Cоmpаre the mechаnisms оf аctiоn of agonists and antagonists. Provide specific examples of each type of drug (direct and indirect), explain how they interact with receptors or neurotransmitter systems, and describe their effects on neurotransmission. Grading Rubric: Agonist mechanism (2 points) Antagonist mechanism (2 points) Example of direct and indirect for each mechanism (2 points) Effects on neurotransmission (2 points) Expected Length: 1-2 paragraphs (150-200 words)