What percentage of human cancers have been traced to infectious agents, primarily viruses, worldwide?
A) as many as 5 percent
B) between 5 and 10 percent
C) between 10 and 15 percent
D) between 15 and 20 percent
Answer: D
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In exfoliative cytology, the cells for examination are obtained by:
A) incision. B) syringe. C) needle. D) scraping.
A patient who might have TB could have all of the following tests done EXCEPT ________
A) tine test B) Mantoux test C) chest x-ray D) arterial blood gas test
One of the most positive influences encouraging young people not to use drugs are media sources, such as movies.
Answer the following statement true (T) or false (F)
The two contraceptive methods most commonly used by college students are
A) birth control pills and withdrawal. B) birth control pills and male condoms. C) birth control pills and Depo-Provera shots. D) male condoms and withdrawal.