Which of the following does not give sensory supply to the pinna:
ALesser Occipital Nerve
BTympanic branch of Glossopharyngeal Nerve
CAuriculotemporal Nerve
DGreat Auricular Nerve
Which anatomical structure serves as the passageway connecting the middle ear cavity to the mastoid air cells, allowing the spread of infection?
AAditus ad antrum
BCochlea (hearing organ)
CInternal acoustic meatus (nerve passage)
DEustachian tube
Which part of the external auditory canal is cartilaginous?
ALateral 2/3 (Cartilaginous)
BMedial 2/3 (Osseous)
CMedial 1/3 (Osseous)
DLateral 1/3 (Cartilaginous)
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