• Is the sound wave admitted to the middle ear with nothing blocking it or minimal effort trying to keep it out of the middle ear?

Is there extreme effort to prevent the sound wave from moving through the middle ear? Is there an impediment to the movement of sound through the middle ear?

What are the axis labels for a tympanogram, their units of measurement, and their norms?

• X is ____ in daPa

• Y is ____ in mL 

A tensing of the middle ear muscles – particularly the stapedius, in response to a high level/intensity sound

• Stimulus in right ear

• Probe in right ear

• Stimulus in left ear

• Probe in left ear

• Stimulus in right ear

• Probe in left ear

• Stimulus in left ear

• Probe in right ear

• Brief click

• Multiple stimulus presented

• Assess part of cochlea that responds to 1000-4000 Hz

• Stimulus presented as two pure tones

• Distortion product with basilar membrane motion

• However, still only able to assess about 1000 – 6000 Hz