Final answer:
In a pharmacy setting, there can be a maximum of 4 pharmacy technicians and/or pharmacy technician trainees per one on-duty pharmacist.
Step-by-step explanation:
The subject of this question is Health. The question is asking about the maximum number of pharmacy technicians and/or pharmacy technician trainees that can be present for each on-duty pharmacist in a pharmacy setting. The ratio stated is 1:4, which means that for every one pharmacist, there can be up to four pharmacy technicians and/or pharmacy technician trainees.