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? VEGF Interferons PDGF Collagens TGF-beta(Question 1 of 10)2. The following factor increases the rigidity of an external fixator except: Increased diameter of pins Decreased pin group separation Half pins separated by 45° Increased pin number Decreased bone-rod distance (Question 2 of 10)3. the drug that is known to cause tendinitis and tendon rupture when administered in children? Pencillin Ciprofloxacin Rifampicin Amikacin(Question 3 of 10)4. River water contamination in open fracture leads to increase risk of infection with which of the following organism? Treponema pallidum Clostridium welchi Pseudomonas Aeuriginosa Staphylococcus epidermidis Eikinella corrodens(Question 4 of 10)5. Bacterial growth in a biofilm or “slime layer” around an implant may be resistant to antibiotic therapy because of bacterial van Der Waal's forces Poor vascular supply Phenotypic changes in surface-adherent bacteria changing their antibiotic susceptibility pH alterations(Question 5 of 10)6. Osteoblasts found in callus around a fracture is derived from Stem cells in the connective tissue Local connective tissue Reticuloendothelial cells Mononuclear white cells derived from fracture hematoma local migration from Bone marrow of the exposed medulla Endothelial and perithelial cells of invading capillaries(Question 6 of 10)7. What is the main component of articular cartilage? water lipids collagen proteoglycans (Question 7 of 10)8. Changes in articular cartilage resulting from normal aging include all the following except Increased water concentration Decreased stability of large proteoglycan aggregates chondrocyte synthetic activity is decreased Increased crosslinking of collagen superficial cartilage fibrillations(Question 8 of 10)9. What is the predominant collagen of articular cartilage and ligaments respectively? Type I and type III Type IV and Type II Type III and Type II Type II and Type I (Question 9 of 10)10. Proteoglycan content is highest in which of the following regions of articular cartilage The middle zone The subchondral zone The deep zone The zone of calcified cartilate The superficial zone (Question 10 of 10) Loading ... Get explanatory asnwers from our book, <br /> Post Views: 5,968 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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