A. Rifampicin causes hepatic enzyme induction and increase metabolism of OCP’s
B. Decreased absorption of OCP’s
C. Obstruction of fallopian tubes
D. Increase excretion of OCP’s
Related Mcqs:
- A young pregnant woman presents with fulminant hepatic failure. The most likely aetiological agent is_____________?
A. Hepatitis B virus
B. Hepatitis C virus
C. Hepatitis E virus
D. Hepatitis A virus - Oral contraceptive failure occurs in a patient on Rifampicin because of____________?
A. Rifampicin induce the metabolism of contra ceptive
B. Rifampicin simulates gonadotropin relase from pituitary
C. Rifampicin decrease the secretion of progestin
D. Rifampicin antagonize the action of oral contraceptive - A child’s CSF was examined I contains slightly raised or normal PMN cells, raised lymphocytes, absence of mycotic growth, value of protein is normal or above normal, glucose level is normal. The most probable diagnosis is____________?
A. Pyogenic bacterial meningitis
B. Viral meningitis
C. Fungal meningitis
D. Tuberculous meningitis - Tetracycline when given to pregnant woman can cause_______________?
A. Acute hepatic necrosis
B. Discoloration/ staining of hard structures of foetus
C. Increased intracranial pressure in infant
D. All of the above - Pregnant patient can be safely given______________?
A. Tetracycline
B. Paracetamol
C. Metronidazole
D. Barbiturates - A patient is talking terfenadine for cold and comes for tooth extraction. What tablet you have given which makes him suffer from cardiac arrhythmia______________?
A. Erythromycin
B. Doxycycline
C. Penicillin
D. Streptomycin - Within an hour after cementation of cast gold onlay patient complains of shooting pain every time the teeth comes together Most probable explanation is ______________?
A. Supracocclusion of restoration
B. Retained cement in gingival sulcus
C. Excess acid in mix
D. Galvanic current caused by gold onlay occluding with a large restoration - A patient reports with dyspnoea on slight exertion. He also has multiple petechial spots and spontaneous hemorrhage. His RBC count is less than one lakh/mm3 His hematocrit and hemoglobin is low. Most probable diagnosis is______________?
A. Pernicious anemia
B. Thalassemia
C. Aplastic anemia
D. Sprue - A 50 year old obese man complains of several recent abscesses in the gingiva with loosening of teeth. He also suffers from itching of skin and polyuria. The most probable etiology is______________?
A. Scurvy
B. Myxoedema
C. Diabetes mellitus
D. Vitamin A deficiency - After entering radiolucent lesion in a 30 years old man hollow cavity without epithelial lining is seen, the most probable diagnosis is:__________?
A. Aneurysmal bone cyst
B. Static bone cavity
C. Memorrhagic bone cyst
D. Ameloblastoma
