Dear students, open PPT posted by Rathia Sir and listen to this Podcast...I have taken you smoothly from one slide to another....At some points I have also discussed MCQ s with you. If you need I shall add Podcast interaction with you like class room fir Pons and Medulla. How do you proceed? Do not listen to this Podcast in isolation.open PPT and listen to this it will be clear. Happy reading.....