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Author Question: What antiepileptic classification of drugs works by stabilizing nerve membranes by influencing ionic ... (Read 43 times)

j.rubin

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on: Jul 23, 2018
What antiepileptic classification of drugs works by stabilizing nerve membranes by influencing ionic channels in the cell membrane, thereby decreasing excitability and hyperexcitability to stimulation?
 
  A) Hydantoins
  B) Benzodiazepines
  C) Valproic acid
  D) Carbamazepine

Question 2

Anticholinergics have varied effects on the body. What is one of those effects?
 
  A) Preventing vagal stimulation
  B) Stimulating the release of acetylcholine
  C) Increasing respiratory tract secretions
  D) Increasing secretion of sweat glands


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sokh

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Reply #1 on: Jul 23, 2018
Answer to Question 1

A
Feedback:
The hydantoins stabilize nerve membranes throughout the central nervous system directly by influencing ionic channels in the cell membrane, thereby decreasing excitability and hyperexcitability to stimulation. By decreasing conduction through nerve pathways, they reduce the tonicclonic, muscular, and emotional responses to stimulation. Valproic acid and benzodiazepines increase gamma-aminobutyric acid (GABA) effects and decrease electrical activity. Carbamazepine increases GABA activity and blocks sodium and calcium channels to stop action potentials.

Answer to Question 2

A
Feedback:
Adjunctive therapy to treat peptic ulcer, overactive gastrointestinal (GI) disorders; neurogenic bladder or cystitis; parkinsonism; biliary or renal colic; to decrease secretions pre-operatively; treatment of partial heart block associated with vagal activity; treatment of rhinitis or anticholinesterase poisoning.


j.rubin

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Reply #2 on: Jul 23, 2018
Thanks


sokh

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Reply #3 on: Jul 23, 2018
Welcome :)


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