The purpose of Weber test is to assess:

Correct option is B

The Weber test uses a tuning fork to evaluate bone conduction of sound through the skull. It helps differentiate between conductive and sensorineural hearing loss. Explanation of options:
· (a) ✘ Air conduction is assessed using Rinne test.
· (b) ✔ Correct; Weber test evaluates bone conduction.
· (c) ✘ Not related to testing inflammation.
· (d) ✘ Infections may cause hearing loss but not directly tested by Weber.