46. Sensory Systems

Although we often assume that our sense organs are reporting a complete picture of the world to our brains, in fact the world is full of stimuli (very low frequency sound, cosmic rays, electrical fields, etc.) that our sense organs cannot detect. This situation is best characterized as a failure of our sense organs to do what to these stimuli?

A fish detects vibrations in the water around it by means of its lateral lines, rows of sensory receptors along each side of the body. Based on what you know about sensory receptors, the lateral line receptors are probably which of the following?

Sitting too close to the amplifiers at a concert may __________.

The brain determines the loudness of a sound from the __________.

What is the primary function of the sensory system in animals?

Lisa is eating dinner. Which sensory organs is she most likely using to process what she is eating?

A human born with nonfunctional rhodopsin would __________.

You look all over for your glasses and then find them pushed back onto your forehead. This error could be attributed to __________.

The body uses the vitamin A precursors from some foods to make a substance called retinal, which __________.

Which of the following correctly traces the path of light into your eyes?

What is the fluid in the anterior chamber of the eye?

Correct focusing of the image on the retina in humans is achieved by changing the __________.

The round window is found __________.

Which of the following occurs when you move from a bright area into a darkened room?

In the vertebrate eye, the __________ focuses light on the photoreceptors.