Antidepressant Medications

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30 Questions

Which neurotransmitter is involved in regulating body homeostasis?

Serotonin

What is the primary function of GABA receptors in the brain?

Inhibition

Which neurotransmitter is involved in the construction of consciousness?

Acetylcholine

What is the duration of ion flow in/out of the neuron?

Milliseconds

Which type of receptors are involved in fast neurotransmission?

Ionotropic receptors

What is a common effect of the serotonin reuptake inhibitors?

Sedation

What is the characteristic of monoamine neurotransmitters?

They can be either excitatory or inhibitory depending on the state of the cell

Which antidepressant is a selective serotonin reuptake inhibitor?

Citalopram

What is the effect of fluoxetine on the neurotransmitter dopamine?

It has no effect on dopamine levels

What is the effect of nefazodone on sedation?

It increases sedation

Which antidepressant has a high affinity for the serotonin and norepinephrine receptors?

Venlafaxine

Which antidepressant does not have an anti-muscarinic effect?

Citalopram

Where do almost all norepinephrine pathways in the brain originate from?

Locus coeruleus in the midbrain

What is the function of monoamine oxidase in the nervous system?

To deaminate catecholamines

What is the effect of cocaine on the reuptake of norepinephrine?

It inhibits the reuptake of norepinephrine

Which neurotransmitter system is involved in anxiety, sleep, and sexual behavior?

Serotonin system

What is the relationship between stress and learning?

A small amount of stress always improves learning

What is the function of the hypothalamus in the norepinephrine system?

Regulation of endocrine response

Which of the following antidepressants is a 5-HT uptake inhibitor?

Venlafaxine

What is a major advantage of Monoamine Uptake Inhibitors compared to tricyclic antidepressants?

Fewer side effects

Which of the following is a potential risk of using Monoamine Uptake Inhibitors?

Increased risk of cardiac dysrhythmias

What is the mechanism of action of Mirtazapine?

Blocks α2 adrenoceptors and 5-HT2C receptors

Which of the following antidepressants is also used to treat nicotine dependence?

Bupropion

What is a unique feature of Duloxetine?

Is used to treat neuropathic pain and fibromyalgia

What is the purpose of antidepressants?

To increase the levels of circulating neurotransmitters in the synapse

What is a characteristic of individuals with high levels of serotonin?

They exhibit obsessive-compulsive disorders

What is the mechanism of action of Fluoxetine/Prozac?

It blocks the SERT

What is a common animal model of depression?

All of the above

What is a limitation of antidepressant clinical trials?

Large placebo effects

What is the name of the receptor involved in the regulation of serotonergic release?

α2-AR

This quiz covers various antidepressant medications, their effects, and properties. It compares different types of antidepressants and their uses. Test your knowledge of antidepressant medications and their characteristics.

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