2nd & 3rd Trimester SonoSim
Which of the following statements best characterizes sonographic assessment of basic fetal anatomy? - ANSWER-The stomach, gallbladder, and urinary bladder appear anechoic.
Which of the following statements best characterizes sonographic assessment of basic fetal neuroanatomy? - ANSWER--The fetal skull normally has an elliptical echogenic appearance.-The choroid plexus and pia, arachnoid, and dura mater layers have a bright, hyperechoic appearance
Which of the following statements best characterizes the cavum septum pellucidi? - ANSWER--It is a midline structure.-It has an anechoic appearance.-It runs parallel to the falx cerebri.-It is located between the frontal horns and bodies of the lateral ventricles.
Which of the following statements best describes second- and third-trimester pregnancy ultrasound examinations? - ANSWER-None of the above
Positioning the patient in a right or left lateral decubitus position can often mitigate supine hypotensive syndrome. - ANSWER-True
The ALARA principle advocates for the lowest possible ultrasonic exposure needed to obtain requisite diagnostic ultrasound information. - ANSWER-True Which of the following statements best describes the choroid plexus? - ANSWER-The choroid plexus is responsible for cerebrospinal fluid production
Ventriculomegaly is defined by measuring the internal width of the atrium of the lateral ventricles and having the diameter measure greater than 10 mm. - ANSWER-True
Which of the following statements best characterizes anencephaly? - ANSWER-It is characterized by the absence of brain tissue associated with absent calvaria, with preservation of the skull base.
Basic sonographic evaluation of the fetal face involves evaluation of which of the following structures? - ANSWER--Orbits -Upper lip -Philtrum 1 / 2
Which of the following statements best characterizes basic fetal heart anatomy? - ANSWER--The walls of cardiac chambers typically have a hyperechoic appearance.-The fetal spine and thoracic ribs are landmarks that can assist with image orientation.
Which of the following congenital heart lesions can be detected with a four-chamber view of the fetal heart? - ANSWER--Ventricular septal defects -Atrioventricular canal defects -Ventricular hypoplasia
Which of the following structures serves as a sonographic anatomic landmark when evaluating fetal lung anatomy with ultrasound? - ANSWER--Ribs -Heart
The fetal spleen is always more hyperechoic than the fetal liver upon ultrasound inspection. - ANSWER-False
Which of the following structures serves as a sonographic anatomic landmark when evaluating the fetal stomach with ultrasound? - ANSWER--Spine -Stomach bubble
Which of the following statements best characterizes the sonographic evaluation of fetal abdominal wall defects? - ANSWER-Gastroschisis is defined by prolapsed abdominal contents that lack a peritoneal lining
Which of the following statements best characterizes the fetal genitourinary system? - ANSWER--Fetal urination accounts for a majority of amniotic fluid in late pregnancy.-Amniotic fluid volume is used as a surrogate marker of renal function.
Potter's syndrome is characterized by a marked decrease in amniotic fluid volume. - ANSWER-True
Which of the following statements best characterizes infantile polycystic kidney disease? - ANSWER--It can result in fetal death.-It often coexists with lung hypoplasia.
Which of the following statements best characterizes fetal musculoskeletal anatomy? - ANSWER--Ossified fetal bone has a bright hyperechoic sonographic appearance.-Fetal cartilage has a mid-grey, hypoechoic echotexture.-Muscle has a hypoechoic appearance relative to surrounding structures.
Which of the following statements best characterizes spina bifida? - ANSWER-Spina bifida is characterized by incomplete fusion of posterior bony elements of the spine.
Fetal biometry refers to a series of antenatal ultrasound measurements that are often used for pregnancy dating. - ANSWER-True
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