The immune system
a. is very effective against parasites, which is the reason that people in the United States have such a low number of parasitic infections
b. has a difficult time against parasites because of antigenic modulation
c. has a very difficult time versus parasites because of antigenic sequestration
d. B and C
D
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Which of the following is the most appropriate task for a school health aide?
A. conduct individual health appraisals B. perform health screening C. counsel parents and students about health concerns D. maintain health records
The first Olympic Games
A. had elaborate athletic facilities. B. had one event, the Stade race-a footrace of 200 meters, about 600 ancient feet. C. were dedicated to the god Poseidon. D. awarded victors wreaths of holly. E. None of the answers are correct.
Retin/o: __________
Fill in the blank(s) with correct word
Lith/o: __________
Fill in the blank(s) with correct word