Exam 2: The Biological Basis of Behavior

Chemical substances called hormones are released into your bloodstream by the endocrine glands.

Specifically discuss how cocaine, the venom of the black widow spider, caffeine, antidepressant medications, antipsychotic medications, and botulism block or disrupt neural communication.

The part of the brain where pain is registered and which is important in hearing and sight is the ________.

You're walking all alone down a dark street when suddenly you hear a scream and then footsteps coming closer and closer. Your heart begins to pound, you're scared stiff, and you feel like running. Which part of the nervous system causes your body's reaction?

Caffeine arouses people by blocking the receptors for ________.

The endocrine gland that is often called the "master gland" because it affects the output of the other endocrine glands is the ________ gland.

Amy has suffered damage to Broca's area in her brain. She is most likely to exhibit ________ aphasia.

Which of the following is not true of all neurotransmitters?

A "split-brain" patient is asked to stare at a spot on a screen. When a picture of an object is shown to the right of the spot, the patient can ________.

You are a cell in the human nervous system. Your primary function is to provide support for neurons, hold them together, and help remove waste products and other substances, which could otherwise harm them. You are a(n) ________ cell.

When a number of genes make small contributions to a trait, this is known as mixed dominance.

A brain imaging technique that uses radioactive energy to map brain activity is ________.

"Depolarization," "absolute refractory period," and "threshold of excitation" are terms that apply most directly to ________.

The division of the nervous system that consists of the brain and spinal cord is the ________ system.

Experts believe that the average variation in the human genetic code for any two people is ________ percent.

The adrenal glands play an important role in the body's reactions to stress.

The lobe of the brain that regulates emotions and motivations such as anxiety, pleasure, and anger is the ________ lobe.

The thick bundle of nerves connecting the two cerebral hemispheres which coordinates their activities is the ________.

A frog muscle is stimulated with an electric current but the muscle doesn't twitch. This probably happens because ________.

After his last class, Carlos went out to his car to get some books to return to the library. He found that during the day someone had badly smashed his rear bumper. He was furious and began pounding on the hood and shouting obscenities. What area of the brain was guiding his behavior?