A diamniotic and dichorionic twin pregnancy demonstrates which sonographic findings? _____ one gestational sac and two placentas one gestational sac and one placenta two gestational sacs and one placenta two gestational sacs and two placentas

two gestational sacs and two placentas

Caudal regression syndrome is described as which of the following? It _____ causes facial abnormalities affects the upper limbs lacks the development of the caudal spine and cord results in cardiac defects

lacks the development of the caudal spine and cord

OBGYN Exam 6 Practice Questions

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Medicine - Obstetrics

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Cards in this deck(100)

Which term describes a group of conditions where hydrops is present in the fetus but not due to fetomaternal blood group incompatibility? _____

Premature labor is defined as the onset of labor before _____ weeks' gestation.

The development of conjoined twins occurs when the division of the egg occurs _____ days after conception.

A diamniotic and dichorionic twin pregnancy demonstrates which sonographic findings? _____

Maternal obesity has been associated with an increased incidence of which abnormalities? _____

Poly-oil sequence is also known as which of the following? _____

Which sign is defined as the appearance of overlapping skull bones that indicates fetal death? _____

Sonographic findings of fetal hydrops in an isoimmunized pregnancy include all the following except _____

Caudal regression syndrome is described as which of the following? It _____

Which is the most frequent cause of non immune hydrops? _____

Beta-hCG can be assessed in maternal serum in the first trimester to evaluate for an increased risk of which anomaly? _____

MSAFP levels increase with advancing gestational age and peak at _____ weeks of gestation.

A common reason for an elevated level of maternal serum AFP (MSAFP) is _____

After amniocentesis, the sonographer should demonstrate and document which of the following? _____

Cordocentesis is more commonly used for which procedure? _____

Holoprosencephaly and proboscis are most likely to be found in a fetus with which condition? _____

An abnormality in the number of chromosomes is called _____

AFP is found in all of the following fetal structures except the _____

Chorionic villus sampling (CVS) may include all of the following advantages except _____

Reasons to perform an amniocentesis include all of the following except _____

What is the term for too little amniotic fluid? _____

What is the term for a coma and seizures that occur in the second or third trimester secondary to pregnancy-induced hypertension? _____

What is the system of antigens that may be found on the surface of red blood cells? _____

What occurs when division of the egg occurs after 13 days? _____

What is a blood test conducted during the second trimester to identify pregnancies at a higher risk for chromosomal anomalies and neural tube defects? _____

What is the term for an elevation of maternal blood pressure that may put the fetus at risk? _____

What is the inflammatory disease involving multiple organ systems? _____

What is the term for fluid occurring in at least two areas such as pleural effusion, pericardial effusion, ascites, or skin edema? _____

What is the group of conditions in which hydrops is present in the fetus but not as a result of fetal maternal blood group incompatibility? _____

What is the term for twins that arise from 2 separately fertilized ova? _____

What is the term for too much amniotic fluid? _____

What is the lack of development of the caudal spinal cord that may occur in the fetus of a diabetic mother? _____

What is the overlapping of the skull bones that indicates fetal death? _____

What are the twins that arise from a single fertilized egg which divides to produce 2 identical fetuses? _____

What is the term for excessive vomiting that leads to dehydration and electrolyte imbalance? _____

What is the term for fetal death that occurs after the fetus has reached a certain growth that is too large to resorb into the uterus? _____

What is the complication of pregnancy that is characterized by increasing hypertension, proteinuria, and edema? _____

What is the antigen present in the fetus? _____

What is the leaking or breaking of the amniotic membranes that causes a loss of amniotic fluid that may lead to premature delivery or infection? _____

What is a severe generalized massive edema that is often seen with fetal hydrops? _____

What is a monozygotic twin pregnancy with a single placenta and arteriovenous shunt within the placenta? _____

A patient who will be 35 or older at the time of delivery is described as _____

In the first trimester, testing is performed by looking for the pattern of biochemical markers associated with plasma protein A and free bHCG, these lab values are used in conjunction with ultrasound to measure the _____ translucency.

Second trimester screening can be performed with the maternal serum _____ screen laboratory value and a targeted ultrasound exam.

A detailed evaluation of all fetal anatomy that can be seen at the time between 18 and 20 weeks gestation is the _____ sonogram.

A condition in which excessive fluid accumulates within the fetal body cavities is _____

Any substance that elicits an immunologic response such as production of an antibody to that substance is a _____

A procedure in which a needle is placed into the fetal umbilical vein and a blood sample is obtained is called _____

Infants with _____ are at increased risk for intracerebral hemorrhage in utero and spontaneous bleeding.

A group of conditions in which hydrops is present in the fetus but is not a result of fetal maternal blood group incompatibility is _____

Cardiovascular lesions are often the most frequent causes of NIH. Congestive heart failure may result from functional cardiac problems such as dysrhythmias, tachycardias, and myocarditis and from _____ anomalies such as hypoplastic left heart and other types of congenital heart disease.

