Placental Health Quiz
Placental Health Quiz
Test your knowledge about placental anatomy and fun
Key features of the quiz:
- 52 detailed questions
- Multiple choice format
- Focus on clinical aspects of the placenta
The chorionic plate is related to which one of the following?
Fetal surface of the placenta
Cotyledons and intervillous spaces
Allantois of the yolk sac
The fetal membranes are comprised of all of the following except the:
Blastocyst
Amnion
Chorion
The decidual reaction that changes in the endometrium opposite the site of implantation is which one of the following?
Decidua capsularis
Decidue basalis
Decidua vera
The major functioning unit(s) of the placenta is(are) which of the following?
Cotyledons
Yolk sac
Chorionic villi
The placenta performs all of the following functions except:
Protection
Respiration
Absorption
The velementous placenta refers to a(n):
Membranous insertion of the cord
Insertion of the umbilical cord near the edge of the placenta
Arteriovenous anastomosis of the vessels within the placenta
Fusion of the amnion and chorion usually occurs by _______ weeks' gestation.
Less than 5
Greater than 2
Less than 2
Fusion of the amnion and chorion usually occurs by _______ weeks' gestation.
16
20
12
The function of the human chorionic gonadotropin (hCG) is to perform which one of the following?
Develop Wharton's jelly around the cord
Produce amniotic fluid
Maintain the corpus luteum in early pregnancy
A marginal or an eccentric insertion of the umbilical cord into the placenta is which one of the following?
Placenta previa
Vasa previa
Battledore placenta
The primary cause of placentomegaly is which one of the following abnormalities?
Maternal diabetes
Intrauterine infection
Battledore placenta
The most common site of fibrin deposition is which one of the following?
Along the retroplacental area Code
Along the subchorionic area
Within the chorioangioma
Complications of placenta previa include all of the following except:
Postpartum hemorrhage
Succenturiate placenta
Maternal hemorrhage
Severe blood loss may occur with placenta ______.
Increta
Excreta
Percreta
The presence of one or more accessory lobes connected to the body of the placenta by blood vessels is a ______ placenta.
Circummarginate
Succenturiate
Circuvallamte
Which one of the following statements about placental abruption is false?
Bleeding in the decidua basalis occurs with separation
Preterm labor may result
The bleed may lead to chorioangioma
An example of low-pressure bleed is which one of the following?
Decompression of the uterus
Marginal abruption
Trauma to the uterus
The maternal side of the placenta is decidua _______.
Basalis
Capsularis
Patietalis
The chorion around the gestational sac on the opposite side of implantation is chorion
Frondosum
Laeve
Vera
A marginal placenta previa demonstrates which one of the following?
The edge of the placenta is near the internal cervical os
The placenta touches but does not cross the internal cervical os
The placenta is in the right lateral position
Which one of the following abnormalities might demonstrate a small placenta?
Aneuploidy
Maternal anemia
Rh sensitivity
Which one of the following occurs when the intramembranous vessels course across the internal cervical os?
Battledore placenta
Vasa previa
Velamentous placenta
The growth of the chorionic villi superficially into the myometrium describes which one of the following?
Placenta increta
Placenta migration
Placenta accreta
The attachment of the placental membranes to the fetal surface of the placenta describes which one of the following?
Battledore placenta
Placenta accreta
Circummarginate placenta
A circumscribed complex mass protruding from the fetal surface of the placenta is demonstrated on ultrasound. This appearance most likely represents which one of the following?
Abruption placenta
Circumvallate placent
Chorioangioma
Which one of the following umbilical cord entanglements in the fetus is the most common?
True knot
Nuchal cord
False knot
Of the cord may be formed when a loop of cord is slipped over the fetal head or shoulders during delivery.
Hemagioma
True knots
Hematoma
Cord prolapse problems can be produced during all of the following obstetric procedures except:
Velamentous cord insertion
Vasa previa
Prolapse
Thrombosis of the umbilical vessels is most common in which one of the following?
Left umbilical artery
Umbilical vein
Hypogastric arteries
The presence of umbilical vessels crossing the internal os of the cervix is called which one of the following?
Cord prolapse
Vaso previa
Placenta previa
The umbilical cord is formed by the fusion of which one of the following?
Yolk stalk and allantoic ducts
Allantoic ducts and chorion
Amnion and yolk sac
Conditions predisposing a fetus to cord prolapse include all of the following except:
Velamentous cord
Premature rupture of membranes
Normal fetal presentation
Which one of the following neural tube defects is characterized by a lack of development of the cerebral and cerebellar hemispheres and cranial vault and is an abnormality that is incompatible with life?
Anencephaly
Dandy-Walker malformation
Acrania
A condition in which a complete or partial absence of the cranial bones is demonstrated is which one of the following?
Hydranencephaly
Holoprosencephaly
Acrania
Anomalies associated with anencephaly include all of the following except:
Polyhydramnios
Holoprosencephaly
Spina bifida.
Which one of the following is the most severe form of holoprosencephaly and is characterized by a single common ventricle and malformed brain?
Anencephaly
Alobar
Cephalocele
-The absence of the cavum septi pellucidi is a distinguishing characteristic of which one of the following fetal anomalies?
Dandy-Walker malformation
Agenesis of the corpus callosum
Hydranencephaly
Ventriculomegaly is defined as lateral ventricular enlargement measuring greater than ____ millimeters (mm).
13
10
5
An open spinal defect characterized by a protrusion of meninges and spinal cord through the defect, usually within a meningeal sac, is called which one of the following? Spina bifida occulta
An open spinal defect characterized by a protrusion of meninges and spinal cord through the defect, usually within a meningeal sac, is called which one of the following? Spina bifida occulta
Arnold-Chiari syndrome
Meningomyelocele
Meningocele
Conditions commonly associated with fetal hydrocephalus include all of the following except: Dandy-Walker malformation
Choroid plexus cyst.
Meningomyelocele
Agenesis of the corpus callosum.
Ventriculomegaly coupled with an enlargement of the fetal head is called which one of the following?
Hydronephrosis
Hydrocephalus
Hydranencephaly
Which one of the following abnormalities is the most common open neural tube defect?
Acrania
Encephalocele
Anencephaly
Which one of the following fetal head anomalies is characterized by the presence of a single primitive ventricle?
Arachnoid cyst
Holoprosencephaly
Schizencephaly
A vein of Galen malformation is which one of the following ?
A rare arteriovenous malformation
An aneurysm of the Galen vein
All of the above
A form of holoprosencephaly characterized by a common ventricle, hypotelorism, and a nose with a single nostril is which one of the following?
Lissencephaly
Ethmocephaly
Cebocephaly
Which one of the following statements about microcephaly is incorrect?
Microcephaly is an abnormally large head
The prognosis for fetuses with microcephaly is always poor.
Microcephaly may manifest later in pregnancy.
Which one of the following terms is used to describe the herniation of the meninges and brain through a calvarium defect?
Encephalocele
Cranial meningocele
Cebocephaly
Which of the following neural tube is characterized by a lack of development of the cerebral and cerebellar hemisphere and cranial vault and is abnormality that is incompatible with life ?
Anencephaly
Acrania
Cephalocele
Which one of the following central nervous anomalies demonstrates splaying of the cerebellar hemispheres on ultrasound ?
Cephalocele
Vein-of Galen malformation
Dandy-walker Margot nation
A condition in which a complete or partial absence of the cranial bones is demostrated in which of the following ?
Hyde anencephaly
Acrania
Cebocephaly
Anomalies associated with anencephaly include of the following except :
Cleft lip
Spina bífida
Holoprosencephaly
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