1. In the study by Chagas et al, what cut-off score provided the best discrimination between depressed and nondepressed patients using the Patient Health Questionnaire screening tool?

2. Which class of antidepressant medications is viewed as likely to have the LEAST amount of intolerable side effects for patients with Parkinson's Disease?

3. Mirtazapine is less likely than other antidepressants to cause adverse sexual effects because of its antagonist effect on which receptor?

4. Which of the following chemical targets for depression are impacted as a patient's Parkinson's Disease progresses?

5. Which of the following is the OPTIMAL choice for a tricyclic antidepressant in an elderly patient due to diminished anticholinergic activity?

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