Basic Science Exam Module This exam must be completed in 15 minutes. Click here to start the exam Time left: 900 1. the drug that is known to cause tendinitis and tendon rupture when administered in children? Amikacin Pencillin Ciprofloxacin Rifampicin(Question 1 of 10)2. River water contamination in open fracture leads to increase risk of infection with which of the following organism? Pseudomonas Aeuriginosa Eikinella corrodens Staphylococcus epidermidis Clostridium welchi Treponema pallidum(Question 2 of 10)3. Changes in articular cartilage resulting from normal aging include all the following except Increased water concentration superficial cartilage fibrillations Decreased stability of large proteoglycan aggregates chondrocyte synthetic activity is decreased Increased crosslinking of collagen(Question 3 of 10)4. What is the main component of articular cartilage? water proteoglycans collagen lipids(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 Phenotypic changes in surface-adherent bacteria changing their antibiotic susceptibility pH alterations Poor vascular supply(Question 5 of 10)6. The following factor increases the rigidity of an external fixator except: Increased pin number Half pins separated by 45° Decreased pin group separation Decreased bone-rod distance Increased diameter of pins (Question 6 of 10)7. Bone Morphoenic Protein belongs to which superfamily of molecules? TGF-beta Collagens Interferons PDGF VEGF(Question 7 of 10)8. Osteoblasts found in callus around a fracture is derived from Local connective tissue Reticuloendothelial cells Endothelial and perithelial cells of invading capillaries local migration from Bone marrow of the exposed medulla Mononuclear white cells derived from fracture hematoma Stem cells in the connective tissue(Question 8 of 10)9. Proteoglycan content is highest in which of the following regions of articular cartilage The superficial zone The zone of calcified cartilate The middle zone The deep zone The subchondral zone (Question 9 of 10)10. What is the predominant collagen of articular cartilage and ligaments respectively? Type III and Type II Type I and type III Type II and Type I Type IV and Type II(Question 10 of 10) Loading ... Get explanatory asnwers from our book, <br /> Post Views: 6,012 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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