Final answer:
The abbreviation '1 gtt q.h.' is indeed true and translates to 'one drop every hour'. This medical notation is used in prescriptions to indicate dosage and frequency.
Step-by-step explanation:
The abbreviation 1 gtt q.h. is a pharmaceutical notation meaning one drop every hour, which is true. The 'gtt' is derived from 'gutta', which is Latin for 'drop'. The 'q.h.' stands for 'quaque hora', which translates to 'every hour' in Latin.
Such abbreviations are commonly used in medical prescriptions to indicate the dosage and frequency of medication that a patient is required to take. It is crucial for healthcare providers and patients to understand these abbreviations to ensure medication is administered safely and effectively.