1. Multiple Choice: Which of the following best describes the mechanism of action of selective serotonin reuptake inhibitors (SSRIs) in the treatment of depression? A. Blocking the reuptake of norepinephrine and dopamine B. Enhancing the release of serotonin in the brain C. Inhibiting the breakdown of serotonin D. Blocking the reuptake of serotonin Correct Answer: D. Blocking the reuptake of serotonin Rationale: SSRIs work by blocking the reuptake of serotonin in the brain, leading to increased levels of the neurotransmitter available for use. 2. Fill-in-the-Blank: The term used to describe the predictable and unavoidable adverse effects of a drug is known as ____________. Correct Answer: Side effects Rationale: Side effects are predictable and unavoidable adverse reactions to a drug that occur even at therapeutic doses. 3. True/False: Pharmacokinetics refers to the study of how the body metabolizes and eliminates drugs. Correct Answer: True Rationale: Pharmacokinetics inv