Abnormal sperm shape, or ___________, can cause infertility.
A. motility
B. morphology
C. concentration
D. none of these
Ques. 2The term labor force participation refers to
A. the number of people in a country who are working.
B. the percentage of people in a given country who are working.
C. the number of people in a country who are working or are looking for work.
D. the amount of active work done by each laborer.
Ques. 3A research study that samples a cohort of men at age 20 to assess health behaviors, then contacts these same men every five years to reassess for changes in health behaviors and health status, can best be described as
A. cross-cultural.
B. cross-sectional.
C. longitudinal.
D. case study.
Ques. 4Which sexually transmitted infection is not actually a single virus, but a class of more than 70 viruses, some of which can lead to cervical cancer?
A. chancroid
B. syphilis
C. chlamydia
D. human papillomavirus
Ques. 5_________ describes people who experience a broad range of sexual feelings and attractions, including to those who do not fit into the simple gender categories of male and female.
A. Heterosexual
B. Homosexual
C. Bisexual
D. Pansexual
Ques. 6Which of the following is NOT true about speed dating, according to your text?
A. It was originally created for Jewish singles.
B. It is superficial by nature.
C. It began in the late 1970s.
D. Speed dating is now used by heterosexuals, homosexuals, and a number of religious and ethnic groups.
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