Infection with human immunodeficiency virus (HIV) endangers health by
A. weakening the reproductive system.
B. destroying the immune system.
C. increasing one's susceptibility to sexually transmitted diseases.
D. destroying hemoglobin in red blood cells.
Answer: B
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In the constructed term brady/cardi/a, the prefix is ________
Fill in the blank(s) with correct word
The prefix for through is:
A. Ad- B. Peri- C. Per- D. Ana-
According to a recent nationwide study on student health, most students describe their health as
A) very good or excellent. B) good. C) fair. D) poor.
A double-blind research design is one in which
A. neither the subject nor the investigator know what treatment had been administered. B. only the investigator knows what treatment has been administered. C. the subject does not know which treatment he/she has been administered. D. both the subject and the investigator know what treatment had been administered.