609B Poll Questions/Forums

UT 609B - OB 2

What sign is depicted by the arrows in this image?

a. Stargazer

b. Banana

c. Lemon

d. Strawberry

Banana

If you see this when scanning the fetal head, what else will you find?

a. Holoprosencephaly

b. Choroid plexus cyst

c. Spina bifida

d. Absent corpus callosum

Spina bifida

Which condition is associated with the stargazer sign?

a. Iniencephaly

b. Anencephaly

c. Chiari malformation

d. Exencephaly

Iniencephaly

A bony defect of the calvarium that allows herniation of meninges and/or brain is called:

a. Myelocele

b. Myelomeningocele

c. Rachischisis

d. Encephalocele

Encephalocele

The most common cranial neural tube defect is:

a. Spina bifida

b. Anencephaly

c. Acrania

d. Encephalocele

Anencephaly

What part of the brain does the rhombencephalon become?

a. Cerebellum

b. Lateral ventricle

c. Thalami

d. Third ventricle

Cerebellum

The network of arteries at the base of the fetal brain is:

a. Sagittal sinus

b. Circle of Willis

c. Vein of Galen

d. Ventricle system

Circle of Willis

Which of the following is not an ossified portion of the spine?

a. Spinous process

b. Vertebral body

c. Space between lamina & pedicle

d. All of the above are ossified

Spinous process

Partial or complete absence of the cerebral hemispheres is:

a. Hydrocephalus

b. Hydranencephaly

c. Holoprosencephaly

d. Dandy-Walker malformation

Hydranencephaly

What is this pathology?

a. Brachial cleft cyst

b. Encephalocele

c. Cystic hygroma

d. Myelomeningocele

Myelomeningocele

A collection of CSF in the posterior fossa with an intact vermis is known as:

a. Dandy-Walker malformation

b. Vein of Galen aneurysm

c. Arachnoid cyst

d. Porencephaly

Arachnoid cyst

What is the anomaly visualized in this image?

a. Hydranencephaly

b. Dandy-Walker malformation

c. Hydrocephalus

d. Holoprosencephaly

Hydrocephalus

What is the structure of the brain that is highly vascular and produces CSF?

a. CSP

b. Corpus callosum

c. Choroid plexus

d. Thalami

Choroid plexus

What structure is labeled A?

a. Third ventricle

b. CSP

c. Thalami

d. Choroid plexus

Choroid plexus

What structure is labeled C?

a. Third ventricle

b. CSP

c. Thalami

d. Choroid plexus

Third ventricle

The bony structures of the fetal face are typically first seen on ultrasound at ___ weeks.

a. 6-7

b. 8-9

c. 11-12

d. 14-16

11-12

What is being depicted in this image?

a. Teratoma

b. Cystic hygroma

c. Thyroglossal duct cyst

d. Cyclopia

Cystic hygroma

A single midline orbit is known as:

a. Anopthalmia

b. Hypertelorism

c. Microphthalmia

d. Cyclopia

Cyclopia

What is being depicted in this image?

a. Normal nose/lips

b. Cleft lip

c. Cleft palate

d. Proboscis

Normal nose/lips

Rostral means:

a. Toward the tail

b. Toward the head

c. Midline

d. Neurulation

Toward the head

The prosencephalon gives rise to which structure?

a. Thalamus

b. Cerebellum

c. Cerebral peduncles

d. Medulla oblongata

Thalamus

What are we seeing in this image?

a. Myelomeningocele

b. Teratoma

c. Cystic hygroma

d. Brachial cleft cyst

Myelomeningocele

What is being depicted in this image?

a. Macroglossia

b. Micrognathia

c. Hypertelorism

d. Proboscis

Proboscis

Which of the following lies along the floor of the lateral ventricle and the roof of the third ventricle?

a. CSP

b. Thalami

c. Choroid plexus

d. Cisterna magna

Choroid plexus

The ________ is a nerve bundle that connects the right and left hemispheres of the brain.

a. Corpus callosum

b. CSP

c. Falx

d. Thalami

Corpus callosum

What is this ultrasound image depicting?

a. Normal anatomy

b. Enlarged third ventricle

c. Enlarged lateral ventricle

d. Agenesis of the corpus callosum

Agenesis of the corpus callosum

Which of the following is not an ossification center of the vertebrae?

a. Vertebral body

b. Right lateral process

c. Spinous process

d. Left lamina

Spinous process

A defect in the spine where a sac that contains spinal cord and meninges protrudes from the spinal defect is known as:

a. Meningocele

b. Myelomeningocele

c. Chiari malformation

d. Cystic hygroma

Myelomeningocele

Mandibular hypoplasia that causes a receding chin is known as:

a. Hypotelorism

b. Macroglossia

c. Micrognathia

d. Microcephaly

Micrognathia

Causes of microcephaly include all of the following except:

a. Craniosynostosis

b. Zika virus

c. Enlarged ventricles

d. Maternal drug use

Enlarged ventricles

Which type of holoprosencephaly is the most severe?

a. Alobar

b. Semilobar

c. Lobar

d. Hydranencephaly

Alobar

Which of the following is associated with cyclopia and proboscis?

a. Hydrocephalus

b. Hydranencephaly

c. Holoprosencephaly

d. Choroid plexus cyst

Holoprosencephaly

A missing vermis and a cystic filling of the posterior fossa is a sign of _______.

a. Choroid plexus cyst

b. Arachnoid cyst

c. Vein of Galen aneurysm

d. Dandy-Walker malformation

Dandy-Walker malformation

Partial or complete absence of the cerebral hemispheres is known as:

a. Hydrocephalus

b. Hydranencephaly

c. Holoprosencephaly

d. Dandy-Walker malformation

Hydranencephaly

The dilation of the ventricular system is:

a. Ventriculomegaly

b. Hydrocephalus

c. Dandy-Walker malformation

d. Holoprosencephaly

Hydrocephalus

Choroid plexus cyst can be associated with which of the following?

a. Holoprosencephaly

b. Dandy-Walker malformation

c. Arachnoid cyst

d. Trisomy 18

Trisomy 18

A collection of CSF in the posterior fossa with an intact vermis is known as:

a. Dandy-Walker malformation

b. Vein of Galen aneurysm

c. Arachnoid cyst

d. Porencephaly

Arachnoid cyst

A cyst filled with CSF that usually communicates with the ventricles, subarachnoid space or both is:

a. Dura sinus malformation

b. Schizencephaly

c. Porencephaly

d. Teratoma

Porencephaly

The most common intracranial solid tumor is:

a. Teratoma

b. Glioblastoma

c. Choroid plexus cyst

d. Arachnoid cyst

Teratoma

What is being depicted in this image?

a. Hydranencephaly

b. Dandy-Walker malformation

c. Porencephaly

d. Hydrocephalus

Hydrocephalus

What are the arrows pointing to in this image?

a. Vertebral body ossification

b. Lateral ossification centers

c. Fetal cranium

d. Myelomeningocele

Lateral ossification centers

What is being depicted in this image?

a. Proboscis

b. Macroglossia

c. Absent nasal bone

d. Cleft palate

Macroglossia

Where is the Circle of Willis located in the brain?

a. Frontal lobe

b. Base

c. Cerebellum

d. Apex

Base

What is being depicted in this image?

a. Dandy-Walker malformation

b. Hydranencephaly

c. Normal fetal brain

d. Absence of the corpus callosum

Absence of the corpus callosum

What is being depicted in this image?

a. Cleft lip

b. Cleft palate

c. Normal nose/lips

d. Proboscis

Cleft lip