Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

SONOCAN OB Review > Placenta And Umbilical Cord > Flashcards

Placenta And Umbilical Cord Flashcards

1
Q

Growth of the placenta into the superficial myometrium is termed placenta:
a. previa
b. increta
c. accreta
d. percreta

A

C. Accreta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Placement of the placental margin within 2 cm of the internal cervical os is termed:
a. low-lying placenta
b. circumvallate placenta
c. succenturiate placenta
d. marginal placenta previa

A

A. Low lying placenta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The location of an umbilical vein varix is most frequently within the:
a. placenta
b. fetal liver
c. fetal abdomen
d. umbilical cord

A

C. Fetal Abdomen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The umbilical cord is covered by which of the following?
a. amnion
b. chorion
c. meconium
d. Wharton jelly

A

A. Amnion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Insertion of the umbilical cord into the end margin of the placenta is termed a:
a. battledore placenta
b. velamentous placenta
c. membranous placenta
d. circumvallate placenta

A

A. Battledore placenta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Placenta accreta can be ruled out by observing a normal:
a. chorionic plate
b. retroplacental complex
c. maternal urinary bladder
d. homogeneous echo pattern

A

B. Retroplacental complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The cervical canal extends from the:
a. internal os to the uterus
b. external os to the uterus
c. internal os to the vagina
d. external os to the vagina

A

A. Internal os to the uterus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

During the first trimester, the length of the normal umbilical cord is equal to the:
a. gestational weeks
b. mean sac diameter
c. crown–rump length
d. width of the gestational sac

A

C. CRL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Classic symptoms of placental abruption include:
a. painless vaginal bleeding
b. severe pelvic pain and vaginal bleeding
c. mild abdominal pain and vaginal spotting
d. severe pelvic pain without vaginal bleeding

A

B. Severe pelvic pain and vaginal bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Identification of arterial flow on each side of the fetal bladder verifies which of the following?
a. two umbilical arteries
b. normal femoral arteries
c. normal aortic bifurcation
d. duplicated hypogastric arteries

A

A. 2UA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Extension of an anterior placenta into the maternal urinary bladder is a sonographic finding associated with:
a. endometriosis
b. placenta increta
c. placenta previa
d. placenta percreta

A

D. Placenta percreta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which portion of the gestational sac develops into the fetal side of the placenta?
a. chorion laeve
b. chorion basalis
c. chorion parietalis
d. chorion frondosum

A

D. Chorion frondosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which of the following describes a condition where the chorionic plate of the placenta is smaller than the basal plate?
a. vasa previa
b. battledore placenta
c. succenturiate placenta
d. circumvallate placenta

A

D. Circumvallate placenta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A true nuchal cord is defined as:
a. one complete loop of the umbilical cord around the fetal neck
b. two or more complete loops of the umbilical cord near the fetal neck
c. two or more complete loops of the umbilical cord around the fetal neck
d. thickening of the nuchal fold coexisting with one complete loop of the umbilical cord around the fetal neck

A

C. Two or more complete loops of the umbilical cord around the fetal neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A placenta located immediately adjacent to the cervix is termed a(n):
a. low-lying placenta
b. battledore placenta
c. marginal placenta previa
d. incomplete placenta previa

A

C. Marginal placenta previa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which of the following conditions is most likely identified in this sagittal sonogram of the cervix?
a. battledore placenta
b. placenta previa
c. placenta accreta
d. velamentous cord insertion

A

B. Placenta previa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which clinical finding is more commonly associated with this condition?
a. fetal tachycardia
b. cephalic fetal lie
c. small for gestational age
d. painless vaginal bleeding

A

D. Painless vaginal bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following is the most accurate placental location?
a. fundal
b. anterior
c. posterior
d. right lateral

A

A. Fundal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The sonogram is most likely identifying which of the following?
a. chorioangioma
b. uterine leiomyoma
c. battledore placenta
d. myometrial contraction

A

A. Chorioangioma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

This transverse image of the uterus is most likely demonstrating:
a. battledore placenta
b. succenturiate placenta
c. myometrial contraction
d. vanishing twin syndrome

A

B. Succenturiate placenta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

This duplex image identifies which of the following structures?
a. umbilical varix
b. velamentous cord
c. single umbilical artery
d. thrombosis of an umbilical artery

A

C. Single unbiblical artery

22
Q

This finding is associated with:
a. fetal demise
b. premature labor
c. multifetal gestations
d. maternal diabetes mellitus

A

C. Multifetal gestations

23
Q

The lower uterine segment in this sonogram is consistent with a(n):
a. placenta previa
b. placenta accreta
c. myometrial contraction
d. incompetent cervix

A

D. Incompetent cervix

24
Q

A patient presents with severe lower abdominal pain and vaginal spotting. Based on the clinical history, the sonographic findings are most suspicious for:
a. chorioangioma
b. placenta accreta
c. placenta abruption
d. circumvallate placenta

A

C. Placenta abruption

25
Q

This postvoid transabdominal image of the cervix demonstrates:
a. a low-lying placenta
b. a cervix free of placenta
c. marginal placenta previa
d. incomplete placenta previa

