McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What sense is associated with hair cells inside the semicircular canals?

A. hearing
B. static equilibrium
C. dynamic equilibrium
D. All of these are correct.


2. What triggers a nerve impulse in the semicircular canals?

A. electrical impulses reaching the hair cells
B. chemical changes in the cupula
C. shifting of the cupula and the bending of hair cells
D. expansion of the cupula due to pressure changes
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