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A 29-year-old female presents to her psychiatrist with concerns that she may be "OCD." She explains that she has become extremely obsessed with making sure that her fruits and vegetables are completely sanitized by first rinsing with water for exactly 60 seconds and then boiling for exactly 60 minutes. She refuses to eat any fruits or vegetables that did not undergo this process, which she began doing about 3 months ago. Which of the following vitamin deficiencies is she most likely to develop?
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Collagen is a very critical structural protein in many of our connective tissues. Defects in collagen produce diseases such as Ehlers-Danlos syndrome, where there is a defective lysyl hydroxylase gene, or osteogenesis imperfecta, where there is a defect in the production of type I collagen. Which of the following represents the basic repeating tripeptide of collagen?
A first-year medical student undergoes a surgical procedure involving a midline laporotomy incision. The patient presents back to the surgeon approximately 3 months later and asks the surgeon: "What type of tissue is causing the scar to form on my abdomen?" The physician promptly answers:
Type 1 collagen
Type 2 collagen
Type 3 collagen
Type 4 collagen