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
Related Mcqs:
- Prolonged administrator of broad spectrum antibiotics results in the formation of_______________?
A. Black hairy tongue
B. Median rhomboid glossitis
C. Geographic tongue
D. Fissured tongue - The anticoagulant action of Warfarin is potentiated by all except_____________?
A. Phenylbutazone
B. Vitamin K
C. Rifampicin
D. B & C - Which of the following is not a broad spectrum antibiotic ?
A. Tetracycline
B. Chloramphenicol
C. Doxycyclin
D. Cephalosporins - The oropharyngeal and oesophageal candidiasis following long-term therapy with a broad spectrum antibiotic can be best treated with____________?
A. Griseofulvin
B. Amphotericin
C. Fluconazole
D. Sulfonates - 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) - Mechanism of action of beta-lactam antibiotics would be______________?
A. Inhibition of bacterial protein synthesis by binding to subunit of bacterial ribosomes
B. Inhibition of cell wall peptidoglycan synthesis by competitive inhibition of transpetidases
C. Reduced drug causes strand breaks in DNA
D. Inhibition of DNA synthesis by inhibiting DNA-Dependent RNA polymerase - Which of the following is not an action of epinephrine when administered intravenously in a high dose ?
A. Increased liver glycogenolysis
B. Causes broachiolar constriction
C. Evokes extrasystoles in the heart
D. Produces restlessness and anxiety - Which of the following exerts its major systemic pharmacological action when administered orally_____________?
A. Insulin
B. Chloral hydrate
C. Procaine
D. Streptomycin - Which drug may be administered even when the patient is on alcoholic beverages ?
A. Animal charcoal
B. Glibenclamide
C. Chloral hydrate
D. Cefixime - The anticoagulant of choice used in the blood bank is_______________?
A. Calcium oxalate
B. Heparin solution
C. Acid citrate dextrose solution
D. Sodium fluoride
