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: Unknown
The inhalational agent of choice for neurosurgery - 
Select and explain. 
A. Halothane, B. Enflurane, C. Isoflurane, D. N20
C: Isoflurane
Answer: C: Isoflurane 
Explanation: Ans. is 'c' i.e., Isoflurane Anesthetic agents of choice for various conditionso Daycare:Propofolo Ischemic heart disease:Etomidateo Congenital heart disease # Left to right shunt:Isoflurane# Right to left shunt:Ketamineo CHF:Ketamineo Shock:Ketamineo To produce deliberate hypotensionIsofluraneo Epilepsy:Thiopentoneo For electroconvulsive therapy:Methohexitoneo Thyrotoxicosis:Thiopentoneo Cardiac surgery:Isofluraneo Neurosurgery:Isoflurane