Ear Anatomy
Tuning Fork Time
Otorrhea Case
100

This outer ear structure helps funnel sound into the external auditory canal.

What is the pinna?

100

The Weber test lateralizes to this ear in CHL.

What is the affected ear?  

100

Otorrhea after swimming is commonly caused by this condition.

What is otitis externa?

200

These 3 bones in the middle ear amplify vibrations.

What are the malleus, incus, and stapes?

200

The Rinne test compares these two types of conduction.

What are air and bone conduction?

200

Tragal tenderness is a classic sign of this.

What is otitis externa?

300

This snail-shaped structure in the inner ear is key to hearing.

What is the cochlea?

300

AC > BC in both ears. What kind of hearing loss?

What is sensorineural?

300

The most common bacterial cause of otitis externa.

What is Pseudomonas aeruginosa?

400

These 6 embryological hillocks form the external ear.

What are the hillocks of His?

400

With a right TM perforation, Weber test lateralizes to...?

What is the right ear?

400

A complication seen in diabetics with severe otorrhea and cranial nerve palsies.

What is malignant otitis externa?

500

This structure senses vertical linear motion.

What is the saccule?

500

A patient has right acoustic neuroma. Rinne is normal bilaterally. Weber test?

What is lateralization to the left ear?

500

This device is used when the auditory canal is too swollen to deliver ear drops.

What is an ear wick?