Exam 39: The Senses

In humans, depth perception is possible because:

The intensity of a stimulus is indicated by the ________ of action potentials.

How does an insect see the world (as many separate images, or as a single image)?

Hair cells in the human ear are located on the:

Why do your parents or grandparents most likely need glasses to read?

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

The hairs in the ________ are vertical; the hairs in the ________ are horizontal.

Which of these animals has an eye with a single lens?

Based on this figure, which of the following would produce the largest receptor potential and probably do the most damage to hair cells?

The sense of taste relies on:

The hammer, anvil, and stirrup are located in the:

What symptoms indicate that the Eustachian tube is blocked?

Describe the structure of a taste bud.

Optimal color vision occurs in the ________, a depression in the retina where most of the ________ are located.

Mechanoreceptors include:

In humans, when the eye focuses on a nearby object, the lens:

Why does food taste bland when you have a cold?

How many different varieties of cones are found in humans?

Humans with good hearing can detect sounds ranging from ________ to ________ vibrations per second.

The ________ detect(s)movement of the head.