Campbell Essential Biology Study Set 3
Quiz 2 :
Essential Chemistry for Biology
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Q45 Q45 Q45
The data below are from three separate studies that tested different treatment options for prostate cancer. Based on these data you might conclude that after 10 years, radioactive seeds are a more effective treatment option than external radiation for prostate cancer. What is a possible confounding factor that could lead to the results below?
Q49 Q49 Q49
A cancer patient receives an injection of the drug on March 1. Suppose that the patient must receive a second injection once the amount of the drug decreases to less than 6% in his or her body. On approximately what day should the cancer patient schedule an appointment to receive another injection?