Placenta,Umbilical cord, RPOC

Question 1

Which fetal membrane is contiguous with the membrane lining the umbilical cord?

chorion

amnion

Answer 1

amnion

Question 2

The major role of the placenta is to allow the exchange of oxygenated maternal blood with deoxygenated fetal blood.

True

False

Answer 2

True

Question 3

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

Answer 3

velamentous

Question 4

Walter’s jam is the name of the substance that surrounds the umbilical vessels and supports the cord.

True

False

Answer 4

False

Question 5

When the placenta abnormally adheres to the myometrium, this is called:

Placental Abruption

Placental Accreta

Placental Previa

Velamentous Placenta

Answer 5

Placental Accreta

Question 6

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

Answer 6

Improperly fused amnion and chorion

Question 7

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

Answer 7

fetal urination into amniotic sac

Question 8

When the umbilical cord is attached to the edge of the placenta it is termed:

Battledore placenta

Succenturate placenta

Velamentous placenta

Circumvallate placenta

Answer 8

Battledore placenta

Question 9

A benign vascular tumor of the placenta is a:

hemangioma

chorioangioma

lymphoma

choriocarcinoma

Answer 9

chorioangioma

Question 10

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

Answer 10

Circumvallate placenta

Question 11

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

Answer 11

color Doppler

Question 12

Cord prolapse is:

Non-serious

Serious

Answer 12

Serious

Question 13

The umbilical cord should be imaged in which plane to see a 3 vessel view slice with Wharton’s jelly around it?

sagittal

transverse

Answer 13

transverse

Question 14

A fetus with IUGR will probably have a:

Normal placenta

Small placenta

Large placenta

Answer 14

Small placenta

Question 15

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

Answer 15

Umbilical vein thrombosis

Question 16

The cord length can adversely affect the fetus, which would cause restricted fetal movement?

Short cord

Long cord

Answer 16

Short cord

Question 17

Which cord length could result in knots, nuchal cord or prolapsing?

Short cord

Long cord

Answer 17

Long cord

Question 18

When the placenta is at the edge of the internal os, this is what type of placental previa?

Marginal

Low Lying

Complete

Answer 18

Marginal

Question 19

A mother with Maternal Diabetes or Rh sensitivity might have:

A small placenta

A normal placenta

A very aged placenta

An enlarged placenta

Answer 19

An enlarged placenta

Question 20

Maternal vessels are located _________ the placenta.

between the uterus and

in the umbilical cord of

Answer 20

between the uterus and

Question 21

What type of borders should a normal grade 0 placenta have?

borders cannot be visualized

irregular

smooth

rough

Answer 21

smooth

Question 22

What term is used to describe a deficiency of amniotic fluid?

oligohydramnios

hypohydramnios

polyhydramnios

Answer 22

oligohydramnios

Question 23

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

Answer 23

Retained products of conception

Question 24

A focal discrete lesion of the placenta that is caused by ischemic necrosis would be a:

Placental Accreta

Placental Infarct

Placental Chorioangioma

Placental Previa

Answer 24

Placental Infarct

Question 25

A complication of Placental Previa is:

pre-eclampsia

maternal hemorrhage

late term delivery

amniotic band syndrome

Answer 25

maternal hemorrhage

Question 26

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

Answer 26

both of the answers are correct

Question 27

An accessory placenta that is connected to the main placental body by vessels is termed:

battledore placenta

succenturiate placenta

circummvallate placenta

velamentous placenta

Answer 27

succenturiate placenta

Question 28

Sonographically, during the first portion of a pregnancy, the placenta should have ___________ pebble-gray appearance.

anechoic

homogeneous

heterogeneous

Answer 28

homogeneous

Question 29

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

Answer 29

Retained products of conception

Question 30

Which of the following may increase the occurrence of placental previa?

1. Smoking
2. Drug abuse
3. Previous history of Cesarean Section
4. Advanced maternal age

1,3,4

3,4

1,2,3

Answer 30

3,4

Question 31

Which of the following conditions is the worst?

Placental Increta

Placental Percreta

Placental Accreta

Placental Encreta

Answer 31

Placental Percreta