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Questions and Answers
What is the primary mechanism of action of SSRI antidepressant drugs?
What is the primary mechanism of action of SSRI antidepressant drugs?
- Enhancing the release of norepinephrine in the brain
- Increasing the levels of serotonin in the brain by blocking its reuptake (correct)
- Blocking the action of GABA receptors in the brain
- Inhibiting the production of dopamine in the brain
What is the role of serotonin in the context of SSRI antidepressant drugs?
What is the role of serotonin in the context of SSRI antidepressant drugs?
- Regulating mood and emotions (correct)
- Inducing sleep
- Controlling motor functions
- Managing pain perception
How do SSRI antidepressants differ from tricyclic antidepressants in terms of their mechanism of action?
How do SSRI antidepressants differ from tricyclic antidepressants in terms of their mechanism of action?
- SSRIs inhibit norepinephrine release, while tricyclic antidepressants increase GABA levels
- SSRIs modulate dopamine reuptake, while tricyclic antidepressants solely focus on serotonin reuptake
- SSRIs specifically target serotonin reuptake, while tricyclic antidepressants affect multiple neurotransmitters including serotonin, norepinephrine, and dopamine (correct)
- SSRIs directly stimulate serotonin production, while tricyclic antidepressants block dopamine receptors
