Basic Science Exam Module This exam must be completed in 15 minutes. Click here to start the exam Time left: 900 1. Proteoglycan content is highest in which of the following regions of articular cartilage The middle zone The superficial zone The zone of calcified cartilate The subchondral zone The deep zone (Question 1 of 10)2. the drug that is known to cause tendinitis and tendon rupture when administered in children? Rifampicin Ciprofloxacin Amikacin Pencillin(Question 2 of 10)3. Changes in articular cartilage resulting from normal aging include all the following except Increased crosslinking of collagen Decreased stability of large proteoglycan aggregates chondrocyte synthetic activity is decreased Increased water concentration superficial cartilage fibrillations(Question 3 of 10)4. Osteoblasts found in callus around a fracture is derived from local migration from Bone marrow of the exposed medulla Stem cells in the connective tissue Mononuclear white cells derived from fracture hematoma Endothelial and perithelial cells of invading capillaries Local connective tissue Reticuloendothelial cells (Question 4 of 10)5. River water contamination in open fracture leads to increase risk of infection with which of the following organism? Staphylococcus epidermidis Eikinella corrodens Pseudomonas Aeuriginosa Clostridium welchi Treponema pallidum(Question 5 of 10)6. 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 6 of 10)7. What is the main component of articular cartilage? lipids collagen water proteoglycans (Question 7 of 10)8. Bone Morphoenic Protein belongs to which superfamily of molecules? Interferons Collagens TGF-beta VEGF PDGF(Question 8 of 10)9. Bacterial growth in a biofilm or “slime layer” around an implant may be resistant to antibiotic therapy because of Phenotypic changes in surface-adherent bacteria changing their antibiotic susceptibility Poor vascular supply bacterial van Der Waal's forces pH alterations(Question 9 of 10)10. The following factor increases the rigidity of an external fixator except: Half pins separated by 45° Decreased bone-rod distance Increased diameter of pins Increased pin number Decreased pin group separation (Question 10 of 10) Loading ... Get explanatory asnwers from our book, <br /> Post Views: 6,038 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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