Drugs Brain and Behavior Test 2 Questions and Answers Latest Version (2024/2025) Already Passed

Drugs Brain and Behavior Test 2 Questions and Answers Latest Version (2024/2025) Already Passed What neurotransmitter is most commonly associated with the brain’s reward system? A) Serotonin B) Dopamine C) GABA D) Acetylcholine Which part of the brain is primarily responsible for decision-making and impulse control? A) Hippocampus B) Amygdala C) Cerebellum D) Prefrontal cortex How do stimulants like cocaine and methamphetamine affect dopamine levels? A) They decrease dopamine release B) They block dopamine receptors 2 C) They increase dopamine availability by preventing reuptake D) They have no effect on dopamine Which neurotransmitter is most affected by alcohol consumption? A) GABA B) Glutamate C) Dopamine D) Norepinephrine What is the primary function of the blood-brain barrier? A) To allow all substances to enter the brain freely B) To protect the brain from harmful substances and toxins C) To store neurotransmitters for future use D) To increase the speed of nerve impulses Which of the following drugs is classified as a depressant? A) Cocaine B) Benzodiazepines 3 C) LSD D) MDMA What is the primary role of the hippocampus in relation to drug effects? A) Regulating body temperature B) Forming and storing new memories C) Controlling motor functions D) Producing dopamine Which neurotransmitter is primarily involved in feelings of pleasure and reinforcement? A) Dopamine B) Serotonin C) Acetylcholine D) Endorphins How do opioids produce pain relief? A) By increasing dopamine in the prefrontal cortex B) By blocking serotonin reuptake 4 C) By binding to opioid receptors and reducing pain signaling D) By increasing heart rate and blood pressure What is the main mechanism of action of SSRIs (Selective Serotonin Reuptake Inhibitors)? A) Blocking dopamine receptors B) Enhancing norepinephrine activity