Worldwide, the vast majority of HIV infections are due to ________
a. homosexual contact
b. needle exchanges
c. heterosexual contact
d. blood transfusions
Answer: C
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Sarah is being very conscientious about minimizing her risks for STIs. She is following many of the suggestions given to her by a sexuality educator. What other suggestion would you make to her?
a. Abstain from intercourse for the rest of your life and then you will be safe. b. Initiate a sexual relationship with your potential partner instead of getting to know him or her. c. Make sure that you are free of STIs, because if you are, then your potential partner is, too. d. Limit your number of sexual partners.
Susan gave birth to a normally formed infant 32 weeks after conception. Medically speaking, this is referred to as a(n) _______ birth
a. early-term b. mature c. full-term d. pre-term
When a man is interested in a woman, according to error management theory, it is most advantageous for a man ____
a. not to bother to try to have a sexual relationship with the woman if there are any doubts that the woman is interested in him b. to try to pursue a sexual relationship with the woman at the risk of rejection and hurt feelings, even if there are doubts that the woman is interested in him c. to pursue only women who have "appearances" that are consistent with a high likelihood of being fertile, otherwise the man may waste time and energy without any resulting offspring d. to "play hard to get," and not openly pursue the woman, because this will make the man seem more attractive to the woman, and thus the woman will end up pursuing the man
________ refers to the expansion of the cervical opening (to approximately 10 cm) in preparation for birth.
A. Effacement B. Dilation C. Contraction D. Aspiration E. Vacuum extraction