1) Bony union taking place with formation of medullary callus without periosteal callus formation is______________? a. Primary union b. Secondary union c. Both of the above d. None of the above
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2) Factors inhibiting wound healing____________? a. Infection b. Cortisol c. Foreign Bodies d. All of the above
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3) The persistence of epithelial cells after wound healing give rise to_______________? a. Implantation cyst b. Keloid c. Wound dehiscence d. Cicatrisation
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4) Large open wounds that are characterized by tissue loss and repaired by formation of granulation tissue in the floor of the wound is characteristic of______________? a. Secondary healing b. Primary healing c. Cicatrisation d. Regeneration
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5) Granulation tissue contains_____________? a. Giant cells b. Fibroblasts c. Endothelial cells d. B & C
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6) The cells which have the capacity to multiply through out their life_____________? a. Stable cells b. Permanent cells c. Labile cells d. None of the above
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7) Important components of collagen synthesis, wound strength and contraction include all of the following EXCEPT ? a. Fibroblasts b. Myofibroblasts c. Vitamin C d. Vitamin D
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8) 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 ? a. M phase b. G1 phase c. S phase d. G2 phase
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9) Correct sequence of cell cycle ? a. Go – G1 – S – G2 – M b. Go – G1 – G2 – S – M c. Go – M – G2 – S – G1 d. Go – G1 – S – M – G2
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10) Peripheral nerve regenerates at the rate of ________ mm per day? a. 1 b. 2 c. 0.5 d. 5
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11) All are desirable in the union of the fracture site except____________? a. Formation of fibrous joint or pseudoarthrosis b. Remodeling of bone c. Formation of blood clot d. Formation of procallus or osseous cells
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12) Incomplete fractures of the bone are called___________? a. Comminuted fracture b. Compound fracture c. Simple fracture d. Green stick fracture
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13) The factor which gives strength in wound healing_____________? a. Collagen b. Blood supply c. Growth factors d. Hormones
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14) All of the following events are common to primary and secondary wound healing except_____________? a. Formation of blood clot b. Inflammatory response c. Epithelial changes d. Wound contraction
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15) Wounds which are clean uninfected and surgically incised, with edge of wounds approxiamated by sutures heal by____________? a. Primary intention b. Secondary intention c. Cicatrisation d. All of the above
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16) The cells which do not undergo mitotic divisions___________? a. Smooth muscle cells b. Endotheilial cells c. Bone marrow cells d. Neurons
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17) Which of the following has least capacity for regeneration_________________? a. Cardiac muscle b. Skeletal muscle c. Neurons d. All of the above
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18) Synthesis of DNA occurs in Which phase of cellAcycle________________? a. Mitosis – M phase b. Gap – G2 phase c. Gap – G1 phase d. Synthesis – S phase
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19) Tumour which shows origin from more than one germ layers is known as________________? a. Teratoma b. Plemorphic tumours c. Choristoma d. Hamartoma
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20) Immune response to tumour is mediated by_______________? a. Cytotoxic T – lymphocytes b. Natural killer cells c. Humoral mechanism d. All of the above
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