If glucose levels are very high and uncontrolled, the fetus may also become _____

Caudal regression syndrome is seen almost exclusively in _____ individuals.

Hypertensive pregnancies may be associated with _____ placentas because of the effects of hypertension on the blood vessels.

The occurrence of seizures or coma in a preeclamptic patient is representative of _____

A chronic autoimmune disorder that can affect almost all organ systems in the body is _____

_____ exists when a pregnant woman vomits so much that she develops dehydration and electrolyte imbalance.

Intrauterine fetal death accounts for roughly _____ of all perinatal mortality.

At 20 weeks gestation, the uterine fundal height should have risen to the umbilicus and the uterus should measure approximately _____ centimeters above the symphysis pubis.

The mother should also perceive fetal movements on a daily basis beginning between _____ weeks gestation.

A twin has a _____ times greater chance of perinatal death than a singleton fetus.

During the first trimester, multiple pregnancies can be identified by visualizing more than one _____ sack within the uterus.

_____ twins arise from two separately fertilized ova.

In a dizygotic pregnancy, each ovum implants separately in the uterus and develops its own placenta and chorion called _____ a separate amnion is called _____

Identical or _____ twins arise from a single fertilized egg which divides resulting in two genetically identical fetuses.

Depending on whether the fertilized egg divides _____ or _____ there may be one or two placentas corrections and amniotic sacs.

If division occurs _____ days post conception, two amnions and two chorionics will be present.

If division occurs at _____ days, one chorion and two amniotic sacs will be present.

If division occurs after eight days, two fetuses will be present but only one chorion and one amnion or _____ or _____

If division occurs after 13 days, the division may be incomplete and _____ twins may result.

Stuck twin syndrome or _____ sequence is characterized by diamniotic pregnancy with polyhydramnios and one sac with severe oligohydramnios and a smaller twin in the other sack.

Twin-twin transfusion syndrome exists when a _____ shunt is placed within the placenta.

By definition, a rare anomaly occurring in monochorionic twins in which one twin develops without a heart and often with the absence of the upper half of the body is a _____ anomaly.

When scanning multiple gestations, sonographers should always attempt to determine whether one or two _____ sacks are present by locating the membrane that separates the sacs.

It is important to keep in mind that a fetus from a multiple gestation is usually _____ than a singleton fetus.

No flow and _____ flow during diastole are signs of fetal jeopardy that may prompt the obstetrician to do further fetal well-being testing or even deliver the fetus.

What is the term for an abnormally small chin, that is commonly associated with other fetal anomalies? _____

What is the transabdominal removal of amniotic fluid from the amniotic cavity using ultrasound? _____

What is a term for an underdevelopment of a tissue, organ, or body? _____

What is the acronym originally coined from the first letters of toxoplasmosis, rubella, cytomegalovirus, and herpesvirus type 2? _____

What is a dilation of jugular lymph sacs caused by improper drainage of the lymphatic system into the venous system? _____

What is the anterior abdominal wall defect in which abdominal organs are atypically located within the umbilical cord? _____

What is the term for abnormally wide space orbits usually found in conjunction with congenital anomalies and mental retardation? _____

What is the term for abnormally closely spaced orbits associated with holoprosencephaly, chromosomal and CNS disorders, and cleft palate? _____

What are the anomalies of the hands or feet in which there is an addition of a digit may be found in association with skeletal dysplasias? _____

What is a decreased rate of fetal growth usually below the 10th percentile for a given gestational age? _____

What is the protein manufactured by the fetus which can be studied in amniotic fluid and maternal serum? _____

A major congenital anomaly is found in _____ of every 100 births and an additional 10% to 15% of births are complicated by minor birth defects.

An ultrasound-directed biopsy of the placenta or chorionic villi in the first trimester is called _____

A specialized prenatal test that permits direct viewing of the developing embryo using a transcervical endoscope inserted into the extracoelomic cavity during the first trimester of pregnancy is _____

The technique first used to relieve polyhydramnios, to predict RH isoimmunization, and to document fetal lung maturity is _____

The amniocentesis technique for multiple gestations is similar to the singleton method except that _____ fetal sac is entered.

Another method in which chromosomes are analyzed is _____

The major protein in fetal serum that is also produced by the yolk sac in early gestation and later by the fetal liver is _____

AFP is transported into the _____ fluid by fetal urination and reaches maternal circulation or blood through the fetal membranes.

Common reasons for high AFP levels are _____ such as anencephaly and open spina bifida.

Two common abdominal wall defects _____ and _____ produce elevations of AFP.

It is expected that the AFP level in a twin pregnancy will be _____ that of a singleton pregnancy.

A normal karyotype consists of _____ chromosomes, _____ pairs of autosomes, and a pair of sex chromosomes.

An abnormality of the number of chromosomes is called _____

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