PTCB PTCE Question Answer
When used in a prescription Sig. "troche" indicates a dosage:
time.
form.
rate.
route.
In prescription terminology,"troche" refers to a dosage form, specifically alozengethat dissolves slowly in the mouth to release medication.
Atroche (or lozenge)is asolid, flavoredmedication thatdissolves in the mouthover time, allowing for gradual drug absorption.
Used for:
Local effects(e.g., sore throat relief with benzocaine troches)
Systemic effects(e.g., hormone replacement therapy troches)
A. Time❌→ Incorrect
"Troche" doesnotindicate when to take the medication.
C. Rate❌→ Incorrect
"Troche" doesnotindicate how fast the drug is absorbed.
D. Route❌→ Incorrect
"Troche"describes the dosage form, whilerouterefers to how a drug is administered (e.g., oral, IV).
USP-NF (United States Pharmacopeia–National Formulary)– Defines dosage forms, including lozenges/troches.
PTCB PTCE Exam Content Outline– Covers pharmaceutical dosage forms and prescription terminology.
ISMP Medication Safety Guidelines– Includes troches in standard medication formulations.
Definition of Troche:Why Not the Other Options?Key References:
TESTED 20 Dec 2025
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