The following are indications for Second- and Third-Trimester Sonography: Correct Answer-Evaluation of gestational age
Evaluation of fetal growth
Evaluation of cervical insufficiency
Adjunct to amniocentesis
The protocol for second- and third-trimester sonography examinations includes, except...
OB 2 Midterm Exam questions with correct answers
The following are indications for Second- and Third-Trimester Sonography: Correct Answer-Evaluation of gestational age
Evaluation of fetal growth
Evaluation of cervical insufficiency
Adjunct to amniocentesis
The protocol for second- and third-trimester sonography examinations includes, except:
a) Fetal biometric assessment
b) Anatomic survey of fetus
c) Nuchal translucency
d) Amniotic Fluid Index (AFI) Correct Answer-C
The following statements are true, except: a) Being continuously aware of the right and left sides of the fetus is necessary to correctly assess fetal anatomy and situs.
b) The obstetric sonographer also needs to be prepared to vary the systematic examination and "catch as catch can" when pertinent anatomy presents during fetal
movements.
c) Fetal position changes more frequently after 34 weeks.
d) The fetal lie is described in relation to the maternal long axis Correct Answer-C Sonographers are highly recommended to, except:
a) Scan and take pictures in a random manner
b) Take additional views as needed
c) Exclude major fetal malformations
d) Follow practice guidelines Correct Answer-A
When the fetus is lying perpendicular to the long axis of the mother, this is described as: Correct Answer-Transverse fetal lie
When the lower extremities or buttocks are found to be in the lower uterine segment and the head is visualized in the uterine fundus, a ___________presentation is suspected. Correct Answer-Breech
The breech presentation showing flexion of the hips and extension of both knees, is
known as: Correct Answer-Frank breech
Correct positioning of fetal organs is called: Correct Answer-Situs
The gallbladder on the right side and the apex of the heart pointing toward the fetal
left side may be verified by their relationship to the _________. Correct Answer-
Stomach
Cranial bones ossify by _________ weeks of gestation. Correct Answer-12
The following scanning plane orientation is required to evaluate brain anatomy: Correct Answer-transverse T/F: A longitudinal or oblique view of the fetal brain may also be used to locate and assess normal anatomy. Correct Answer-true
Most brain anomalies are symmetrical processes, and documentation of the brain may be based on the anatomy seen in the _____ hemisphere. Correct Answer-
Distal (far-field)
While scanning the fetal brain, the interhemispheric fissure is seen as ___________ line. Correct Answer-Hyperechoic
The interhemispheric fissure is known as Correct Answer-Lateral ventricle
Midline echo
The largest portion of the ventricular system in the fetal cranium: Correct Answer-
Lateral ventricles
Echogenic tissue within the lateral ventricles that produces CNS fluid and that is seen prominently during second trimester fetal sonography: Correct Answer-
Choroid plexus
the most common type of fetal hydrocephaly: Correct Answer-Stenosis of the aqueduct of Sylvius
The inferior portion of the lateral ventricles connects with the temporal (inferior) and posterior horns. This portion of the ventricle is called: Correct Answer-Atrium of the lateral ventricles
Landmarks for the widest transverse diameter of the skull: Correct Answer-Cavum septum Pellucidum
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