Exam 60: Fetal Neural Axis

The differential considerations of anencephaly include all of the following except:

Which one of the following defects is associated with Meckel-Gruber syndrome?

Facial anomalies in holoprosencephaly may represent all of the following except:

An open spinal defect characterized by a protrusion of meninges and spinal cord through the defect, usually within a meningeal sac, is called which one of the following?

Which one of the following statements about microcephaly is incorrect?

Which one of the following fetal head anomalies is characterized by the presence of a single primitive ventricle?

Ventriculomegaly is defined as lateral ventricular enlargement measuring greater than ____ millimeters (mm).

Which one of the following anomalies may be characterized by the presence of colpocephaly?

A form of holoprosencephaly characterized by a common ventricle, hypotelorism, and a nose with a single nostril is which one of the following?

Ventriculomegaly coupled with an enlargement of the fetal head is called which one of the following?

Anomalies associated with anencephaly include all of the following except:

Which one of the following terms is used to describe the herniation of the meninges and brain through a calvarium defect?

Which one of the following abnormalities is described as the congenital absence of the cerebral hemispheres resulting from an occlusion of the internal carotid arteries?

Which of the following signs are characteristic of the Arnold-Chiari malformation?

Conditions commonly associated with fetal hydrocephalus include all of the following except:

A condition in which a complete or partial absence of the cranial bones is demonstrated is which one of the following?

Which one of the following is the most severe form of holoprosencephaly and is characterized by a single common ventricle and malformed brain?

Which one of the following central nervous anomalies demonstrates splaying of the cerebellar hemispheres on ultrasound?

Which one of the following anomalies is characterized by the presence of a posterior fossa cyst and a splaying of the cerebellar hemispheres?

A vein of Galen malformation is which one of the following abnormalities?