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Which middle ear muscle is responsible for the acoustic reflex?

We use hearing threshold information obtained from pure tone air and bone conduction audiometry to determine which of the following (select all that apply):

Art is what

From 1339 on, the knights of the shire met with the _______ in the Commons.     

      ___                    acoustic reflexes are measured by placing the activator tone and measurement probe in the same ear.

Magna Carta promulgated that an heir might be “given in marriage, but not to someone ______.”

In Henry I’s Coronation Charter, it states that he will “make the holy church of God free,” which means he will ______.

The French king, _____, took advantage to the fullest of the independence or rebelliousness (your choice of views) of Henry’s sons.

For clinical purposes, we define hearing threshold as the lowest intensity at which a patient hears the sound approximately:

Using the Modified Hughson-Westlake Procedure to find pure tone threshold, when the patient responds that they heard the stimulus you then: