Basic Science Exam Module This exam must be completed in 15 minutes. Click here to start the exam Time left: 900 1. Bone Morphoenic Protein belongs to which superfamily of molecules? TGF-beta Interferons VEGF PDGF Collagens(Question 1 of 10)2. What is the main component of articular cartilage? water collagen lipids proteoglycans (Question 2 of 10)3. River water contamination in open fracture leads to increase risk of infection with which of the following organism? Clostridium welchi Treponema pallidum Staphylococcus epidermidis Eikinella corrodens Pseudomonas Aeuriginosa(Question 3 of 10)4. The following factor increases the rigidity of an external fixator except: Decreased bone-rod distance Half pins separated by 45° Increased diameter of pins Decreased pin group separation Increased pin number (Question 4 of 10)5. the drug that is known to cause tendinitis and tendon rupture when administered in children? Rifampicin Ciprofloxacin Amikacin Pencillin(Question 5 of 10)6. Osteoblasts found in callus around a fracture is derived from Endothelial and perithelial cells of invading capillaries Stem cells in the connective tissue Local connective tissue Reticuloendothelial cells local migration from Bone marrow of the exposed medulla Mononuclear white cells derived from fracture hematoma(Question 6 of 10)7. Proteoglycan content is highest in which of the following regions of articular cartilage The superficial zone The middle zone The zone of calcified cartilate The deep zone The subchondral zone (Question 7 of 10)8. What is the predominant collagen of articular cartilage and ligaments respectively? Type I and type III Type II and Type I Type III and Type II Type IV and Type II(Question 8 of 10)9. Changes in articular cartilage resulting from normal aging include all the following except Increased water concentration chondrocyte synthetic activity is decreased Decreased stability of large proteoglycan aggregates Increased crosslinking of collagen superficial cartilage fibrillations(Question 9 of 10)10. Bacterial growth in a biofilm or “slime layer” around an implant may be resistant to antibiotic therapy because of pH alterations Phenotypic changes in surface-adherent bacteria changing their antibiotic susceptibility bacterial van Der Waal's forces Poor vascular supply(Question 10 of 10) Loading ... Get explanatory asnwers from our book, <br /> Post Views: 6,193 Related Posts Basic Science Exam Module 2Get explanatory answers from our book, Hand Surgery Exam ModuleGet explanatory answers from our book, Spine Surgery Exam ModuleGet explanatory answers from our book,
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