Final answer:
To evaluate treatment effectiveness for a patient with hepatic encephalopathy, a nurse should perform a neurological assessment, which includes tests to assess sensory functions and determine treatment effectiveness.
Step-by-step explanation:
To evaluate treatment effectiveness for a patient who has hepatic encephalopathy, the nurse should perform a neurological assessment. This assessment may include tests such as asking the patient to follow commands, tapping a muscle tendon with a reflex hammer, and asking the patient to follow a target through different positions. These tests help assess the patient's sensory functions and can provide valuable information about the effectiveness of the treatment.