ARRT Penny ch.30
Absent nasal bones in an increased nuchial measurement is most consistent with the sonographic markers for: A. Trisomy 21 B. Trisomy 13 C. Triploidy D. Trisomy 18
A. Trisomy 21
Webbed fingers or toes are termed : A. Clinodactyly B. Syndactyly C. Polydactyly D. Whren syndrome
B. Syndactyly
The term for small eyes is: a. microphthalmia b. mirognathia c. microcephaly d. microglossia
a. microphthalmia
Advanced maternal age is considered to be: a. > 25 years of age b. > 30 years of age c. > 35 years of age d. > 32 years of age
c. > 35 years of age
A molar pregnancy, omphalocele, and small low-set ears are found most often with: a. trisomy 21 b. trisomy 18 c. trisomy 13 d. triploidy
d. triploidy
Another name for patau syndrome is: a. trisomy 21 b. trisomy 16 c. trisomy 18 d. trisomy 13
d. trisomy 13
Cyclopia would most likely be associated with: a. trisomy 8 b. trisomy 21 c. trisomy 18 d. trisomy 13
d. trisomy 13
Which of the following laboratory findings would not be consistent with trisomy 21 a. high AFP b. low estriol c. high hCG d. low PAPP-A
a. high AFP
The earliest invasive fetal karyotyping technique that can be performed is: a. amniocentesis b. cordocentesis c. CVS d. PUBS
c. CVS (at 10-13 weeks)
With what procedure is placental tissue obtained: a. amniocentesis b. cordocentesis c. CVS d. trophoblastic resection technique
c. CVS (chorionic villi sampling)
Rounded head shape is referred to as: A. Dolichocephaly B. Brachycephaly C. Cebocephaly D. Craniosynostosis
B. Brachycephaly
Widened pelvic angles and duododnal atresia are most consistent with the sonographic markers for: A. Triploidy B. Patau syndrome C. Down syndrome D.Edwards syndrome
C. Down syndrome
Pelviocaliectasis refers to: a. dilation of the renal pelvis and calices b. enlargement of the fetal pelvis c. ectopic location of the kidney within the pelvis d. dilation of the ureter within the pelvis
a
Normal diploid cells have: a. 46 chromosomes b. 23 chromosomes c. 21 chromosomes d. 69 chromosomes
a. 46 chromosomes
The triple screen typically includes; a. Alpha-fetoprotein, estriol, and hCG b. alpha-fetoprotein, amniotic fluid index, and hCG c. alpha-fetoprotein, estriol, and PAPP-A d. PAPP-A, inhibin A, and hCG
a. Alpha-fetoprotein, estriol, and hCG
Which protein is not produced by the developing placenta a. alpha-fetoprotein b. hCG c. estriol d. PAPP-A
a. alpha-fetoprotein
Echogenic small bowel is most often associated with: a. down syndrome b. edwards syndrome c. patau syndrome d. turner syndrome
a. down syndrome
A strawberry-shaped skull is associated with: a. edwards syndrome b. turners syndrome c. down syndrome d. patau syndrome
a. edwards syndrome
Which of the following is not consistent with the diagnosis of nonimmune hydrops a. hypoplastic mandible b. pleural effusion c. ascites d. subcutaneous edema
a. hypoplastic mandible
A 22-week fetus with clinodactyly, an echogenic intracardiac focus, and hyperechoic bowel is noted during a screening obstetrical sonogram. These findings are most consistent with: a. trisomy 21 b. trisomy 13 c. monosomy x d. trisomy 18
a. trisomy 21
What is macroglossia most often associated with a. trisomy 21 b. trisomy 18 c. triploidy d. turner syndrome
a. trisomy 21
The bending of the fifth digit toward the fourth digit is called: a. syndactyly b. clinodactyly c. polydactyly d. stabodactyly
b. clinodactyly
What are the fingerlike projections of gestational tissue that attach to the decidualized endometrium? a. decidua capsularis b. decidua vera c. chorionic villi d. placental substance
c. chorionic villi
What is another name for the most common chromosomal abnormality a. edwards syndrome b. triploidy c. down syndrome d. turner syndrome
c. down syndrome
With which of the following syndrome is brachycephaly associated most often? a. edwards syndrome b. patau syndrome c. down syndrome d. turner syndrome
c. down syndrome
Which of the following is a sex chromosome anomaly associated with hypogonadism and subnormal intelligence in males a. down syndrome b. edwards syndrome c. klinefelter syndrome d. turner syndrome
c. klinefelter syndrome (XXY)
A structural abnormality that results from an abnormal development describes: a. syndrome b. chromosomal deviation c. malformation d. congenital misrepresentation
c. malformation
A fetus with a karyotype revealing it has 69 chromosomes and sonographic findings of webbed fingers and intrauterine growth restriction most likely has: a. trisomy 21 b. trisomy 18 c. triploidy d. turner syndrome
c. triploidy
Theca lutein cysts would most likely be linked with a molar pregnancy and: a. Down syndrome b. intrauterine growth restriction c. triploidy d. monosomy X
c. triploidy (Often, a partial molar pregnancy is found with a triploid fetus, thus resulting in a markedly elevated hCG level and bilateral ovarian theca lutein cysts)
Cleft lip, hypotelorsim, and microphthalmia are all sonographic features of: a. trisomy 21 b. trisomy 18 c. trisomy 13 d. turner syndrome
c. trisomy 13
Bilateral choroid plexus cysts, micrognathia, and rockerbottom feet are sonographic findings of a 27-week fetus with an omphalocele. These findings are most consistent with: a. trisomy 21 b. trisomy 13 c. trisomy 18 d. triploidy
c. trisomy 18
Which of the following is a sex chromosome anomaly? a. edwards syndrome b. trisomy 13 c. down syndrome d. 45,X
d. 45,X
Monosomy X refers to: a. Edwards syndrome b. Patau syndrome c. Down syndrome d. Turner syndrome
d. Turner syndrome
Webbing of the neck and short stature is found in infertile female patients with a history of: A. trisomy 21 B. Triploidy c. trisomy 13 d. Turner syndrome
d. Turner syndrome
The maternal serum screening of a mother with a fetus with trisomy 18 will reveal: a. decreased hCG, elevated alphaprotein, and normal estriol b. increased hCG, alpha-fetoprotein, and estriol c. increased alpha-fetoprotein, increased hCG, and decreased estriol d. decreased hCG, alpha-fetoprotein, and estriol
d. decreased hCG, alpha-fetoprotein, and estriol
A 38-year-old pregnant woman presents to the sonography department for an obstetrical sonogram with abnormal maternal serum screening. Her alpha-fetoprotein and estriol are low, whereas her hCG is elevated. These laboratory findings are most consistent with: a. edwards syndrome b. patau syndrome c. triploidy d. down syndrome
d. down syndrome
Fusion of the orbits and holoprosencephaly are associated with: a. edwards syndrome b. turner syndrome c. down syndrome d. patau syndrome
d. patau syndrome
A large space between the first and second toes is termed: a. polydactyly b. clubfoot c. ulnaration d. sandal gap
d. sandal gap
Sonographically, you identify a fetus with fusion of the thalami and a monoventricle. Which chromosomal abnormality would be most likely a. trisomy 8 b. trisomy 21 c. trisomy 18 d. trisomy 13
d. trisomy 13
Nonimmune hydrops and ovarian dysgenesis are found in fetuses affected by a. trisomy 21 b. trisomy 18 c. trisomy 13 d. turner syndrome
d. turner syndrome
