[2] Biological Basis of Behavior [Psychoactive Drugs]

Question 1

Psychoactive drugs

Answer 1

Substances that alter brain function and change mood, perception, or consciousness.

Question 2

Agonists

Answer 2

Substances that mimic the action of neurotransmitters.

Question 3

Antagonists

Answer 3

Substances that block the action of neurotransmitters.

Question 4

Reuptake inhibitors

Answer 4

Drugs that block the reuptake of neurotransmitters, increasing their effects.

Question 5

Stimulants

Answer 5

Drugs that increase activity in the CNS, leading to increased alertness and energy.

Question 6

Caffeine

Answer 6

A stimulant that blocks adenosine receptors, keeping you awake.

Question 7

Cocaine

Answer 7

A stimulant that increases dopamine levels, leading to feelings of euphoria.

Question 8

Depressants

Answer 8

Drugs that reduce CNS activity, leading to relaxation and sedation.

Question 9

Alcohol

Answer 9

A depressant that affects GABA and glutamate, leading to impaired judgment and coordination.

Question 10

Hallucinogens

Answer 10

Drugs that alter perception, leading to sensory distortions and hallucinations.

Question 11

Marijuana

Answer 11

A drug that has both stimulant and depressant properties; it affects dopamine and cannabinoid receptors.

Question 12

Opioids

Answer 12

Drugs that bind to opioid receptors to reduce pain and increase pleasure.

Question 13

Heroin

Answer 13

An illegal opioid that produces intense euphoria and pain relief, but leads to high addiction risk.

Question 14

Tolerance

Answer 14

The reduced effectiveness of a drug after repeated use, requiring higher doses.

Question 15

Addiction

Answer 15

A condition in which a person compulsively seeks out a substance or behavior, despite negative consequences.

Question 16

Withdrawal

Answer 16

Physical and psychological symptoms that occur when a person stops using a drug after becoming dependent on it.