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Pharmacology of Central Nervous System Drugs

Description: This quiz covers the pharmacology of central nervous system drugs, including their mechanisms of action, therapeutic uses, and adverse effects.
Number of Questions: 15
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Tags: pharmacology central nervous system drugs
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Which of the following is not a type of central nervous system drug?

  1. Antidepressants

  2. Antipsychotics

  3. Anxiolytics

  4. Antihistamines


Correct Option: D
Explanation:

Antihistamines are not central nervous system drugs, but rather antiallergic drugs.

What is the primary mechanism of action of antidepressants?

  1. Inhibition of serotonin reuptake

  2. Inhibition of norepinephrine reuptake

  3. Inhibition of dopamine reuptake

  4. Inhibition of GABA reuptake


Correct Option: A
Explanation:

The primary mechanism of action of antidepressants is inhibition of serotonin reuptake.

Which of the following is not a typical antipsychotic?

  1. Chlorpromazine

  2. Haloperidol

  3. Olanzapine

  4. Fluoxetine


Correct Option: D
Explanation:

Fluoxetine is not a typical antipsychotic, but rather an antidepressant.

What is the primary mechanism of action of anxiolytics?

  1. Inhibition of GABA reuptake

  2. Inhibition of serotonin reuptake

  3. Inhibition of norepinephrine reuptake

  4. Inhibition of dopamine reuptake


Correct Option: A
Explanation:

The primary mechanism of action of anxiolytics is inhibition of GABA reuptake.

Which of the following is not a benzodiazepine?

  1. Diazepam

  2. Lorazepam

  3. Alprazolam

  4. Buspirone


Correct Option: D
Explanation:

Buspirone is not a benzodiazepine, but rather an anxiolytic of a different class.

What is the primary mechanism of action of stimulants?

  1. Inhibition of dopamine reuptake

  2. Inhibition of serotonin reuptake

  3. Inhibition of norepinephrine reuptake

  4. Inhibition of GABA reuptake


Correct Option: A
Explanation:

The primary mechanism of action of stimulants is inhibition of dopamine reuptake.

Which of the following is not a stimulant?

  1. Amphetamine

  2. Methylphenidate

  3. Caffeine

  4. Clonidine


Correct Option: D
Explanation:

Clonidine is not a stimulant, but rather an antihypertensive.

What is the primary mechanism of action of opioids?

  1. Activation of opioid receptors

  2. Inhibition of opioid receptors

  3. Inhibition of dopamine reuptake

  4. Inhibition of serotonin reuptake


Correct Option: A
Explanation:

The primary mechanism of action of opioids is activation of opioid receptors.

Which of the following is not an opioid?

  1. Morphine

  2. Heroin

  3. Fentanyl

  4. Buprenorphine


Correct Option: D
Explanation:

Buprenorphine is not an opioid, but rather an opioid antagonist.

What is the primary mechanism of action of anticonvulsants?

  1. Inhibition of voltage-gated sodium channels

  2. Inhibition of voltage-gated calcium channels

  3. Inhibition of voltage-gated potassium channels

  4. Inhibition of GABA reuptake


Correct Option: A
Explanation:

The primary mechanism of action of anticonvulsants is inhibition of voltage-gated sodium channels.

Which of the following is not an anticonvulsant?

  1. Phenytoin

  2. Carbamazepine

  3. Valproate

  4. Lithium


Correct Option: D
Explanation:

Lithium is not an anticonvulsant, but rather a mood stabilizer.

What is the primary mechanism of action of antiparkinsonian drugs?

  1. Inhibition of dopamine reuptake

  2. Inhibition of serotonin reuptake

  3. Inhibition of norepinephrine reuptake

  4. Inhibition of GABA reuptake


Correct Option: A
Explanation:

The primary mechanism of action of antiparkinsonian drugs is inhibition of dopamine reuptake.

Which of the following is not an antiparkinsonian drug?

  1. Levodopa

  2. Carbidopa

  3. Pramipexole

  4. Amantadine


Correct Option: D
Explanation:

Amantadine is not an antiparkinsonian drug, but rather an antiviral drug.

What is the primary mechanism of action of muscle relaxants?

  1. Inhibition of acetylcholine release

  2. Inhibition of acetylcholine reuptake

  3. Inhibition of dopamine reuptake

  4. Inhibition of serotonin reuptake


Correct Option: A
Explanation:

The primary mechanism of action of muscle relaxants is inhibition of acetylcholine release.

Which of the following is not a muscle relaxant?

  1. Baclofen

  2. Diazepam

  3. Cyclobenzaprine

  4. Methocarbamol


Correct Option: B
Explanation:

Diazepam is not a muscle relaxant, but rather an anxiolytic.

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