Chapter 22 Obsteric Sonography Review

Question 1

_____is also referred to as trisomy 13?

Answer 1

Patau syndrome

Question 2

_____would be least likely associated with an elevation in MSAFP?

Answer 2

Turner syndrome

Question 3

_____artifacts is caused by attenuation of the sound beam?

Answer 3

Posterior shadowing

Question 4

_____artifact is produced when the sound beam is barely attenuated through a fluid or a fluid-containing structure?

Answer 4

Acoustic enhancement

Question 5

The abdominal circumference should include:

Answer 5

• Fetal stomach
• Fetal thoracic spine
• The umbilical vein

Question 6

_______describe the optimal instance to take the femur length measurement?

Answer 6

When the long axis of the femoral shaft is perpendicular to the sound beam

Question 7

The protein that is produced by the yolk sac, fetal gastrointestinal tract, and the fetal liver is:

Answer 7

Alpha-fetoprotein

Question 8

The physiologic ovarian cyst that develops after ovulation has occurred is the:

Answer 8

Corpus luteum cyst

Question 9

The dilation of the renal collecting system secondary to the obstruction of normal urine flow defines:

Answer 9

Hydronephrosis

Question 10

The triple screen typically includes an analysis of:

Answer 10

*hCG
*Alpha-fetoprotein
*Estriol

Question 11

_______would not typically produce an elevation in hCG?

Answer 11

Anembryonic pregnancy

Question 12

What is the fetal buttocks are closest to the cervix?

Answer 12

Frank breech

Question 13

Biophysical profile scoring is conducted for how long:

Answer 13

For 30 minutes

Question 14

Something that is idiopathic is said to be:

Answer 14

From an unknown cause

Question 15

What form of fetal presentation is the most common?

Answer 15

Cephalic

Question 16

The premature separation of the placenta from the uterine wall before the birth of the fetus describes:

Answer 16

Placental abruption

Question 17

The anechoic space along the posterior aspect of the fetal neck is the:

Answer 17

Nuchal translucency

Question 18

A myelomeningocele is associated with:

Answer 18

Spina bifida

Question 19

______are produced by the placenta :

Answer 19

*hCG
*PAPP-A
*Inhibin A

Question 20

______would be decreased in the presence of Edwards syndrome

Answer 20

• Estriol
• hCG
• Alpha-fetoprotein

Question 21

What is observed during a biophysical profile:

Answer 21

*Fetal tone
*Thoracic movement
*Fetal breathing

Question 22

Painless second-trimester vaginal bleeding is most often associated with:

Answer 22

Placenta previa

Question 23

The clinical manifestation of supine hypotensive syndrome include:

Answer 23

• Tachycardia
• Nausea
• Pallor

Question 24

The second trimester typically refers to weeks:

Answer 24

13-26

Question 25

In the TPAL designation, the "L" refers to:

Answer 25

Live births

Question 26

The number of pregnancies is defined as:

Answer 26

Gravidity

Question 27

The number of pregnancies in which the number of pregnancies in which the patient has given birth to a fetus at or beyond 20 weeks gestation or weight 500g?

Answer 27

Parity

Question 28

What would be an indication for a third-trimester sonogram?

Answer 28

*Evaluate fetal presentation *Evaluate fetal growth *Evaluate gestational age

Question 29

The quadruple screen includes an analysis of:

Answer 29

*hCG *Alpha-fetoprotein *Inhibin A

Question 30

Typically, with gastroschisis, the MSAFP value will be:

Answer 30

Elevated

Question 31

Typically, with anencephaly, the MSAFP value will be:

Answer 31

Elevated

Question 32

Typically, with a miscarriage, the serum hCG value will be:

Answer 32

Decreased

Question 33

What is the term for the fetal presentation that is head down?

Answer 33

Cephalic

Question 34

For the normal biophysical profile, the amniotic fluid pocket should measure:

Answer 34

At least 1cm in two perpendicular planes

Question 35

Whats included in the biophysical profile?

Answer 35

* Flexion of the limb * Amniotic fluid * Fetal breathing

Question 36

______would be the least likely indication for first-trimester sonogram?

Answer 36

Gender identification

Question 37

The reduction in blood return to the maternal heart caused by the gravid uterus compressing the maternal IVC describes:

Answer 37

Supine hypotensive syndrome

Question 38

What is defined as the area located posterior to the broad ligaments adjacent to the uterus, which contains the ovaries and fallopian tubes?

Answer 38

Adnexa

Question 39

Fetal presentation is determined by identifying the fetal part is closest to the:

Answer 39

Internal OS of the cervix

Question 40

In the second trimester, painful vaginal bleeding may occur as a result of:

Answer 40

Placental abruption

Question 41

In second trimester, painless vaginal bleeding is most often associated with:

Answer 41

Placental previa

Question 42

_____denotes the number of pregnancies that led to the birth of a fetus at or beyond 20 weeks gestational age or of an infant who weight 500g

Answer 42

Parity

Question 43

_____denotes the number of times a woman has been pregnant

Answer 43

Gravidity

Question 44

First-trimester sonograms may require the use of a ______or higher transvaginal transducer for better visualization

Answer 44

5-10MHz

Question 45

______is when the placenta covers or nearly covers the internal os of the cervix

Answer 45

Placenta previa

Question 46

______is a peptide hormone secreted by the placenta during pregnancy

Answer 46

Inhibin A

Question 47

_______is an estrogenic hormone produced by the placenta

Answer 47

Estriol

Question 48

The highest possible sonographic score is ______ points or ______points for each criterion accomplished

Answer 48

*8 *2

Question 49

The purpose of biophysical profile scoring is to investigate for signs of:

Answer 49

Fetal hypoxia and to assess overall fetal wellbeing

Question 50

______is a maternal blood test that includes an analysis of hCG, estriol, alpha-fetoprotein and inhibin A

Answer 50

Quadruple screen

Question 51

_____is a maternal blood test performed between 15-20 gestational weeks that includes hCG, maternal serum, alpha-fetoprotein(MSAFP) and estriol

Answer 51

Triple screen

Question 52

Measurements obtained in the first trimester include:

Answer 52

* Yolk sac * Gestational sac * CRL * NT

Question 53

_______is a reduction in blood return to the maternal heart caused by the gravid uterus compressing the maternal IVC

Answer 53

Supine hypotensive syndrome

Question 54

The third trimester in weeks

Answer 54

27-42 weeks

Question 55

The second trimester in weeks:

Answer 55

13-26 weeks

Question 56

First trimester in weeks:

Answer 56

1-12 weeks