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1. Multiple Choice: Which neurotransmitter is most commonly associated with the pathophysiology of depression? a) Dopamine b) Serotonin c) GABA d) Acetylcholine Correct Answer: b) Serotonin Rationale: Serotonin is a neurotransmitter that has been found to be significantly linked with depression. Lower levels of serotonin are associated with mood disorders, and many antidepressants focus on increasing serotonin levels in the brain. 2. Fill-in-the-Blank: The __________ model is a psychological theory that suggests five core dimensions of personality. Correct Answer: Five-Factor Rationale: The Five-Factor model, also known as the Big Five, posits that there are five broad dimensions of personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism.
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