OBGYN FINAL
Terms
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- A short cord measures less than:
- 25 cm
- A complex adnexal mass most likely represents:
- pyosalpinx
- a neural tube defect characterized by the lack of development of the cerebral and cerebellar hemispheres and cranial vault. This abnormality is incompatible with life.
- anencephaly
- With endovaginal sonography, te earliest appearance of a normal intrauterine gestational sac should be seen with a serum beta hCG above:
- 2000 mIU/ml
- With endovag. sono, the earliest appearance of a normal intrauterine gestational sac should be seen with a serum beta hCG above:
- 500mIU/ml
- This occurs when the kidney is locaed on the oppostie side of its ureteral orific
- crossed renal ectopis
- predicors of discordance growth of twins include all excet which of the following:
- a difference in biparietal diameter of 10 mm or greater
- Sonographic findings in sequestration include all except which of the following:
- commonly occurs below the diaphragm
- Coiling of the umbilical cord:
- toward the right has a higher incidence of fetal anomalies
- Which statement about fetal age is false:
- measure femur length on femur furthest from transducer
- This term indicates the fetal head is toward the fundus of the uterus:
- breech
- A condition in which the fetus is not growing as fast as normal is termed;
- Intrauterine growth restriction
- anencephaly is an example of
- multifactorial
- stuck twin syndrome usually manifests between
- 16-26 weeks
- Cranial anatomy is routinely visualize after which gestational week?
- 12 -14 weeks
- The right of self determination describes:
- autonomy
- at birth, the mortality rate for diaphragmatic hernia is
- high
- the gold standard for determination of amniotic fluid volume is
- the dye dilution technique
- calculating a macrosomic index can be performed by
- sub. the biparietal from chest circumfience
- which statement about gestational sac is false
- blood tests shouldbe positive 7 to 10 hours after conception
- the normal lenth of the umbilical cord measures:
- 40 to 60 cm
- frontal bones of the cranium that collapse forward describe
- lemon sign
- the placenta performs all except which of the following functions:
- absorption
- which statement about the umbilical cord is false?
- the persistance of the left umbilical vein is rare
- the most common site for a leiomyoma to occur is:
- intramural
- ectopic pregnancy most commonly occurs in the
- fallopian tube
- the uterine anomaly most frequenty associated with a high incidence of infertility is
- septate uterus
- the cavity in which the fetus exists is the
- amniotic cavity
- sono findings of severe micromelia, decreased or absent ossification or the spine, macrocephaly, and mircrognathia describe
- achondrogenesis
- the first site of rbc\'s that will nourish the embryo is the primary
- yolk sac
- assessing amniotic fluid volume using the sum of the 4 quadrants is called:
- amniotic fluid index
- What is the discipline that seeks to articulate clear and practical guidelines for conduct character?
- ethics
- the fallopian tubes are evaluated by sonography/saline to determine
- patency
- a vein of galen malformation is
-
a sporadic event
an aneurysm of the galen vein
a rare arterovenous malformation - corpus luteum cysts regress adn typically are not seen beyond
- 16-18 weeks
- complications of placenta previa include all except which of the following:
- post partum hemorrhage
- irregular acyclic bleeding is defined as
- metrorrhea
- which measurement is devised to determine the normality of the fetal head shape?
- cephalic index
- which of the following about the ovaries is false?
- ovaries are attached at the anterior aspect of the broad ligaments
- abnormally heavy or long menses is termed:
- menorrhagia
- what muscle group may may be seen in the false elvis along the lateral sidewall of hte pelvis?
- iliopsoas
- persistent oligohydraminos in the second trimester, regardless of the cause carries a
- poor prognosis
- the best sono correlation in the dianosis of ectopic preg is the comination o f
- free fluid and adnexal mass
- this lab test indicates pregnancy when the values are elevated
- hCG
- the most important determinant for fetal viability is
- pulmonary development
- uterine contractions typically:
- resolve in 20 to 30 min
- the primary cause of placentomegaly is
- maternal diabetes
- when measuring the gestational sac, all except which of the following is true
- if the sac is ovoid, measurements cannot be obtained
- what is caused by cartilage abnormalities that result in abnormal bone formation and hypomineralization?
