This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Seedatives & Hyponotics, Subject name: Pharmacology
All are produced by mu receptors except - 
Select and explain. 
A. Euphoria, B. Sedation, C. Dysphoria, D. Constipation
C: Dysphoria
Answer: C: Dysphoria 
Explanation: Ans. is 'c' i.e., Dysphoria (Mu)k (Kappa)d (Delta)o Analgesia (spinal + supraspinal)o Respiratory depressiono Euphoriao Reduced GI motilityo Sedationo Miosiso Physical dependenceo Increased feedingo Analgesia (spinal + Supraspinal)o Respiratory depression (lower ceiling)o Dysphoriao Reduced GI motilityo Sedationo Diuresiso Increased feedingo Psychomimetic effectso Analgesia (spinal + Supraspinal)o Modulation of GH & DA releaseo Increased feeding