Commercial blood banks
a. often use large-pool fractionating because it is the safest way to process blood.
b. pay donors for their blood.
c. carefully screen all donors for all major diseases to be certain that these diseases are not transmitted from the donor to the patient recipient.
d. are not allowed to sell blood for profit in the United States.
Question 2
Numerous studies and also experience in the job market have shown that
a. employees who do well in most any job category have a wide range of educational backgrounds.
b. white-collar workers, such as secretaries, bank tellers, and insurance agents, who have a college degree perform better at their job than do those with only a high school diploma.
c. a high school diploma is necessary for most factory workers.
d. the educational requirements of most clerical and factory jobs are very closely tied to the actual job requirements.
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