This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cerebellum and Brainstem, Subject name: Physiology
Effect of transaction of pons at superior level affects respiration by which of the following? 
Select and explain. 
A. It becomes slower and deeper, B. Apneustk breathing, C. Breathing ceases, D. Irregular & gasping
A: It becomes slower and deeper
Answer: A: It becomes slower and deeper 
Explanation: ANSWER: (A) It becomes slower and deeperREF: Ganong 23rd Ed Ch 37, Guyton 11th ed page 514-515, Human Physiology: From Cells to Systems by Lauralee Sherwood 7th ed page 499-500Indirect repeat Physiology 2013 Session 1 (See for Details of Respiratory centres)