This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Physiology
Maintainence of BP according to intracranial pressure is 
Select and explain. 
A. Cushing reflex, B. Cushing disease, C. Starling's reflex, D. Gometz reflex
A: Cushing reflex
Answer: A: Cushing reflex 
Explanation: Cushings reflex is a special type of CNS ischemic response. The cause is raised intracranial tension. Mechanism isRaisrd intracranial tensionDecreased blood flow to brain Ischemia of VMCStimulation of VMCVasoconstriction and increase in BPStimulation of baroreceptors Sinoaoic reflex Stimulation of CICRelex bradycardia Ref: Textbook of medical physiology by N Geetha, 2nd edition, page no. 164