A6-year-old boy presents with lethargy and bone pain. A physical exam reveals that he has bleeding from his gums. A diagnosis of scurvy is made, which is a defect or deficiency of which of the following? O calcitriol o vitamin C calcium O growth hormone O testosterone Question 11 1 pts Which of the following is the most likely cause of post-menopausal osteoporosis among educated women in the United States?

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