antiepileptic medications

Topic: Pathology

Created on Saturday, September 2 2006 by

Last modified on Saturday, September 2 2006.

 
        A) Phenobarbital works via an unknown mechanism.
 
        B) Clonazepam causes reduction of sodium currents.
 
        C) Oxcarbazepine is indicated for treatement of complex partial seizures.
 
        D) Lamotrigine has no known significant drug interactions.
 
        E) Clonazepam is indicated for treatment of atonic seizures.
 

 

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This question was created on September 02, 2006 by .
This question was last modified on September 02, 2006.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Phenobarbital works via an unknown mechanism.

This answer is incorrect.

The statement, "Phenobarbital works via an unknown mechanism." is true.
Phenobarbital causes reduction of sodium currents, causes increase of GABA-mediated currents, is a glutamate receptor antagonist, works via an unknown mechanism, is indicated for treatment of partial seizures, is indicated for tonic-clonic, is metabolized primarily in the liver, induces hepatic enzymes, is a known teratogen, or evidence for its teratogenicity exists, is excreted in breast milk, and can be given as a loading dose.  (See References)

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B) Clonazepam causes reduction of sodium currents.

This answer is incorrect.

The statement, "Clonazepam causes reduction of sodium currents." is true.
Clonazepam causes reduction of sodium currents, causes increase of GABA-mediated currents, is indicated for treatment of absence seizures, is indicated for treatment of atypical absence seizures, is indicated for treatment of atonic seizures, is indicated for treatment of myoclonic seizures, is metabolized primarily in the liver, and is a known teratogen, or evidence for its teratogenicity exists.  (See References)

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C) Oxcarbazepine is indicated for treatement of complex partial seizures.

This answer is incorrect.

The statement, "Oxcarbazepine is indicated for treatement of complex partial seizures." is true.
Oxcarbazepine causes reduction of sodium currents, is indicated for treatement of complex partial seizures, is indicated for treatment of partial seizures, is indicated for treatment of partial seizures with secondary generalization, is metabolized primarily in the liver, is approved as adjunct therapy only, induces hepatic enzymes, and is excreted in breast milk.  (See References)

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D) Lamotrigine has no known significant drug interactions.

This answer is correct.

The statement, "Lamotrigine has no known significant drug interactions." is false.
Lamotrigine causes reduction of sodium currents, causes increase of GABA-mediated currents, is a glutamate receptor antagonist, is indicated for treatment of partial seizures, is indicated for tonic-clonic, is indicated for treatment of atonic seizures, is indicated for treatment of tonic seizures, is indicated for treatment of myoclonic seizures, is indicated for treatment of Lennox-Gastaut syndrome, is metabolized primarily in the liver, and is excreted in breast milk.  (See References)

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E) Clonazepam is indicated for treatment of atonic seizures.

This answer is incorrect.

The statement, "Clonazepam is indicated for treatment of atonic seizures." is true.
Clonazepam causes reduction of sodium currents, causes increase of GABA-mediated currents, is indicated for treatment of absence seizures, is indicated for treatment of atypical absence seizures, is indicated for treatment of atonic seizures, is indicated for treatment of myoclonic seizures, is metabolized primarily in the liver, and is a known teratogen, or evidence for its teratogenicity exists.  (See References)

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References:

1. Browne, T.R., & Holmes, G.L. (2004). Handbook of Epilepsy, 3rd Edition. Lippincott Williams & Wilkins, Philadelphia., Leppik, I.E. (2001). Contemporary Diagnosis and Management of the Patient with Epilepsy, 5th Edition. Handbooks in Health Care, Newtown, Pennsylvania.

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pathology
antiepileptic medications
Question ID: 540025025
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/02/2006
Modified: 09/02/2006
Estimated Permutations: 0