Placenta,Umbilical cord, RPOC Flashcards
Which fetal membrane is contiguous with the membrane lining the umbilical cord?
chorion
amnion
amnion
The major role of the placenta is to allow the exchange of oxygenated maternal blood with deoxygenated fetal blood.
True
False
True
A _______________ insertion is when the umbilical cord inserts into the membranes (amnion and chorion) and the vessels travel between the membranes to the placenta.
marginal
velamentous
succenturiate
velamentous
Walter’s jam is the name of the substance that surrounds the umbilical vessels and supports the cord.
True
False
False
When the placenta abnormally adheres to the myometrium, this is called:
Placental Abruption
Placental Accreta
Placental Previa
Velamentous Placenta
Placental Accreta
Amniotic Band Syndrome is something that occurs due to:
Preterm Delivery
Improperly fused amnion and chorion
Placental Abruption
Improperly fused amnion and chorion
Properly fused amnion and chorion
Improperly fused amnion and chorion
What accounts for the majority of the total amount of amniotic fluid by the second half of the pregnancy?
fetal urination into amniotic sac
fetal activity level
maternal fluid intake
maternal daily caloric intake
fetal urination into amniotic sac
When the umbilical cord is attached to the edge of the placenta it is termed:
Battledore placenta
Succenturate placenta
Velamentous placenta
Circumvallate placenta
Battledore placenta
A benign vascular tumor of the placenta is a:
hemangioma
chorioangioma
lymphoma
choriocarcinoma
chorioangioma
When the placental membranes attach toward the center of the placenta rather than to the underlying villous placental margin it is termed:
Succenturiate placenta
Velamentous placenta
Circumvallate placenta
Battledore placenta
Circumvallate placenta
Which of the following may be used to help better visualize the cord around the neck of the fetus?
color Doppler
gray scale scanning
A-mode scanning
M-mode scanning
color Doppler
Cord prolapse is:
Non-serious
Serious
Serious
The umbilical cord should be imaged in which plane to see a 3 vessel view slice with Wharton’s jelly around it?
sagittal
transverse
transverse
A fetus with IUGR will probably have a:
Normal placenta
Small placenta
Large placenta
Small placenta
If a knot causes stasis of blood in the cord it can lead to:
Umbilical vein thrombosis
Single umbilical artery
Umbilical artery aneurysm
Umbilical artery rupture
Umbilical vein thrombosis
The cord length can adversely affect the fetus, which would cause restricted fetal movement?
Short cord
Long cord
Short cord
Which cord length could result in knots, nuchal cord or prolapsing?
Short cord
Long cord
Long cord
When the placenta is at the edge of the internal os, this is what type of placental previa?
Marginal
Low Lying
Complete
Marginal
A mother with Maternal Diabetes or Rh sensitivity might have:
A small placenta
A normal placenta
A very aged placenta
An enlarged placenta
An enlarged placenta
Maternal vessels are located _________ the placenta.
between the uterus and
in the umbilical cord of
between the uterus and
What type of borders should a normal grade 0 placenta have?
borders cannot be visualized
irregular
smooth
rough
smooth
What term is used to describe a deficiency of amniotic fluid?
oligohydramnios
hypohydramnios
polyhydramnios
oligohydramnios
A succenturiate placenta can lead to what outcome? Think about what a succenturiate placenta is, and the answer options.
Retained products of conception
An abnormally large fetus
Nuchal cord
Fetal demise
Retained products of conception
A focal discrete lesion of the placenta that is caused by ischemic necrosis would be a:
Placental Accreta
Placental Infarct
Placental Chorioangioma
Placental Previa
Placental Infarct
A complication of Placental Previa is:
pre-eclampsia
maternal hemorrhage
late term delivery
amniotic band syndrome
maternal hemorrhage
Single umbilical artery may be associated with:
nothing if found alone
both of the answers are correct
fetal abnormalities
both of the answers are correct
both of the answers are correct
An accessory placenta that is connected to the main placental body by vessels is termed:
battledore placenta
succenturiate placenta
circummvallate placenta
velamentous placenta
succenturiate placenta
Sonographically, during the first portion of a pregnancy, the placenta should have ___________ pebble-gray appearance.
anechoic
homogeneous
heterogeneous
homogeneous
A mother comes in with fever and high WBC. She is post delivery x 2 week. She delivered prematurely. You notice in her uterus a large endometrial mass and it is complex. What should be considered?
A twin that did not deliver
Retained products of conception
Normal postpartum appearance
Placental hematoma
Retained products of conception
Which of the following may increase the occurrence of placental previa?
- Smoking
- Drug abuse
- Previous history of Cesarean Section
- Advanced maternal age
1,3,4
3,4
1,2,3
3,4
Which of the following conditions is the worst?
Placental Increta
Placental Percreta
Placental Accreta
Placental Encreta
Placental Percreta
