The type of ovarian follicle that ruptures at the time of ovulation is called a
A.primary follicle.
B.graafian follicle.
C.secondary follicle.
D.primordial follicle.
Of the sperm cells introduced into the vagina during sexual intercourse, what percentage actually reach the secondary oocyte?
A.less than 1 percent
B.12 percent
C.5 percent
D.2 percent
Which of the following is the correct order of developmental stages?
A.neonate - zygote - morula - blastocyst - embryo - fetus
B.morula - zygote - blastocyst - embryo - fetus - neonate
C.zygote - blastocyst - morula - embryo - fetus - neonate
D.zygote - morula - blastocyst - embryo - fetus - neonate
Which of the following is a teratogen?
A.cocaine
B.alcohol
C.pesticides
D.All of the above
During in vitro fertilization,
A.a woman is given hormone treatment and is then artificially inseminated with donated semen.
B.a woman is artificially inseminated with the husband's semen.
C.the husband's semen is used to artificially inseminate a secondary oocyte donor.
D.fertilization happens in a laboratory dish.
Amniocentesis involves withdrawing amniotic fluid to analyze fetal cells
True
False
Before a sperm cell can fertilize an ovum, it has to undergo a series of changes in the female reproductive tract called __________.
A.lubrication.
B.palpation.
C.maturation.
D.capacitation.
The rapid mitotic cell divisions of the zygote that occur immediately after fertilization are called
A.cleavage.
B.development.
C.gravidation.
D.differentiation.
The term neonatal period defines the first __________ days after birth.
A.40
B.28
C.8
D.36
Anencephaly means “without brain” and occurs about once in every 1000 births.
True
False
Quick Reply
