Answer:
True
Step-by-step explanation
The event is a a patient being diabetic.
Independent events are those where the probability of occurrence of one event does not influence the probability of occurrence of the other event in any way.
Here, in the mentioned situation whether a patient is diabetic or not is not connected to the population.
Thus the event that Patient A is diabetic and patient B is diabetic is not connected to each other and hence are independent event.