Exam 40: The Senses

The white of the human eye's exterior is actually the

Binocular vision is an adaptation found in many animals that benefit from good depth perception.

When light energy hits a photopigment, the molecule

Human fingertips have the same number of touch receptors per square inch as the skin of the back.

If you could monitor the activity from the photoreceptors of rods and cones in the retina during a dream, would you expect these cells to be producing electrical signals? Why?

The optic nerve

There are three small bones in the inner ear.

Which of the following is responsible for the perception of smell?

MSG is often used as a seasoning to enhance the flavors of meat, fish, and vegetables. Which type of taste receptor cell responds to MSG?

Which of these structures can be swiveled around in some animals to better locate a sound?

The hair cells in the detect the direction of gravity.

The perception of sound depends on

Which type of receptor signals that your stomach is full after a big meal?

There are different olfactory receptor proteins in humans that allow us to sense a variety of odors.