Patients head Is raised 300 forward while doing bithermal caloric test

[Medicoman]

Assertion: Patients head Is raised 300 forward while doing bithermal caloric test.
Reason: In the above position, horizontal canal becomes vertical.

1. Both Assertion (A) and Reason ® are individually true and R is the correct explanation of A
2. Both A and R are individually true but R is not the correct explanation of A
3. A is true but R is false
4. A ¡s false but R is true

View Explanation

With patient supine and head raised 300 forward horizontal canal becomes vertical. This position helps the convection currents through gravity while performing bithermal caloric test.