WorksheetsReproductive System II Unit Exam Review
Total questions: 35
Worksheet time: 18mins
The extraembryonic membrane that forms a fluid-filled sac surrounding the fetus is the
chorion
amnion
allantois
yolk sac
What stage of the developing embryo implants into the endometrium of the uterus?
blastocyst
cleavage
morula
zygote
What structure connects the placenta to the fetus?
yolk sac
chorion
amnion
umbilical cord
Oxygenated blood from the placenta returns to the fetus in the
umbilical arteries
umbilical vein
umbilical capillaries
allantois
In ________, implantation occurs somewhere other than in the uterus.
Spontaneous abortion
Cleavage
Gastrulation
Ectopic pregnancy
Stretching of the cervix causes an increase in the blood levels of
estrogen
progesterone
oxytocin
HCG
The period of gestation when the rudiments of all major organ systems are established is the ________ trimester.
first
second
third
fourth
The placenta is a source of which of these hormones?
progesterone
estrogen
HCG
all of the above
Effacement is ________.
implantation of the embryo
closing of the cervix
delivery of the placenta
thinning of the cervix
During gastrulation,
the blastomeres fuse.
the placenta penetrates the endometrium.
three germ layers are formed.
the neural tube closes.
If pregnancy does occur, a layer of tissue from the embryo called the chorion begins to secrete which one of the following hormones?
estrogen
LH
FSH
HCG
During the development following fertilization, the morula becomes a hollow ball of cells called the
blastocyst
fetus
germ layers
zygote
What is gestation?
conception
development
pregnancy
fertilization
The three stages of labor, in the proper order are ________.
dilation, expulsion, delivery of the placenta
contractions, dilation, crowning
contractions, dilation, expulsion
dilation, crowning, expulsion
All of the following can pass through a healthy placenta EXCEPT which one?
some antibodies
blood cells
nutrients
oxygen
As blood enters the fetal circulation from the mother, it does not go through _____ because the organ(s) is/are not fully developed.
heart & liver
lungs & heart
liver & heart
liver & lungs
The correct stages of labor in order is _______.
expulsion, dilation, and placental
placental, dilation, and expulsion
dilation, expulsion, and placental
amniotic rupture, contraction, and expulsion
Oxytocin is released from the _______.
pituitary gland
adrenal gland
prostate gland
thymus gland
These structures exist to allow shortcuts in fetal circulation.
umbilical arteries
foramen ovale & ductus venosus
foramen ovale & umbilical veins
ductus venosus and umbilical veins
Organs completely form after ______.
21 days
3 weeks
8 weeks
5 weeks
Heart, muscles, and bones derive from ______.
ectoderm
mesoderm
endoderm
neuroderm
This hormone suppress FSH and LH secretion and menstruation in pregnancy.
steriod
progesterone
estrogen
aldosterone
The correct order of embryonic development is _____.
gastrulation, implantation, blastula, morula
gastrulation, morula, blastula, implantation,
implantation, morula, blastula, gastrulation
morula, blastula, implantation, gastrulation
Which of the following substances work together with oxytocin to enhance uterine contractions in childbirth?
prostaglandin
FSH
progesterone
HCG
The correct position that the fetus should be in for normal vaginal delivery is ____.
leg first facing backward
head first facing backward
head first facing forward
shoulder first facing up
Which of the following is NOT a function of amniotic fluid?
prevent fetal body parts from sticking together
prevent fetal DNA mutation
provide protection for fetus from trauma, infections, etc...
allow room for fetal growth
there are ___ umbilical vein(s) and ___ umbilical artery/arteries.
3; 2
2; 1
1;2
2;2
Umbilical arteries carry ______ blood ____ the mother.
deoxygenated; to
deoxygenated, from
oxygenated, to
oxygenated, from
Effacement happens during childbirth. What does it mean?
Ovarian release of the fetus
Vaginal release of oxytocin
Contraction of the endometrium
Thinning of the cervix
Which of the following is transferred from the mother in the placenta to provide protection for the neonate from measles, diptheria, and infectious diseases.
antigen
vaccine
IgG
IgA
Which of the following is FALSE in a neonate?
Heart rate is more than 100 bpm.
Respiratory rate is more than 12 breaths per minute.
A neonate has a large surface area to volume ratio.
All organs are completely develped in a neonate.
A mother is 35 week pregnant. If she decides to have her baby out at this time, this baby is considered _______.
preterm
term
post-term
all of the above
Folic acid is important for _________ development.
muscular
neurological
skeletal
GI tract
HCG is secreted by _______.
the embryo
the placenta
the corpus luteum
the embryo & the placenta
During gestational period, the mother's heart has to pump a higher load of blood.
True
False