- achondrogenesis
- the abnormal circumference is teh
- measurement at the level of teh stomach, left portal vein, and left umb. vein
- AFP is found in the fetus in all except which of the following:
- brain
- twin preg. have a ____median AFI than a singleon preg.
- slightly lower
- the most common lung cyst detect prenatally is
- bronchogenic cyst
- a critical part of teh process of closing the abdominal wall is
- folding
- protrusion of the posterior wall of the urinary bladder which contains the rigone of the bladder and teh ureteric orifices is called
- exstrophy of the bladder
- using an endovaginal approah, the first structure visualized within a gestational sac is the
- secondary yolk sac
- which of the following about neck teratomas is incorrect?
- usually located posteriorly
- a condition in which both ovatrian and testicular tissues are present is
- hermaphroditism
- twin to twin transfusion syndrome
-
is an arteriovenous shunting within placenta
the recipient twin may demonstrate polyhydramnios
both twins are at risk of dying - a sonographer can minimize thermal effets by
- not staying in one spot
- in early pregnancy, the gestational sac size grows at a rate of
- 1 mm/day
- what sono finding confirms the presence of a diamniotic preg
- membrance that separtates the fetuses
- what sono finding confirms the presence of a diamniotic pregnancy?
- membrane that separates the fetuses
- what statement about meiges syndrome is false
- it is associated with theca lutein cysts
- ultrasound is able to determine all except which of the following?
- exact date of delivery
- an AFI of 7cm is considered:
- within lower limits of normal amniotic fluid volume
- which of the following statements about microcephaly is incorrect?
- microcephaly is an abnormally large head
- an s/d ration of the umbilical artery can be used to evaluate fetal well being
- after 30 weeks gestation
- a code of ethics for sonographers has been adoped by the
- society of diagnostic medical sonographers
- which of the following defects is associated with meckel gruber syndrome?
- encephalocele
- which of the following anomalies is caused by an alkaline phosphatase deficiency?
- congenital hypophosphatasia
- sonographic criteria for choledochal cyst include all except which of the following?
- decrease in size of a cyst and gb on serial examinations
- an ovary is generally considered abnormal if is volume is ____the size of the contralateral ovary
- twice
- gastroschisis is a consequence of atrophy of the
- right umbilical vein
- common abnomalities associated with plmonary hypoplasia include all except which of the following
- macrosomia
- oligohydramnioss is associated with all except which of the following?
- gastrointestinal disorders
- a coma and seizures in the second and third trimester patient secondary to pregnancy induced hypertension is
- eclamsia
- the most common malformation of the midgut is
- meckels diverticulum
- S/D ratio cannot be measure when:
- diastolic flow is absent
- the sonographer providing a detailed explantation of the exam is an example of teh
- respecting autonomy
- the presence of a pleural effusion may cause
- a shift of the mediastinal structures
- the ovary receives its primary blood supply from the
- ovarian artery
- before embryo transfer into the uterus, the oocytes are fertilized and incubate for
- 48 to 74 hours
- the success rae of GIFT and ZIFT are app. ___per cycle
- 35%
- the success rate of gift and zift are app
- 25%
- this indicates teh liver is on right, stomach on left, adn heart apex on left
- normal situs
- when evaluating the fetal spine, it is important to align the transducer
- in a perp axis to spinal elements
- normally fetal bladder empties ever
- 60 min
- herniation of an omphalocele is covered by a membrance that consists of
- amnion and peritoneum
- the development of conjoined twin occurs wehn the division of the egg occurs:
- 13 days post conception
- failure of the anterior abdominal wall to close compleely at the level of the umbilicus describes:
- umbilical herniation
- which statement about the fetal face is false
- maxilla and orbits are well imaged in a true sag plane
- which of the following statements about a single umblilical artery is false
- right umbilical artery is absent more often than the left umbilical artery
- the fetal urinary bladder becomes sono apparent at
- 10 to 12 weeks
- what is the appearance of overlapping of the skull bones indicating fetal death
- spaldings sign
- an infeciton that involves the fallopian tube and teh ovary is called
- tuboovariann abcess
- cervical mucus is evaluated by the postcoital test within
- 24 hours
- after birth, the ductus venosus turns into the
- legamentum venosum
- the optimal gest. age for measurement of NT is
- 11 to 13 weeks
- in the second trimester, guideliness recommend images fo the fetal head include all except which of the following?
