AEMCA Practice Exam

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What is an example of a tricyclic antidepressant?

Sertraline
Amitriptyline
Fluoxetine
Venlafaxine

The correct answer is: Amitriptyline

Amitriptyline is an example of a tricyclic antidepressant (TCA). TCAs are a specific class of medications used primarily to treat major depressive disorder and anxiety disorders. They are characterized by their chemical structure, which includes three fused rings, hence the term "tricyclic." Amitriptyline works by inhibiting the reuptake of neurotransmitters such as serotonin and norepinephrine, increasing their levels in the brain and thereby helping to improve mood and emotional balance. In contrast, the other medications listed belong to different classes. Sertraline and fluoxetine are selective serotonin reuptake inhibitors (SSRIs), which specifically target serotonin reuptake. Venlafaxine is a serotonin-norepinephrine reuptake inhibitor (SNRI), which affects both serotonin and norepinephrine but does so in a manner distinct from TCAs. Understanding these differences is crucial for recognizing the various approaches to treating depression and anxiety.