PTCE Order Interpretation and Medication Preparation 3

Question 1

A prescription for a pediatric patient reads 'Ibuprofen 10 mg/kg PO q6h PRN pain.' The child weighs 22 lbs. What is the correct dose?

Accepted Answer

100 mg

Answer

22 lbs ÷ 2.2 = 10 kg; 10 kg × 10 mg/kg = 100 mg per dose.

Question 2

Which sig code instructs the patient to take medication every 8 hours?

Accepted Answer

TID

Answer

TID (ter in die) means three times daily, which equals every 8 hours when spaced evenly.

Question 3

A technician is preparing a 1:1000 epinephrine solution. How many mg of epinephrine are in 1 mL?

Accepted Answer

1 mg

Answer

A 1:1000 ratio means 1 g per 1000 mL, which equals 1 mg per mL.

Question 4

A prescription reads 'Prednisone — taper: 40 mg QD × 3d, then 30 mg QD × 3d, then 20 mg QD × 3d, then 10 mg QD × 3d.' What is the total quantity of 10 mg tablets to dispense?

Accepted Answer

30 tablets

Answer

In 10 mg tabs: 40mg=4 tabs × 3d=12, 30mg=3 tabs × 3d=9, 20mg=2 tabs × 3d=6, 10mg=1 tab × 3d=3; total = 12+9+6+3 = 30 tablets.

Question 5

An order reads 'Vancomycin 1 g IVPB q12h.' The drug is available as 500 mg powder vials. How many vials are needed per dose?

Accepted Answer

2 vials

Answer

1 g = 1000 mg; 1000 mg ÷ 500 mg/vial = 2 vials per dose.

(PTCE) Pharmacy Technician Certification Exam Practice Test

(PTCE) Pharmacy Technician Certification Exam Practice Test

PTCE Order Interpretation and Medication Preparation 3