- sylvian fissure
- the ethical prin. that determine the timing of a routine sono exam is
- autonomy and justice
- beyone 20 weeks of gest. a renal pelvis is considered abnormal when measuring greather than:
- 10mm
- implantation of the blastocyst in the the endometrium occurs at :
- 7-9 days after ovulation
- an embryo is a developing individual from implantation to the end of the
- 10th gestational week
- sono criteria for a simple ovarian cyst include all except which of the following
- posterior shadowing
- a condition associated with anencephaly in whcih there is comlete or partial asence of the cranial bones is called
- acrania
- this muscle is best imaged in a transverse plane with a caudal angulation at the most superior aspect of the bladder
- levator ani
- the derivative of the hindgut include all except which of the following
- cecum
- what is an infection within the fallopian tube called
- salpingitis
- a hemorrhage located between the gest sac and the placenta represents
- subchorionic hem
- sig maternal risk factors for IUGR include all except which of the following? sig hypotension
- the fusion of the chorion and amnion occurs between
- the fusion of the amnion and chrion occurs between:
- 16 and 17 weeks
- a congenital condtion characterized by decreased mineralization of teh bones is
- osteogenesis imperfecta
- which one of the following describes situs inversus
- heart on right; liver on left; spleen on the right
- cause of double bubble sign include all except which of the following:
- choledochal cyst
- the most common congenital anomaly of the face is
- cleft lip
- the size and shape of the normal uterus are related to all except which of the following
- family histoy
- what is a psychological phenomenon ivolving blocked intentions, plans adn projects
- suffering
- a fetus with dilated loops of echogenic bowel should be evaluated for all except which of the following
- duodenal atresia
- the term for a mltiple preg within one chorionic sac is
- monochorionic
- the prognoisis for gastroschisis is
- excellent
- the chorion around the gest sac on teh opp side of implantation is teh
- chorioin laeve
- fetal interests in sono are understood exclsively in terms of
- beneficience
- if omphalocele adn scoliosis are fund in the fetus, what anomaly
- limb body wall syn.
- all except which of the following statements are correct about a true knont of the cord?
- it does not affect mortality rate
- a postterm preg is defined as a gest age of
- 42 weeks or more
- cord prolapse problems can be produced during all except which of the following obstetric procedures
- velamentous insertion
- placental insertion encroaching upon the lower uterine segment is termed
- placenta previa
- velamentous umbilical cord insertion is associated with all except which of the following
- large for gest. age
- The term that describes a group of conditions in which ydrops is present in the fetus but not a result of fetomaternal blood group incompatiblity
- nonimmune hydrops
- The blastocyst typically enters the uterus
- 4-5 days after fertilization
- Which statement about infertility is false?
- infertility affects one in three couples in the us
- The normal diameter of teh fetal small bowel is less than or equal to
- 5mm
- Which of the following anomalies is associated with micromelia and a hitchhiker thumb?
