49. Autonomic nervous system function is influenced by A) cerebral cortex B) hypothalamus. C) reticular system D) A and B only. E) A, B, and C Solution Theanswer is B)hypothalamus because the hypothalamus is usually present above the brain stem.Moreover it works as an integrator for autonomic functions.This involves receiving and the regulatory input from the limbic system to perform various actions which inclucdes the control of respiration, cardiac regulation , vasomotor activity.ITalso regulates the cardiac regulation and helps in reflex actions such as coughing, sneezing, swallowing..