1. Which brain structure is primarily involved in the processing of fear and emotional memory? A. Hippocampus B. Amygdala C. Hypothalamus D. Frontal lobe Answer: B. Amygdala Rationale: The amygdala is known for its critical role in the processing of emotions, particularly fear. It is involved in the emotional significance of events and memories. 2. During a stressful event, which neurotransmitter is released to initiate the 'fight or flight' response? A. Dopamine B. Serotonin C. GABA D. Norepinephrine Answer: D. Norepinephrine Rationale: Norepinephrine is responsible for the body's 'fight or flight' response during stressful situations, increasing heart rate and blood flow to muscles. 3. Which of the following is a primary function of the prefrontal cortex in emotional regulation? A. Interpreting facial expressions B. Decision making C. Pain perception D. Motor function Answer: B. Decision making Rationale: The prefrontal cortex is involved in complex behaviors including planning, and decision making, and is crucial for emotional regulation. 4. What is the role of serotonin in mood regulation? A. It decreases arousal and promotes sleep. B. It increases appetite and digestion. C. It stabilizes mood and feelings of well-being. D. It enhances memory and learning.