Exam 2: The Biological Perspective

As Tyler walks to his car late at night, he hears footsteps behind him. Feeling afraid, Tyler grips his keys and quickens his pace. It is likely that Tyler's __________ has been activated.

If the limbic system were destroyed, which of the following structures would be damaged?

__________ are short fibers that extend from the neurons and allow it to receive messages from other neurons.

Despite its dangers, a young man continues to take cocaine because of the feeling of euphoria it produces in him. This powerful arousal of his nervous system is probably due to cocaine's ability to __________.

The branchlike structures that receive messages from other neurons are called __________.

Why is the cortex in the brain so wrinkled?

Which part of the nervous system takes the information received from the senses, makes sense out of it, makes decisions, and sends commands out to the muscles and the rest of the body?

Damage to the cerebellum is likely to disrupt which of the following?

A deer waits motionlessly, hidden in the thicket as a band of hunters approaches. As the hunters get closer, their dogs bark, picking up the scent of their prey. In a futile effort to escape, the deer bolts. Which of the following most accurately describes the nervous system of the hunted deer at this point?

What are the differences in how the right and left cerebral hemispheres function?

Chemical substances released by the endocrine glands to help regulate bodily functions are __________.

Neural messages travel faster on axons that __________.

The structure in the hindbrain that controls certain reflexes and coordinates the body's movements is the __________.

Robert has had difficulty sleeping for the past 6 months, and his body seemingly no longer differentiates between night and day. His doctor believes the problem lies with Robert's endocrine system. What gland will Robert's physician focus on?

Which brain structure relays incoming sensory information?

Aisha's physician refers her to a medical center in order to have the biochemical activity in her brain analyzed. She is given an injection of a radioactive glucose-like substance and then is told to lie down with her head in a scanner. The technique being used is __________.

Motor neurons carry messages from special receptors in the skin, from muscles, and from sense organs to the spinal cord.

Which of the following is the section of the brain located at the rear and bottom of each cerebral hemisphere and contains the visual centers of the brain?

The left cerebral hemisphere primarily controls __________.

Meaghan just received the results of a complete physical that found her body is not producing enough insulin. Which of the following endocrine glands is affecting her body's ability to produce insulin?