PTCB Prescription Order Entry & Processing 2 — Questions and Answers
Question 1: What is the process of comparing a new medication order against a patient's existing medication list called?
- Drug utilization review
- Medication reconciliation (Correct answer)
- Formulary review
- Prior authorization
Correct answer: Medication reconciliation
Medication reconciliation ensures the patient's medication list is accurate and complete during care transitions.
Question 2: What does 'NKA' mean in a patient's allergy history?
- No Known Antibiotics
- No Known Allergies (Correct answer)
- Not Known to Allergy team
- No Known Adverse reactions
Correct answer: No Known Allergies
NKA stands for 'No Known Allergies,' indicating the patient has no documented drug or environmental allergies.
Question 3: What does 'DAW 0' indicate on a prescription claim?
- Brand only, no substitution
- No product selection indicated — generic may be dispensed (Correct answer)
- Substitution not allowed by law
- Patient requests brand
Correct answer: No product selection indicated — generic may be dispensed
DAW 0 means no product selection is indicated, allowing the pharmacist to substitute a generic equivalent.
Question 4: A prescription reads: 'Lisinopril 10 mg, i tab PO QD #30, Ref x3'. How many days' supply is authorized in total?
- 30 days
- 60 days
- 90 days
- 120 days (Correct answer)
Correct answer: 120 days
30 tablets per fill × 4 fills (1 original + 3 refills) = 120 tablets at 1/day = 120 days' supply total.
Question 5: What is the meaning of 'ii gtts AU TID' in a prescription?
- 2 drops in both eyes three times daily
- 2 drops in both ears three times daily (Correct answer)
- 2 tablets by mouth three times daily
- 2 drops in the right ear three times daily
Correct answer: 2 drops in both ears three times daily
AU = both ears, gtts = drops, TID = three times daily; so the sig means instill 2 drops in both ears three times daily.
Question 6: Which type of drug interaction can significantly reduce the effectiveness of a medication?
- Additive interaction
- Potentiation
- Antagonistic interaction (Correct answer)
- Synergistic interaction
Correct answer: Antagonistic interaction
An antagonistic interaction occurs when one drug reduces or blocks the effect of another, potentially making the medication less effective.
PTCB Prescription Order Entry & Processing 2
What is the process of comparing a new medication order against a patient's existing medication list called?