1. A simple bacteria test for mutagenic carcinogens is – .Gene splicing. Ames test. Redox test. Bacteriophage 2. In HIV infection, which of the following is seen? Alteration in ratio of RBCs to WBCs Alteration of helper T cells to cytotoxic T cells ratio Alteration in number of platelets Variation in B cells and T cells ratio 3. The cells which do not undergo mitotic divisions Smooth muscle cells Bone marrow cells Neurons Endothelial cells 4. Irreversible dementia is caused due to: Vascular dementia Subarachnoid hemorrhage Wilson’s disease Normal pressure hydrocephalus (NPH) 5. In a case of sporadic ataxia, what lab investigation is not done: Vit B1 Vit E TSH Serum folate 6. Fine needle aspiration cytology is not suitable for diagnosing: Plasmacytoma Aneurismal bone cyst Tubercular lymphadenitis Papillary carcinoma thyroid 7. Most common cause thromboembolism: Pulmonary vein Leg vein Brachiocephalic artery Carotid artery 8. All of the following statements concerning serotonin are true, except: It is widely considered to be a neurotransmitter It is believed to play a role in temperature regulation, in sensory perception and in the onset of sleep It is synthesized from the amino acid arginine It is present in the brain 9. Prostacyclin and thromboxane are products of which pathway? Cyclooxygenase Fibrinolytic Lipoxygenase Complement cascade 10. Prosthetic valve endocarditis is caused by: S. Mutans Staph aureus Group A Streptococci Strep viridians 11. Transudate is characterized by: Specific gravity of above 1.018 Associated inflammatory conditions Tendency to clot Low protein content 12. Difference in transudate and exudate is that the former has a: Low protein Cloudy appearance High protein Increased specific gravity 13. Valve involved most commonly in bacterial endocarditis Aortic Semilunar Mitral Tricuspid 14. Which one of the following can be used in the management of hemophilic patient Acetic acid Palmitoic acid Ascorbic acid Tranexamic acid 15. A patient with male androgenic characters and a genetic makeup with 2X and more than 1 Y chromosome would have: Turners syndrome Klinefelter syndrome Aperts syndrome Downs syndrome 16. Ghon focus is associated with Syphilis Tuberculosis Gonorrhea AIDS 17. Diabetes mellitus type 2 is associated with all of the following characteristics, except: Onset in adulthood Normal or increased insulin synthesis Autoimmune origin Associated with obesity 18. A patient came to the hospital with kidney damage. Blood smear showed thrombocytopenia and schistocytes. What do you suspect: Tumor lysis syndrome Lymphoma Sjogren’s syndrome hromobotic thrombocytopenic purpura 19. A beta thalassemia patient was given 125 packets of packed RBCs. Which additional drug should be given to this patient: Desferroxamine Butyrates Hydroxyurea Cytarabine 20. Cellular swelling and fatty change are example of Irreversible injury None of the above Both A and B Reversible injury Loading … Question 1 of 20