A

B. A cervix free of placenta

26
Q

A sagittal image of the cervix in a late second-trimester pregnancy demonstrates:
a. placenta previa
b. placental abruption
c. an incompetent cervix
d. a left lateral placenta

A

A. Placenta previa

27
Q

This patient most likely presents with:
a. mild pelvic pain
b. severe pelvic pain
c. abdominal cramping
d. painless vaginal bleeding

A

D. Painless vaginal bleeding

28
Q

An image of an early second-trimester pregnancy demonstrates:
a. placenta previa
b. placentomegaly
c. placentomalacia
d. circumvallate placenta

A

B. Placentomegaly

29
Q

Maternal causes for this abnormality include: (placentamegaly)
a. hypertension
b. diabetes mellitus
c. previous cesarean section
d. previous therapeutic abortions

A

B. Diabetes mellitus

30
Q

Membranous insertion of the umbilical cord is termed a(n):
a. vasa previa
b. allantois cord
c. velamentous cord
d. battledore placenta

A

C. Velamentous cord

31
Q

What is the most common cause of painless vaginal bleeding in the third trimester?
a. placenta previa
b. placenta accreta
c. placenta abruption
d. incompetent cervix

A

A. Placenta previa

32
Q

An eccentric insertion of the umbilical cord into the placenta is termed a:
a. vasa previa
b. velamentous cord
c. battledore placenta
d. circumvallate placenta

A

C. Battledore placenta

33
Q

Placental implantation encroaching on the internal cervical os is termed:
a. placenta increta
b. marginal previa
c. placenta accreta
d. low-lying placenta

A

B. Marginal previa

34
Q

The vascular projections arising from the chorion are termed:
a. chorionic villi
b. chorionic leave
c. chorionic venules
d. myxomatous tissue

A

A. Chorionic villi

35
Q

Which of the following conditions demonstrates extension of the chorionic villi into the myometrium?
a. placenta increta
b. placenta accreta
c. placenta percreta
d. battledore placenta

A

A. Placenta increta

36
Q

Coiling of the umbilical cord is associated with:
a. a long cord
b. a short cord
c. a normal fetus
d. chromosomal abnormalities

A

C. A normal fetus

37
Q

Which of the following is the most common placental location for deposits of fibrin to collect?
a. basal plate
b. subchorionic
c. within a placental lake
d. within the retroplacental complex

A

B. Subchorionic

38
Q

The primary cause of placentomegaly is:
a. maternal hypertension
b. twin–twin transfusion syndrome
c. succenturiate placenta
d. maternal diabetes mellitus

A

D. Maternal diabetes mellitus

39
Q

Complications of placenta previa include all of the following except:
a. stillbirth
b. macrosomia
c. placenta accreta
d. premature delivery

A

B. Macrosomia

40
Q

The presence of additional placental tissue adjacent to the main placenta is termed a(n):
a. accessory placenta
b. battledore placenta
c. velamentous placenta
d. circumvallate placenta

A

A. Accessory placenta

41
Q

Which placenta most likely demonstrates an overall abnormal contour?
a. battledore placenta
b. velamentous placenta
c. succenturiate placenta
d. circumvallate placenta

A

D. Circumvallate placenta

42
Q

Placentomalacia may result from which of the following conditions?
a. Rh sensitivity
b. maternal anemia
c. twin–twin transfusion syndrome
d. intrauterine growth restriction

A

D. IUGR

43
Q

The maternal side of the placenta is formed by the decidua:
a. leave
b. basalis
c. parietalis
d. frondosum

A

D. Basalis

44
Q

Placental thickness will vary with gestational age but generally measures:
a. 1 to 2 cm
b. 2 to 3 cm
c. 4 to 5 cm
d. 5 to 6 cm

A

B. 2 to 3

45
Q

Which of the following conditions is most likely to demonstrate a small placenta?
a. Rh sensitivity
b. maternal anemia
c. maternal diabetes
d. chromosomal anomalies

A

D. Chromosomal anomalies

46
Q

Which of the following occurs when intramembranous vessels course across the internal cervical os?
a. vasa previa
b. placenta accreta
c. battledore placenta
d. circumvallate placenta

A

A. Vasa previa

47
Q

Which of the following is associated with a nuchal cord?
a. long cord
b. short cord
c. velamentous cord
d. true knots of the cord

A

A. Long cord

48
Q

Which of the following describes a prolapsed umbilical cord?
a. focal dilatation of an umbilical vessel
b. the cord precedes the fetus in the birthing process
c. the intramembranous vessels of the fetus precede the fetus
d. the cord completely surrounds the fetal neck with one loop

A

B. The cord precedes the fetus in the birthing process

49
Q

A succenturiate placenta is at an increased risk for which of the following?
a. velamentous cord
b. placental abruption
c. intervillous thrombosis
d. amniochorionic separation

A

A. Velamentous cord

50
Q

Direction of umbilical cord coiling is:
a. abnormal if coiled left
b. abnormal if coiled right
c. of no clinical significance
d. associated with fetal anomalies

A

C. Of no clinical significance

SONOCAN OB Review (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions