1. Which cell releases vasoactive amine increase vascular permeability? Leukocyte Mast cell Fibroblast Macrophage 2. Sulfonylureas acts by: Ca+2 channel activation K+ channel closure Activating DPP-4 Increasing cell sensitivity 3. Blood transfusion reaction occurs due to: ABO incompatibility Anaphylactic reaction Complement mediated Due to proteins 4. Non phagocytic cells involved in immunity causes lysis of viral infective cells and tumour cells: NK cells Macrophage T lymphocyte Non sense cell 5. In chronic granulomatous inflammation, which of the following process is most likely to predominate Exudation Proliferation Transudation Congestion 6. All of the following tissues regenerate, except: Liver Striated muscle Bone Intestinal mucosa 7. All of the following are tumor suppressor genes, RAS WT-1 NF-2 PTEN 8. All of the following statements concerning serotonin are true, except: It is widely considered to be a neurotransmitter It is present in the brain 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 9. Acute infection causes: Neutropenia Leucopenia Leucocytosis Monocytosis 10. Cross beta-pleated sheet structure in amyloidosis is determined by: Light microscopy X-ray crystallography Polarized microscopy Electron microscopy 11. Interferon gamma release assay (IGRA) is used for diagnosis of: Hepatitis B HIV Tuberculosis Syphilis 12. Incomplete fractures of the bone are called Compound fracture Simple fracture Comminuted fracture Green stick fracture 13. Bence jones proteinuria may be seen in: Epsilon heavy chain disease Mu heavy chain disease Gamma heavy chain disease Alpha heavy chain disease 14. Which of the following is a neoplasm derived from all three germ cell layers? Teratoma Carcinoma Sarcoma APUDoma 15. All cells do not divide at the same rate. Events in which phase of the cell cycle determine when a cell is going to replicate? M phase G1 phase G2 phase S phase 16. A small foreign molecule that is not immunogenic by itself but can react with specific antibody is called a (an): Hapten Plasmid Immunogen Epitope 17. Diabetic diarrhoea drug preferred is: Loperamide Promethazine Domperidone Metoclopramide 18. Hay fever and allergies to certain foods are examples of: Cell-mediated or delayed hypersensitivity reactions Atopic allergies Immune complex-mediated hypersensitivity reactions Antibody-dependent cytotoxic hypersensitivity reactions 19. Main feature of Antiphospholipid antibody syndrome: Hypercoagulability of blood Recurrent infections Recurrent bleeding Vascular injury 20. Pyknosis is characterized by Nucleus disintegration Nuclear basophilia Nucleolus disintegration Nuclear Shrinkage Loading … Question 1 of 20