The word part placed before a word to change its meaning is called

The word that means "to gather together" is "Assemble." Assemble refers to the act of gathering or bringing together separate parts or individuals into one place or group.

The correct meaning of "prognosis" in the sentence is "Expected outcome." Prognosis refers to the predicted course or outcome of a disease or condition based on medical evaluation and treatment. In this context, the patient's prognosis was excellent, indicating a positive expected outcome after treatment.

The meaning of the word "discrete" in the sentence is "Separate." discrete in medical terms mean characterized by distinct unconnected lesions. Discrete symptoms in this case means the symptoms are completely unrelated and are distinct or separate from each other, indicating different aspects or manifestations of the condition that the doctor needs to address individually.

The word "anticipate" in the sentence means "Predict." To anticipate is to imagine or expect that something will happen. Similarly, to predict is to declare or indicate in advance, especially foretell on the basis of observation. In this case, the nurse was unable to foresee or predict the events that occurred, suggesting a failure to anticipate or expect them.