The anticoagulant action of Warfarin is potentiated by all except_____________?

Related Mcqs:

1. When broad spectrum antibiotics are administered with coumarin anticoagulants, the anticoagulant action may be____________?

   A. Reduced because of enhanced hepatic drug metabolism
   B. Reduced because of increased protein binding
   C. Increased because of reduction of vitamin sources
   D. Increase because of decrease renal excretion of the anticoagulant

2. The following drugs are avoided with warfarin ______________?

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

3. Warfarin therapy is prolonged by all except______________?

   A. Rifampicin
   B. Amoxycillin
   C. Erythromycin
   D. Tetracycline

4. 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

5. 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)

6. The biological anticoagulant is________________?

   A. EDTA
   B. Sodium citrate
   C. Hirundine
   D. Double oxalate mixture

7. The anticoagulant of choice used in the blood bank is_______________?

   A. Calcium oxalate
   B. Heparin solution
   C. Acid citrate dextrose solution
   D. Sodium fluoride

8. Citrate is a useful anticoagulant because of its ability to_____________?

   A. Buffer basic groups of coagulation factors
   B. Bind factor XII
   C. Bind vitamin K
   D. Chelate calcium

9. In PHC, which anticoagulant is used to send the blood sample for blood glucose_____________?

   A. EDTA
   B. Heparin
   C. Potassium oxalate+ sodium fluoride
   D. Potassium oxalate

10. 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