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14240927-Quiz-Musculoskeletal - Musculoskeletal 17Mar2009 1...

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Musculoskeletal 17Mar2009 DO NOT DISTRIBUTE - 1 - 1 – Histology: Connective Tissue 1.1) Which of the following types of connective tissue falls under the category of connective tissue proper? a) Blood b) Cartilage c) Bone d) Adipose e) Tendons 1.2) Which of the following is the main component in connective tissue, making up about 25% of the total protein content in mammals? 2.1) Which of the following is the main functional component in tendons, ligaments, and aponeurosis? 2.2) Which of the following is the initial site where pathogenic bacteria have breached the epithelial surface, is the site of inflammatory and immune reactions, and undergoes considerable swelling in areas such as the lamina propria of mucous membranes? 2.3) Which of the following can be found in the submucosa of hollow organs, is made of mostly collage fibers, and can withstand stress of varying organs and tissues? a) Loose connective tissue b) Dense regular connective tissue c) Dense irregular connective tissue d) Tendons e) Ligaments Match the definition with the term: 3.1) Fibrous sheet, multiple orthogonal layers, cornea of eye a) Tendons 3.2) Fibrous cord, stellate H&E cross-section, muscle to bone b) Ligaments 3.3) Band or sheet, fibrous tissue, parallel layers, bone to bone c) Aponeurosis 4.1) What type of collagen forms a nonfibrillar network (no banded fibrils) that provides adhesion to the basement membrane?
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Musculoskeletal 17Mar2009 DO NOT DISTRIBUTE - 2 - 4.2) What type of bonding gives collagen its strength? a) Electrostatic b) Van der Waals c) Head to tail attachments d) Hydrogen e) Covalent 4.3) What vitamin is required for the function of prolyl hydroxylase and lysyl hydroxylase, which are involved in the formation and stabilization of collagen? 4.4) Reticular fibers, like collagen fibers, exhibit a 68nm banding pattern and provide a supporting framework for the cellular constituents of various tissues and organs. Reticular fibers are mostly composed of what type of collagen? a) Type I b) Type II c) Type III d) Type IV e) Type V
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