- diastrophic dysplasia
- which of teh following is the most likely diagnosis when multiple fxs and compressible calvarium are identified
- osteogenisis imperfecta
- false knots of an umbilical cord
- occur when the blood vessels are longer than the cord
- a small endocrine structure that develops within a ruptured ovarian follicle and secretes progesterone and estrogen is a
- corpus luteum cyst
- sono signs of polyhydraminos include all except which of the following
- amniotic fluid index greater than 15 cm
- scars within the uterus, secondary to previous gynecologic surgery are called
- synechiae
- extensive facial screening may be hindered by all except which of the following
- polyhydramino
- uterine arteriovenous malformation
- involves the myometrium
- which of the following statements abut the fallopian tube is false
- tube is best seen transabdominally
- the purpose for certification:
-
experiance to perform
skills to perform
knowledge
- amount of amniotic fluid is refulated by all except which
- fluid exchange within heart
- which of the following anomalies is associated with the Amish
- ellis van creveld syndrome
- the crown rump length measurement may be used up to the ___gestational week
- 12
- the normal amniotic fluid index should range between
- 5 to 22
- the following sonographic findings of increased nuchal thickening, shortened femurs, cardiac anomalies, and pyelectasis may be found in
- trisomy 21
- in transabdominal scanning a normal gestational sac can be consistently demonstrated when the beta hCG level is
- 1800
- the distinction of the large bowel from the small bowel is possible as early as
- 24 gestational weeks
- haustral folds can be found within teh
- colon
- which of teh following demonstrates enlarged ovaries with multiple cysts, abdominal ascites, and pleural effustion
- ovarian hyperstiulation syndrome
- normally the primitive diaphragm is intact by the end of the
- 8th gest. week
- a ____cyst occurs when a dominant follicle does not succeed in ovulating and remains actie although immature
- follicular cyst
- the normal fetal lungs appear on ultrasound as
- homogenous with moderate echo
- teh superficial layer of glans and stroma of the endo is called
- the zona functionalis
- the endo should be measured from
- hyper to hyper
- an abnomal protrusion of the eyeball is
- exophthalmia
- a group of lethal skeletal dysplasias characterized by bowing of long bone is
- camptomelic dysplasia
- what is a physiologic phenomenon involving teh cns processing of tissue damage
- pain
- hydrometra appears sono as
- a sonolucent fluid collection in the uterine canal
- AFP is produced in early gestation by the
- yolk sac
- teh pelvic recess between the anterior bladder wall and the pubic symphysis is
- space of Retzius
- which statement about the embryo heart rate is false
- early development has heartrate over 190
- the total number of pregnancies is called
- gravidity
- which of the following signs are characteristic of arnold chiari malformation
- banana lemon
- the urteric bud gives rise to all except which of the followning
- bowman capsule
- the most common adnexal mass found during early pren is a
- corpus luteal cyst
- the diameter of normal yolk sac should never exceed
- 6mm
- renal agenesis, oligo, pulmonary hypoplasia, abnormal facies, and malformed hands and feet may be found in:
- potters
- congenital bronchial atresia is fund most commonly in the
- left upper lobe
- which of the following is associated with a cloverleaf skull
- tanatophoric dysplasia
- truthfulness with respect to abilities and limitations is an example of
- veracity
- normla sonographic appearance of the fetal chest include all except which of the following
- lungs serve as medial borders to heart
- normal size fo menarchal uterus should be
- 8 by 4 cm
- transposition of liver and stomach, absence of gb, multiple spleens, and disruption of ivc describes
- polysplenia
- adherence to moral and ethical principles is called
- intergrity
- attachment of the placental membranes o the fetal surface of the fetal surface of the placenta descibes:
- circummarginate placenta
- whch of the following is not an ethical issue
- family traditions
- a common condtion in which funtioning endometrial tissue is present outside of the uterus is
- endometriosis
- because of low density of brain tissue, the texture of the brain may appear
- hypoechoic
- ovarian carcinoma is classidfied into four stages. Stage 11 is
- limited to pelvis
- the spleen is visualized on a trasverse plane just
- posterior and left to stomach
- sono findings of PID include all except which of the following
- endometriosis
- when evaluation the infertile pt. in addition to assessing structural anatomy the sonographer should evaluate the
- endometrium
- a fetus with partial situs inversus demonstrates the
- stomach on the right, heart on the left
- an acquired condition with ovstruction of the cervical canal is most likely a result of
- cervical stenosis
- evaluation of the fetal abdominal wall demonstrated evisceration of the bowel to the right of the umbilical cord. This is most rep of:
- gastroschisis
- the function of the hCG is to:
- maintain the corpus luteum in early pregnancy
- what refers to a persons capacity to formulate express and carry out value based preference
- autonomy
- a 3 day post partum woman complains of intense pelvic pain. Sono the uterus appears hypoechioc with irregular endo. This is most likely
- endometritis
- the fetal orbits should be measured
- in a plane slightly caudal to BPD
- which of the following is the most common nonlethal skeletal dysplasia
- achondroplasia
- when fetal pleural effusion is enountered a careful search of the
- diaphagm
- app ___% of all pregnant women in the us are examined with sono?
