Warfarin therapy is prolonged by all except______________?

Related Mcqs:

1. Which of the following drugs when used for prolonged period in the maintenance treatment of tonic-clonic seizures can lead to increased metabolism of warfarin like drugs?

   A. Phenobarbital.
   B. Meprobamate
   C. Chlordiazepoxide
   D. Triazolam
   E. Zolpidum

   Submitted by: Dr.Tassawer-e-Meran

2. The oral microblal fiora of a patient on prolonged broad spectrume antibiotic therapy is predominantly____________?

   A. Anaerobic
   B. Gram positive organism
   C. Gram negative organisms
   D. Yeast and fungi

3. H antagonists are effective in the therapy of all the following except______________?

   A. Common cold
   B. Systemic anaphylaxis
   C. Motion sickness
   D. Parkinsonism

4. The following drugs are avoided with warfarin ______________?

   A. Antacids
   B. Benzodiazepine
   C. Nsaid’s like Ibuprofen
   D. Codeine, dihydrocodeine, paracetmol

5. The anticoagulant action of Warfarin is potentiated by all except_____________?

   A. Phenylbutazone
   B. Vitamin K
   C. Rifampicin
   D. B & C

6. Which of the following is one for a patient on coumarin (warfarin) therapy_______________?

   A. Partial thromboplastin time ( PTT)
   B. Prothrombin time (PT)
   C. Bleeding time (BT)
   D. Capillary fragility test (CFT)

7. A patient on warfarin sodium following myocardial infarction reports for an oral surgical procedure which one of the following laboratory tests should be preferred to ascertain the fitness_______________?

   A. Prothrombin time
   B. Tourniquet time
   C. Clotting time
   D. Bleeding time

8. Clotting time is most like to be prolonged by the administration of____________?

   A. Vitamin K
   B. Barbiturates
   C. Acetominophen
   D. Acetyl salicylic acid

9. Prolonged use of aspirin leads to______________?

   A. peptic ulcer
   B. Bleeding defects
   C. Carcinoma
   D. A & B

10. With prolonged use in seizure states, which of the following drugs can cause coarsening of facial features, hirsutism, gingival hyperplasia and osteomalacia?

    A. Valproic acid.
    B. Carbamazepine.
    C. Ethosuximide.
    D. Phenytoin

    Submitted by: Dr.Tassawer-e-Meran