Final answer:
It is beneficial to have the dispatcher clarify a prefix for the word plegia because it helps the EMTs prepare for the type of patient they may encounter.
Step-by-step explanation:
It would be beneficial to have the dispatcher clarify a prefix for the word plegia because without a clarifying prefix, it is difficult for the EMTs to effectively prepare for the type of patient they may encounter. Different prefixes can indicate different conditions or symptoms, which would require different treatment and precautions by the EMTs. For example, if the patient has hemiplegia, it means they have paralysis on one side of the body, while paraplegia means paralysis of the lower limbs.