Exam 26: Sensing the Environment

The position of our body is reported by mechanoreceptors called ______________.

The function of the pinna is to

To best help it "sniff out" a fox, a hunting dog probably has a high concentration of

All sensory organs convert environmental stimuli into nervous impulses that travel along the plasma membrane in electrical "waves" known as ______________.

We have color vision thanks to

A person who, as a result of a mutation, could not produce one of the pigment molecules found in cones

In our eyes, the pupil focuses light on the retina.

Vertebrate eyes have a pupil that

Researchers have suggested a fifth taste in humans known as umami and attribute the taste to the compound glutamate. Which of the following would support the belief that umami is a real "taste?"

The vestibular apparatus also contains three fluid-filled ____________ canals oriented at right angles to one another.

The pressure between our outer and middle ears is equalized by

In a human eye, which would be the most numerous?

The sensory structures of animals all convert some property of the environment into

Not all animals that can hear can distinguish sound frequencies because many lack the equivalent of

Our overall perception of food depends on

Why are sensory organs commonly located on the head of an organism?

Different types of chemoreceptors respond to different smells.

A drug that inhibits the function of mechanoreceptors would affect your sense of

Which of the following would not be found in the organ of Corti?

Pain and temperature are detected by nerve endings.