Chapter Questions
Can you name a sensory receptor that does not produce a membrane depolarization?
What mechanoreceptors detect muscle stretch and the tension on a tendon?
What structures in the vertebrate ear detect changes in the body's position with respect to gravity? What structures detect angular motion?
How are sound waves transmitted and amplified through the middle ear? How is the pitch of the sound determined?
How does focusing in fishes and amphibians differ from that in other vertebrates?
When a photoreceptor absorbs light, what happens to the $\mathrm{Na}+$ channels in its outer segment?
Why do rattlesnakes strike a moving lightbulb?
How do sharks detect their prey? Why don't terrestrial vertebrates have this sense?