This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which is seen in opioid poisoning - 
Select and explain. 
A. Hyperventilation, B. Raised BP, C. Slow shallow respiration, D. Dyspnea
C: Slow shallow respiration
Answer: C: Slow shallow respiration 
Explanation: None