Which of the following to the ability of sperm to move when ejaculated?
A. Fertility
B. Mobility
C. Viability
D. Sustainability
E. Motility
Answer: E
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What is the function of the vernix?
a. It maintains the baby's head in a "pointed" shape to facilitate passage through the birth canal. b. It provides structural support for the head of the fetus, as the neck and back develops. c. It protects the fetus from its constant immersion in amniotic fluid. d. It stores fats and cholesterol in the placenta, maintaining a nutrient-rich reserve for the fetus.
One of the reasons that mixed-methods approaches are becoming more popular in family research is because ______.
A. they are much simpler to use B. researchers rarely use single methods approaches anymore C. family forms are becoming more diverse D. they have always been used in research on families
Which of the following is a drawback of the side lying position?
A. For men with difficulties reaching orgasm, this position is less stimulating B. May feel too impersonal due to the lack of face-to-face contact C. No real possibility for eye contact or kissing D. Much more difficult to insert penis into vagina E. Penetration may be uncomfortably deep for woman
Nägele's rule is used to determine
A. whether a pregnancy is normal or ectopic. B. whether the cervix has dilated sufficiently. C. the bodyweight of the fetus. D. a woman's expected date of delivery.