insulin sensitivity. Metformin works by reducing the amount of glucose produced by the liver and increasing the uptake of glucose by the muscles and other tissues.
Metformin can also help prevent or delay the onset of diabetes complications, such as heart disease and kidney damage.
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