QuestionSBA
QuestionChoice
This is incorrect. This describes the mechanism of action for Serotonin-norepinephrine reuptake inhibitors (SNRIs)
10002727
b
Blocks the reabsorption of serotonin and norepinephrine into the presynaptic cell
QuestionChoice
This is correct. Citalopram is a selective serotonin re-uptake inhibitor (SSRI), meaning that it blocks the reabsorption of serotonin into the presynaptic cell. This results in a greater concentration of extracellular serotonin.
10002726
a
Blocks the reabsorption of serotonin into the presynaptic cell
QuestionChoice
This is incorrect as SSRIs such as citalopram work by inhibiting the reabsorption of serotonin into the synaptic cell, resulting in more extracellular serotonin available.
10002730
e
Facilitates the reabsorption of serotonin into the presynaptic cell
QuestionChoice
This is incorrect. This describes how benzodiazepines work.
10002729
d
Increases the effect of the neurotransmitter GABA
QuestionChoice
This is incorrect. This describes the mechanism of action for Monoamine oxidase inhibitors (MAOIs)
10002728
c
Inhibits activity of monoamine oxidase enzymes
Concept
Chapter
2693
4068
Selective Serotonin Re-uptake inhibitors
Topic
172
Pharmacology of the Nervous System
13092
A 45-year-old female was prescribed Citalopram by her GP for depression and anxiety.

What is the mechanism of action of this drug?
a