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SEMINAR FOR OB/GYN > Ch. 22 Obstetric Sonography Overview > Flashcards

Ch. 22 Obstetric Sonography Overview Flashcards

1
Q 
All of the following may be visualized at the correct level of the head circumference except:
3rd ventricle
Thalamus
Cavum septum pellucidum
Falx cerebelli
A

Falx cerebelli

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2
Q

Typically, w/ a miscarriage, the serum human chorionic gonadotropin value will be:

  • Elevated
  • Decreased
  • This laboratory finding is not helpful
  • Unchanged
A

Decreased

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3
Q

Typically, w/ anencephaly, the maternal serum alpha-fetoprotein value will be:

  • Elevated
  • Decreased
  • This laboratory finding isn’t helpful
  • Unchanged
A

Elevated

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4
Q

Typically, w/ gastroschisis, the maternal serum alpha-fetoprotein value will be:

  • Elevated
  • Decreased
  • This laboratory finding isn’t helpful
  • Unchanged
A

Elevated

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5
Q

The quadruple screen includes an analysis of all of the following except:

  • Human chorionic gonadotropin
  • Alpha-fetoprotein
  • Inhibin A
  • Pregnancy-associated plasma protein A
A

Pregnancy-associated plasma protein A

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6
Q

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

  • Edwards syndrome
  • Pulmonary obstructive syndrome
  • Supine hypotensive syndrome
  • Recumbent hypotensive syndrome
A

Supine hypotensive syndrome

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7
Q 
The 2nd trimester typically refers to weeks:
12-26
13-26
10-28
26-42
A

13-26

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8
Q 
The clinical manifestations of supine hypotensive syndrome include all of the following except:
Proteinuria
Tachycardia
Nausea
Pallor
A

Proteinuria

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9
Q 
Painless 2nd trimester vaginal bleeding is most often associated w/:
Placental abruption
Ectopic pregnancy
Miscarriage
Placenta previa
A

Placenta previa

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10
Q 
All of the following are observed during a biophysical profile except:
Fetal tone
Thoracic movement
Fetal breathing
Fetal circulation
A

Fetal circulation

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11
Q

Which of the following wouldn’t be decreased in the presence of Edwards syndrome?

  • Estriol
  • Human chorionic gonadotropin
  • Alpha-fetoprotein
  • All would be decreased
A

All would be decreased

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12
Q

All of the following are produced by the placenta except:

  • Alpha-fetoprotein
  • Human chorionic gonadotropin
  • Pregnancy-associated plasma protein A
  • Inhibin A
A

Alpha-fetoprotein

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13
Q 
A myelomeningocele is associated w/:
Down syndrome
Spina bifida
Edwards syndrome
Patau syndrome
A

Spina bifida

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14
Q 
The anechoic space along the posterior aspect of the fetal neck is the:
Nuchal fold
Nuchal cord
Nuchal translucency
Rhombencephalon
A

Nuchal translucency

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15
Q 
The premature separation of the placenta from the uterine wall before the birth of the fetus describes:
Placenta previa
Placental abruption
Ectopic cordis
Subchorionic hamartoma
A

Placental abruption

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16
Q

Something that is idiopathic is said to be:

  • Caused by a functional abnormality
  • Related to fetal development
  • From an unknown cause
  • Found incidentally
A

From an unknown cause

17
Q 
Of the following forms of fetal presentation, which is the most common?
Cephalic
Complete breech
Frank breech
Transverse
A

Cephalic

18
Q

Fetal presentation is determined upon the fetal part closest to the:

  • External os of the cervix
  • Fundus of the uterus
  • Internal os of the cervix
  • Body of the uterus
A

Internal os of the cervix

19
Q

What’s the fetal presentation when the fetal buttocks are closest to the cervix referred to?

  • Footling breech
  • Frank breech
  • Complete breech
  • Transverse
A

Frank breech

20
Q 
Which of the following wouldn't typically produce an elevation in human chorionic gonadotropin?
Down syndrome
Anembryonic pregnancy 
Triploidy
Molar pregnancy
A

Anembryonic pregnancy

21
Q

The triple screen typically includes an analysis of:

  • Human chorionic gonadotropin, alpha-fetoprotein, and estriol
  • Human chorionic gonadotropin, alpha-fetoprotein, and Inhibin A
  • Fetal nuchal translucency, alpha-fetoprotein, and Inhibin A
  • Human chorionic gonadotropin, alpha-fetoprotein, and pregnancy-associated plasma protein A
A

Human chorionic gonadotropin, alpha-fetoprotein, and estriol

22
Q 
The dilation of the renal collecting system secondary to the obstruction of normal urine flow defines:
Nephrocalcinosis
Hydronephrosis
Renal calculi
Urinary stasis
A

Hydronephrosis

23
Q 
The physiologic ovarian cyst that develops after ovulation has occurred is the:
Theca internal cyst
Graafian cyst
Corpus luteum cyst
Cystic teratoma
A

Corpus luteum cyst

24
Q

The protein that’s produced by the yolk sac, fetal GI tract, and the fetal liver is:

  • Alpha-fetoprotein
  • Human chorionic gonadotropin
  • Pregnancy-associated plasma protein A
  • Inhibin A
A

Alpha-fetoprotein

25
Q

Which best describes the optimal instance to take the femur length measurement?

  • When the epiphyseal plates are clearly identified and the shaft is parallel to the sound beam
  • When the diaphysis of the femur is parallel to the sound beam
  • When the long axis of the femoral shaft is perpendicular to the sound beam
  • When the femoral shaft is parallel to the sound beam
A

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

26
Q

The abdominal circumference should include all of the following except:

  • The fetal stomach
  • The fetal thoracic spine
  • The umbilical vein
  • The kidneys
A

The umbilical vein

27
Q

Which artifact listed below is produced when the sound beam is barely attenuated through a fluid or a fluid-containing structure?

  • Reverberation artifact
  • Comet tail artifact
  • Posterior shadowing
  • Posterior enhancement
A

Posterior enhancement

28
Q

Which artifact listed below is caused by attenuation of the sound beam?

  • Reverberation artifact
  • Comet tail artifact
  • Posterior shadowing
  • Posterior enhancement
A

Posterior shadowing

29
Q 
Which of the following would most likely not be associated w/ an elevation in maternal serum alpha-fetoprotein?
Anencephaly
Down syndrome
Meningocele
Myelomeningocele
A

Down syndrome

30
Q 
Which of the following is also referred to as trisomy 13?
Down syndrome
Edwards syndrome
Turner syndrome
Patau syndrome
A

Patau syndrome

SEMINAR FOR OB/GYN (18 decks)

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