Which of the following factors is the main hurdle in developing a vaccine for human immunodeficiency virus (HIV)?
A. insufficient funds for research and experimentation
B. the time required in the development of the vaccines
C. legal issues around experiments involving HIV
D. the mutative feature of the virus
Answer: D
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Having a regular pap smear is an effective way for women to monitor their exposure to sexually transmitted infections
Indicate whether the statement is true or false.
Which of the following statements represents a principle that presently operates in the interpersonal marketplace of love and attraction?
A. The most attractive males usually end up with high-status occupations but are paired with unattractive females. B. The least attractive males usually end up with low-status occupations and are paired with the less attractive females. C. The worth of persons is based primarily on their depth of character and not their looks. D. Women's worth is based on physical beauty, whereas men's worth is based on economic success.
________ is the study of sexual behavior across the human species, all cultures, and individuals.
Fill in the blank(s) with the appropriate word(s).
_____ is based on the principle of reinforcement and assumes that people will choose actions that maximize rewards and minimize costs.
A. Existentialism B. Social stratification theory C. Positivism D. Social exchange theory