What function does amniotic fluid perform?
A. It propels eggs through the fallopian tubes.
B. It helps sperm dissolve the zona pellucida.
C. It maintains the fetus at a constant temperature.
D. It facilitates conception during ovulation.
Answer: C
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Individuals selected to respond to a researcher's request for information are called _______
a. respondents b. co-investigators c. assistants d. experimenters
Before abortion began to be criminalized in the mid-nineteenth century, it is estimated that up to ____ of all conceptions were terminated by abortion
a. 5% c. 25% b. 15% d. 35%
Which of the following is a common thread found in sexual identity formation for sexual minority men and women?
A. Signs of sexual attraction towards children B. Heightened sexual attraction and sexual promiscuity C. Signs of sexual attraction solely toward the opposite sex D. Lack of sexual attraction toward any sex E. Signs of a same-sex sexual orientation
Which of the following is a disadvantage of vasectomies?
A. They are not easily reversed. B. They have a high failure rate. C. They require long periods of abstinence. D. They prevent men from ejaculating.