WorksheetsFertilization and Fetal Development
Total questions: 15
Worksheet time: 4mins
Name the hormone produced by cells around the embryo that maintains the corpus luteum during pregnancy.
Estrogen
Progesterone
hCG
FSH
What is the function of chorion?
To absorb shock in case of fall
To form blood cells
To provide nourishment for the fetus
to permit gas exchange
Which of the following does the nervous system arise from?
ectoderm
mesoderm
endoderm
epidermis
Which portion of the blastula becomes the embryonic placenta?
inner cell mass
embryonic disc
chorion
primitive streak
Which of the following is not one of the extraembryonic membranes?
chorion
amnion
placenta
allantois
Which of the following occurs during early embryonic development in humans?
ciliary action and muscular contraction move the embryo along oviduct.
the embryo develops through the gastrula stage while it travels in the uterus.
rapid division of the embryo occurs only after implantation.
Which of the following substances diffuse across the placenta from mother to the fetus?
hormones
blood
carbon dioxide
When the zygote divides, cleavage occurs.
true
false
Implantation occurs about 36hours after fertilization.
true
false
During pregnancy progesterone prevents the degeneration of the corpus luteum.
true
false
During pregnancy, estrogen stimulates the continued development of the endometrium.
true
false
When birth approaches, progesterone decrease.
true
false
Function of prostaglandins is to stimulate contraction of cervix.
true
false
Oxytocin is produced by the mother's pituitary gland.
true
false
Prolactin, oxytocin and estrogen are the hormones involved in milk production and release.
true
false
