This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inhalational Anesthetic Agents, Subject name: Anaesthesia
Which of the following inhalational agent can cause coronary steal phenomenon- 
Select and explain. 
A. Isoflurane, B. Sevoflurane, C. Desflurane, D. Halothane
A: Isoflurane
Answer: A: Isoflurane 
Explanation: Isoflurane more than other inhalational agents increases coronary blood flow many times beyond that of the myocardial oxygen demand, thereby, creating potential for "Steel", steel is diversion of blood from a myocardial bed with limited or inadequate perfusion to a bed with more adequate perfusion.