What is the primary mechanism of action of Tricyclic Antidepressants (TCAs)

• Block serotonin reuptake only

• Inhibit GABA

• Block the reuptake of norepinephrine and serotonin

• Stimulate dopamine receptors

Amitriptyline belongs to which class of medications?

• MAOI

• SSRI

• TCA

• SNRI

Which of the following statements about antidepressants is true?

• They show effect within 1–2 days

• Patients can stop taking them once they feel better

• They must be taken regularly for several weeks to be effective

• They can cause immediate mood elevation

Which of the following is a tetracyclic antidepressant?

• Fluoxetine

• Bupropion

• Mirtazapine

• Amitriptyline

A nurse notices that a patient on mirtazapine is very sleepy during the day. What is the best action?

• Stop the medication

• Give it in the morning

• Consult the doctor to reduce the dose or confirm bedtime administration

• Tell the patient to drink coffee

What is the primary action of MAOIs?

• Increase GABA levels

• Inhibit dopamine reuptake

• Inhibit breakdown of serotonin and norepinephrine

• Stimulate acetylcholine receptors

A nurse should monitor a patient on MAOIs for which life-threatening condition?

• Serotonin syndrome

• Myocardial infarction

• Hypertensive crisis

• Respiratory depression

What is the mechanism of action of SSRIs?

• Block dopamine reuptake

• Inhibit serotonin reuptake

• Stimulate norepinephrine release

• Block GABA receptors

Which of the following is an SSRI?

• Amitriptyline

• Fluoxetine

• Venlafaxine

• Bupropion

Which symptom indicates serotonin syndrome?

• Bradycardia

• Fever and muscle rigidity

• Constipation

• Dry skin