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: Pharmacology
Spasmolytic analgesic is 
Select and explain. 
A. Dicyclomine, B. Physostigmine, C. Tropicamide, D. None
A: Dicyclomine
Answer: A: Dicyclomine 
Explanation: Ans. is 'a' i.e., Dicyclomine Antispasmodic (spasmolytic) drugs are used in various colic (pain) e.g. abdominal colic or renal colic. Among the given options, dicyclomine is spasmolytic. Antispasmodic drugs Quaternary compounds - Propantheline, Oxyphenonium, CI idinium, Pipenzolate, Methylbromide, Isopropamide, Glycopyrrolate. Teiary amines - Dicyclomine, Valethamate, Pirenzepine. Vasoselective antispasmodic (drugs acting on urinary bladder) - Oxybutynin, Tolterodine, flavoxate. Drotaverine