1. Sulphonamides act by Allosteric inhibition Competitive inhibition Non competitive inhibition None of these 2. Buprenorphine is Partial agonist Pure antagonist None Pure agonist 3. Which of the following agent causes interstitial nephritis Cloxacillin Ampicillin Methicillin Amoxicillin 4. Cephalosporin act by: Inhibiting protein synthesis Acts as cytoplasmic poison Altering the transcription Inhibiting cell wall synthesis 5. Drug inhibiting cell wall synthesis: Vancomycin Clindamycin Azathioprine Erythromycin 6. All of the following are topically used sulphonamides except Sulphacetamide Sulphadiazine Mafenide Silver suphadiazine 7. Cardiac arrythmias are most commonly seen during administration of Nitrous oxide Halothane Thiopental Ether 8. Which drug causes photosensitivity Aminoglycoside Penicillin Tetracycline Cephalosporin 9. Hallucinations are seen after following anaesthesia Ketamine Thiopentone Nitorus oxide Fentanyl 10. General anesthetics can do all of the following EXCEPT produce a state of unconsciousness. stimulate medullary centers. reduce perception of painful stimuli. produce delirium. 11. Which of the following statements is not true regarding sulphonamides Sulphasalazine is absorbed well from GIT Crystalluria can occur with sulphonamide administration Sulphonamide administration to newborn may cause kernicterus Sulphonamides are of value in treatment of infections due to nocardia species 12. 25 years old asthmatic patient on theophyllline is given ciprofloxacin by dentist. He developed dyspnoea and palpitation. What could be the cause ciprofloxacin inhibits metabolism of theophylline ciprofloxacin displaces receptor binding of theophylline ciprofloxacin increases metabolism of theophylline ciprofloxacin reduces plasma protein binding of theophylline 13. Central muscle relaxants act by Causing CNS depression Decreasing nerve conduction Inhibiting spinal polysynaptic reflexes Blocking conducrion across NM junction 14. True statement regarding development of drug resistance in MRSA is Occurs due to change in penicillin binding proteins Chromosome mediated Results due to penicillinase enzyme production Treated with amoxicillin + clavulanic acid 15. Elevation of glucose by corticosteroids is counteracted by insulin is an example CHEMICAL antagonism Noncompetitive antagonism Physiological antagonism Competitive antagonism 16. Which of the following drugs inhibit an enzyme in the prostaglandin synthesis Alteplase Aspirin Aminocaproic acid Aprotinin 17. Frontal headache is caused by which of the following: Ketorolac Meproxicam lndomethacin Acetaminophen 18. 5HT1 agonists are used as For chemotherapy induced vomiting For GERD Antianxiety drug Antipsychotic drug 19. Most effective treatment for severe malaria is Chloroquine Quinine Artesunate Primaquine 20. Drug not used in H.pyroli infection Metronidazole Mosapride Omeprazole amoxicillin Loading … Question 1 of 20