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I think the correct answer to this question is B. Respiratory Infection.
Answer:
sign of infection
Explanation:
Purulent drainage is a type of fluid that is released from a wound. Often described as being “milky” in appearance, it's almost always a sign of infection.
Answer:
no, the original research subjects must be reconsented for the cancer research
Explanation:
In medical researches, need to be a consented signed by the patients, because is going to be used some biological and genetic part of the human.
Also, if the research goes to a different study, the patient need to know.
In studies like this there need to be patient protection of privacy, in which if the studies work as they do not consider the origin of the sample. Also there need to be, in case of successful, mention the economic benefits of the person if they generate.
