This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Hyaline cartilage is composed of which type of fibrils - \nSelect and explain. \nA. Collagen Type I, B. Collagen Type II, C. Collagen Type III, D. Collagen Type IV', 'role': 'user'}, {'content': "Answer: B \nExplanation: (B) (Collagen Type II) (63 Robbins - Basic Pathology 9th) (170 Harsh Mohan 6th) (44,51 Lippincott's 6th)* Collagen is the most abundant of the fibrous proteins** that constitute more than 25% of the protein mass in the human body.* The collages are composed of three separate polypeptide chains braided into a rope-like triple helix** Genetic defects in these collagens cause diseases such as Ehlers - Danlos syndrome, Scurvy (Vitamin C deficiency), Osteogenesis imperfecta **** Defective regulation of collagen synthesis leads to hypertrophied scar, fibrosis and organ dysfunction.* Morphologically, the smallest units of collagen are collagen fibrils. COLLAGEN TYPETissue Distribution A) FIBRIL FORMING-I* Skin, bones, tendon, blood vessels, corneaII* Cartilage, Intervertebral disc, Vitreous bodyIII* Blood Vessels, Skin muscle B) NETWORK FORMING -IV* Basement membrane***VIII* Corneal and vascular endothelium C) FIBRIL-ASSOCIATEDIX* CartilageXII* Tendon, ligament some other tissues", 'role': 'assistant'}]