Exam 18: Performing, Dispensing, and Compounding Calculations

Mrs. Peterson has been diagnosed with oropharyngeal and esophageal candidiasis. The physician has determined that an oral suspension is the best route of administration and has ordered fluconazole 40 mg/mL, disp 25 mL. She instructed Mrs. Peterson to take 200 mg on the first day, then 100 mg once daily until the medicine is gone. What is the days' supply?

Ordered: Phenazopyridine 100 mg tablets 12, 1 tab po tid after meals What is the days' supply?

For an HIV-positive patient, the physician has ordered ritonavir 600 mg twice daily with meals. According to the label shown here, one bottle of Norvir would be enough to supply this patient for _______________.

Ordered: Gemfibrozil 600 mg tabs #120; take 1 tab po q12h Calculate the days' supply: _______________.

Ordered: Cephalexin 500 mg po 3 times a day for 10 days On hand: Cephalexin 500 mg capsules How many capsules should be dispensed?

The patient is a 4-year-old child who weighs 35 lb. Ordered: Amoxicillin 12.5 mg/kg q12h for 14 days On hand: See label Calculate the amount to dispense in mL: _______________.

Ordered: Neurontin 400 mg #120; take 1 capsule po tid Calculate the days' supply: _______________.

Ordered: Elavil 100 mg po at bedtime for 30 days On hand: Elavil 50 mg tablets Calculate the amount to dispense: _______________.

Ordered: 160 mL Benadryl 12.5 mg/5 mL; take 40 mg po q8h Calculate the days' supply: _______________.

Ordered: Xanax 1 mg po bid for 21 days On hand: See label (tablets are scored) Calculate the amount to dispense: _______________.

Ordered: Symbicort 2 inhalations q12h for 30 days On hand: Symbicort inhalers; each inhaler contains 120 inhalations Calculate the number of inhalers to be dispensed: _______________.

Ordered: Norvir 200 mg po q12h with meals for 21 days On hand: See label Calculate the amount to dispense: _______________.

When a licensed practitioner prescribes a medication for a patient, the number of days the prescription should last the patient is called the _______________.

Ordered: Clozapine 50 mg po qid for 7 days On hand: See label What is the amount to dispense?

Ordered: Ranitidine 150 mg tablets #60; 1 tab po q6h Calculate the days' supply: _______________