When is the most likely time for contamination to occur during orthopedic surgeries?

Heat affects all vitamins. which vitamins are more sensitive to heat and leach into water? a. vitamin a and d b. vitamin b and c c. vitamin e and k d. vitamin d and c

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dacer so i get cardio a lot)

According to the ama, what is the key reason behind a physicians' duty of confidentiality to patients? a. the u.s. constitution requires physicians' confidentiality. b. patients will feel more confident in disclosing information to their physicians. c. sharing a patient medical information is a form of defamation. d. if a physician reveals information about a patient, that information isn't admissible in a lawsuit.