- 65
- the placenta of the macrosomic fetus can become:
- significantly large
- teh normal maternal serum alpha fetoprotein value varies with
- gestational age
- a high or superumbilical omphaocele is usually the primary finding in
- pentalogy of cantrell
- all except whicch of the following findings are seen in hydronephrosis
- renal enlargement
- polyhydraminos is defined as an amniotic fluid volume greater than
- 2000ml
- a common reason for elevation in maternal serum AFP is
- incorrect dates
- which of the following does not describe sono features of a right sided diaphramatic hernia
- the stomach lies superior to the diaphragm
- amniocentesis may be used for all except which of the following?
- prediction of cardiac anomalies
- the single most useful biometric parameter to assess fetal growth is
- abdominal circuference
- simple ovarian cysts in postmmenopausal women are not likely malignant when measuring less than
- 5
- which of the following statements about cleft lip and palate is false
- a complete bilateral cleft lip and palate is a small gap in the left upper lip on modified coronal view the nose is flattened and widened
- the structure that lies above the uteroovarian ligament, round ligament, and tuboovarian vessels is the
- fallopian tube
- what forms early in gestation adn surround the embryo
- amniotic cavity
- dilation of teh entire ventricular system including the 4th vent is associated with
- spinal defects
- a gestational sac in which teh embryo fails to develoop describes
- blighted ovum and anembryonic pregnancy
- the differential consideration of anencephaly include all except whihc of teh following
- arachnoid cyst
- an isolated unilateral cleft lip defect comonly originates
- on the left side of the face
- skeletal and central nervous system congenital anomalies in infants of diabetic mothers include all except which of the following
- macrocephaly
- cleft lip with or without cleft palate is seen more frequently in
- native americans
- a dominant follicle grows at a rate of
- 2 to 3
- this structure carries oxygenated blood from teh umbilical v. to the ivc
- ductus venous
- an early noninvasive means of assessing the risk of aneupleuidy is
- nuchal transluceny
- the permanent kidneys arise from teh
- metanphros
- common anomalies coexisting with gastroschisis include
- none
- a mature follicle typically is ____cm n size right before ovulation
- 2.0
- fetal anatomy may be assessed accurately after ____menstrual weeks
- 18
- using the maximum vertical depth method of assessing amniotic fluid volume
- a pocket between 2 and 8 cm is norm
- karyotype results can be processed within 2 to 3 days with this test
- cordocentesis
- a defect in the lower abdominal wall and anterior wall of the urinary bladder is
- cloacal estrophy
- normal lateral vent is less than
- 10
- the abdominal circumference on a transverse view is measured at the level of all structures except which of the following
- fetal kidneys
- the presence of one or more accessory lobes connected to the body of he placenta by blood vessels is
- succenturiate placenta
- which of the following statements about a pseudogestational sac is false?
- a pseudogestational sac is eccentrically located within the endometrium
- which of the following is not a parameter of a biophysical profile
- fetal swallowing
- peritoneal calcifications are noted in a 30 week fetus. This may represent
- meconium perionitis
- protrustion of the brain from the cranial cavity is called
- a cephalocele
- a group of disorders tat have in common the coexistence of omphalocele, macroglossia, and visceromegaly is the
- Beckwith Wiedmann syndrome
- geststational age can best be prediceted from the
- binocular distance
- the most common cause of uterine calcification is
- myomas
- the most common sono finding in endometrial carcinoma
- presents with abnormal thickening of the endo cavity, usually presents with irregular bleeding in perimenopausal and postmenapausal
- which of the following shunts blood away from the lungs
- the ductus arteriosus
- the most likely cause of bilateral hydronephrosis in the fetus is
- bladder outlet obstruction