Exam 4: The Nervous System

What is the brain imaging technique described in the book that can study where specific chemicals are binding in living humans called?

Drugs can interact with neurotransmitters in two ways. What are they?

How many types of glia cells exist, and what is their overall function?

The action potential is an electrical signal that is transmitted along the axon when a neuron fires.

Describe the action potential.

Describe endorphins.

Which term describes a substance that facilitates or mimics the effects of a neurotransmitter on the postsynaptic cell?

Which of the following neurotransmitters is found in most regions of the brain and is considered inhibitory?

What is the process of maintaining our internal environment (temperature, water balance, etc.) within certain limits?

Describe the peripheral nervous system.

Describe the structure of a neuron.

What have weight control, aggression, impulsivity, and psychological depression all been associated with?

Which of the following is responsible for mood, memory, sleep, and cognition?

If Martin was teaching the difference between the sympathetic reaction and parasympathetic reaction of the pupil he would state that dilation is a parasympathetic reaction.

In addition to neurons, what is the other brain cell that is even larger in number?

Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse, or by doing which of the following?

What is homeostasis?

Which term describes chemicals that are acted on by enzymes to form neurotransmitters?

The complex branching parts of a neuron that receive information from other neurons are called dendrites.

Cocaine selectively blocks Na+ (sodium) channels, which is the mechanism that leads to which of the following?