A conductive hearing loss
a. Is a hearing loss due to damage ONLY to outer hair cells at the cochlea
b. Is a hearing loss due to damage in the external or middle ear
c. Is a hearing loss due to damage to all hair cells at the cochlea
d. Is a hearing loss due to damage ONLY to inner hair cells at the cochlea
e. Is a hearing loss due to damage to the afferent nerve fibres from the cochlea