Place the blood collection containers, represented by the stoppers in this image, in their proper order of draw.
A. 4, 3, 2, 1
B. 3, 2, 1, 4
C. 1, 2, 3, 4
D. 2, 4, 1, 3
Answer: B
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Although carcinoma of the hard palate is rare in the United States, it is relatively common in some other parts of the world because of different tobacco habits. In which of the following countries is this the case?
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