Basic Science Exam Module This exam must be completed in 15 minutes. Click here to start the exam Time left: 900 1. Bacterial growth in a biofilm or “slime layer” around an implant may be resistant to antibiotic therapy because of Poor vascular supply bacterial van Der Waal's forces Phenotypic changes in surface-adherent bacteria changing their antibiotic susceptibility pH alterations(Question 1 of 10)2. 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 2 of 10)3. Bone Morphoenic Protein belongs to which superfamily of molecules? TGF-beta PDGF Interferons VEGF Collagens(Question 3 of 10)4. River water contamination in open fracture leads to increase risk of infection with which of the following organism? Pseudomonas Aeuriginosa Eikinella corrodens Clostridium welchi Treponema pallidum Staphylococcus epidermidis(Question 4 of 10)5. Proteoglycan content is highest in which of the following regions of articular cartilage The middle zone The subchondral zone The superficial zone The zone of calcified cartilate The deep zone (Question 5 of 10)6. What is the main component of articular cartilage? collagen lipids water proteoglycans (Question 6 of 10)7. Osteoblasts found in callus around a fracture is derived from Stem cells in the connective tissue local migration from Bone marrow of the exposed medulla Endothelial and perithelial cells of invading capillaries Mononuclear white cells derived from fracture hematoma Local connective tissue Reticuloendothelial cells (Question 7 of 10)8. the drug that is known to cause tendinitis and tendon rupture when administered in children? Amikacin Pencillin Rifampicin Ciprofloxacin(Question 8 of 10)9. Changes in articular cartilage resulting from normal aging include all the following except chondrocyte synthetic activity is decreased Decreased stability of large proteoglycan aggregates Increased water concentration Increased crosslinking of collagen superficial cartilage fibrillations(Question 9 of 10)10. The following factor increases the rigidity of an external fixator except: Increased diameter of pins Increased pin number Decreased bone-rod distance Decreased pin group separation Half pins separated by 45° (Question 10 of 10) Loading ... Get explanatory asnwers from our book, <br /> Post Views: 6,128 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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