Q. Which of the following statements are correct for RAS? I. It screens sensory information II. It is important in overall activation and arousal III. It is concerned with involuntary movements IV. It is the seat of learning, memory, reasoning and creative ability
A) I and II
B) II and III
C) II and IV
D) I and IV
Explanation
RAS it is a diffuse network of nerve cell bodies and nerve tracts that extends through the brain stem. It screens sensory information so that only certain only certain impulses reaches the cerebrum. It is also important in overall activation and arousal. When certain neurons in RAS are active, we are awake, when they are inhibited by other neurons we sleep
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.