Phenytoin is used in treatment of all of the following EXCEPT:

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Pharmacology CNS Drugs Classification Questions

Question 1 of 5

Phenytoin is used in treatment of all of the following EXCEPT:

Correct Answer: A

Rationale: Phenytoin treats status epilepticus (choice B), partial seizures (choice C), and digitalis-induced arrhythmias (choice D) by stabilizing sodium channels, reducing neuronal excitability or ectopic beats. Petit mal epilepsy (choice A), or absence seizures, responds better to ethosuximide or valproate, not phenytoin, which is ineffective against generalized absence seizures. This exception guides seizure-type-specific therapy.

Question 2 of 5

Drugs useful in treatment of schizophrenia include the following EXCEPT:

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

All of the following are therapeutic indications for aspirin EXCEPT:

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

The anti-inflammatory action of aspirin is due to:

Correct Answer: C

Rationale: Aspirin's anti-inflammatory action (choice C) stems from COX inhibition, blocking prostaglandin synthesis, key mediators of inflammation. Analgesia (choice A) is a separate effect, leukotriene inhibition (choice B) isn't significant, and hypothalamic effects (choice D) relate to fever. This defines its mechanism.

Question 5 of 5

What group of drugs is known to treat schizophrenia?

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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