A nurse is preparing to administer haloperidol 19,000 mcg PO to a school-age child who has Tourete's syndrome. The nurse should recognize that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if applicable. Do not use a trailing zero.)
The Correct Answer is ["0.019"]
19,000 mcg of haloperidol is equivalent to 0.019 g.
To calculate this, use the conversion factor that 1 g is equivalent to 1,000,000 mcg. So, 19,000 mcg * (1 g / 1,000,000 mcg) = 0.019 g.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["11.6"]
Explanation
To calculate this, first convert the child's weight from pounds to kilograms: 64 lb * (1 kg / 2.2 lb) = 29.09 kg. Then, calculate the dose of vancomycin in mg: 20 mg/kg * 29.09 kg = 581.8 mg.
Finally, divide the dose in mg by the concentration of the vancomycin injection to find the volume to administer: 581.8 mg / (50 mg/mL) = 11.636 mL/dose, which rounds to 11.6 mL when rounded to the nearest tenth.
Correct Answer is ["0.65"]
Explanation
Let’s calculate this step by step:
Step 1: Convert the toddler’s weight from pounds (lb) to kilograms (kg) using the conversion factor 1 kg = 2.2 lbs.
24 lbs ÷ 2.2 lbs/kg = 10.91 kg
Step 2: Calculate the total amount of diazepam needed using the dosage of 0.3 mg/kg.
0.3 mg/kg × 10.91 kg = 3.27 mg
Step 3: Calculate the volume of diazepam injection to administer using the concentration of 5 mg/mL.
3.27 mg ÷ 5 mg/mL = 0.654 mL
Rounding to the nearest hundredth, the nurse should administer 0.65 mL of diazepam injection.
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