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Author Question: Phenytoin is an anticonvulsant medication with some antiarrhythmia properties. Mr. Cubber is already ... (Read 83 times)

ARLKQ

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on: Jul 11, 2018
Phenytoin is an anticonvulsant medication with some antiarrhythmia properties. Mr. Cubber is already receiving phenytoin to control seizure activity. He recently started on isoniazid for tuberculosis, aspirin for arthritis, and Tagamet for ulcers.
 
  Next month, you may find
  a. Abnormal increase in serum phenytoin levels
  b. Decrease in phenytoin serum levels
  c. No change in levels
  d. Increased folic acid

Question 2

Theophylline is
 
  a. A vasodilator
  b. A bronchodilator
  c. An antibiotic
  d. A diuretic


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nyrave

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Reply #1 on: Jul 11, 2018
Answer to Question 1

A
Isoniazid, aspirin (acetylsalicylic acid), and cimetidine (Tagamet) all would cause an increase in serum phenytoin levels. Folic acid (response D) would not be affected. Responses B and C are incorrect.

Answer to Question 2

B
Theophylline is a bronchodilator. Responses A, C, and D are incorrect.


ARLKQ

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Reply #2 on: Jul 11, 2018
Thank you :)


nyrave

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Reply #3 on: Jul 11, 2018
Happy to help you


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