Placenta And Umbilical Cord Flashcards
Growth of the placenta into the superficial myometrium is termed placenta:
a. previa
b. increta
c. accreta
d. percreta
C. Accreta
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. Low lying placenta
The location of an umbilical vein varix is most frequently within the:
a. placenta
b. fetal liver
c. fetal abdomen
d. umbilical cord
C. Fetal Abdomen
The umbilical cord is covered by which of the following?
a. amnion
b. chorion
c. meconium
d. Wharton jelly
A. Amnion
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. Battledore placenta
Placenta accreta can be ruled out by observing a normal:
a. chorionic plate
b. retroplacental complex
c. maternal urinary bladder
d. homogeneous echo pattern
B. Retroplacental complex
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. Internal os to the uterus
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
C. CRL
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
B. Severe pelvic pain and vaginal bleeding
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. 2UA
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
D. Placenta percreta
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
D. Chorion frondosum
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
D. Circumvallate placenta
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
C. Two or more complete loops of the umbilical cord around the fetal neck
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
C. Marginal placenta previa
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
B. Placenta previa
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
D. Painless vaginal bleeding
Which of the following is the most accurate placental location?
a. fundal
b. anterior
c. posterior
d. right lateral
A. Fundal
The sonogram is most likely identifying which of the following?
a. chorioangioma
b. uterine leiomyoma
c. battledore placenta
d. myometrial contraction
A. Chorioangioma
This transverse image of the uterus is most likely demonstrating:
a. battledore placenta
b. succenturiate placenta
c. myometrial contraction
d. vanishing twin syndrome
B. Succenturiate placenta
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
C. Single unbiblical artery
This finding is associated with:
a. fetal demise
b. premature labor
c. multifetal gestations
d. maternal diabetes mellitus
C. Multifetal gestations
The lower uterine segment in this sonogram is consistent with a(n):
a. placenta previa
b. placenta accreta
c. myometrial contraction
d. incompetent cervix
D. Incompetent cervix
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
C. Placenta abruption
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
B. A cervix free of placenta
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. Placenta previa
This patient most likely presents with:
a. mild pelvic pain
b. severe pelvic pain
c. abdominal cramping
d. painless vaginal bleeding
D. Painless vaginal bleeding
An image of an early second-trimester pregnancy demonstrates:
a. placenta previa
b. placentomegaly
c. placentomalacia
d. circumvallate placenta
B. Placentomegaly
Maternal causes for this abnormality include:
a. hypertension
b. diabetes mellitus
c. previous cesarean section
d. previous therapeutic abortions
B. Diabetes mellitus
