At what angle is the hallpike thermal caloric test done?: (A) 15deg, (B) 30deg, (C) 45deg, (D) 60deg
Answer is B. In the Hallpike test, the head is tilted 30deg forward so that horizontal canal is veical. (Ref: Diseases of EAR, NOSE, THROAT by PL DHINGRA; 6th Edition; Page no. 43)