QuestionSBA
QuestionChoice
Mirtazapine blocks the alpha-2 adrenergic receptors. By doing so, it enhances the release of norepinephrine and serotonin in the brain. Increased levels of these neurotransmitters are associated with improved mood.
10026645
a
Alpha-2 adrenergic receptor antagonist
QuestionChoice
This is the mechanism of action of monoamine oxidase inhibitors. Monoamine oxidase is an enzyme that breaks down neurotransmitters like serotonin, norepinephrine, and dopamine. Inhibiting it increases the levels of these neurotransmitters.
10026647
c
Inhibition of monoamine oxidase
QuestionChoice
This is one of the mechanisms of action of serotonin-norepinephrine re-uptake inhibitors. This leads to the increase of catecholamines in the synaptic cleft.
10026648
d
Inhibition of the noradrenaline re-uptake transporter
QuestionChoice
This is the mechanism of selective serotonin re-uptake inhibitors. This leads to an increase in the serotonin in the synaptic cleft.
10026646
b
Inhibition of the serotonin re-uptake
QuestionChoice
This is the mechanism of action of typical antipsychotics, such as haloperidol, typically used in acute episodes of psychosis. It blocks the activity of dopamine.
10026649
e
Dopamine (D2) receptor antagonist
Concept
Chapter
2693
5908
Mechanism of action of antidepressants
Topic
173
Psychiatry
17727
A 57-year-old female patient presented to the GP with symptoms of low mood. This is accompanied by loss of enjoyment in her daily activities and difficulties sleeping. She has poor concentration and cannot read more than 5 pages of her book. She is on the waiting list for cognitive behavioural therapy and would like medication to help with her symptoms. The GP decides to prescribe her mirtazapine.

What is the mechanism of action of mirtazapine?
a