Chapter 2 quiz

False

Dendritic "spines" grow in the synapse when the nerve is stimulated by sensory input.

The cell retracts receptors sites to slow down message transmission because there are too many neurotransmitters.

Down regulation of brain cell's receptors occurs when a person uses drugs and:

True

The historical and moral conflict between doing what an individual wants to do (primal urges) versus what he should do when addictive drugs and behaviors are involved.

Dopamine

The most crucial neurotransmitter involved in behavior addictions, drug use, and drug abuse is

False

The most rapidly a psychoactive drug reaches its central nervous system target, the less the reward and the lower the reinforcing effect.

True

The physical, mental, and emotional effects a person experiences from taking psychoactive drugs are caused by modifications or mimicking of the neurotransmitter's function.

Inhaling, injecting, mucous, oral

There are several routes of administering drugs, and some reach the brain faster than others, which gets to the brain from fastest to slowest?

Examples 1,3, and 4

Which of the following are examples of environmental factors that can make a person more liable to abuse a psychoactive substance?

Effects 1,2,3, and 4

Which of the following describes changes in the brain of a person who is addicted to alcohol or other drugs?

There is continued use despite experiencing physical or psychological problems and consequences.

Which of the following is a sign of addiction?