Hagen Chapter 25 Neonatal Echoencephalography Flashcards
1
Q
A mass of special cells located in the atrium of the lateral ventricles is which one of the following? Select one: a. Corpus callosum b. Caudate nucleus c. Choroid plexus d. Cisterna
A
c. Choroid plexus
2
Q
A thin, triangular space filled with CSF that lies between the anterior horn of the lateral ventricles is: Select one: a. Interhemispheric fissure b. Cavum septi pellucidi c. Trigone d. Caudate nucleus
A
b. Cavum septi pellucidi
3
Q
Acute neonatal brain hemorrhage appears \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. Select one: a. Echolucent b. Hypoechoic c. Echogenic d. Complex
A
c. Echogenic
4
Q
Approximately 40% of CSF is produced by which one of the following? Select one: a. Extracellular fluid b. Choroid plexus c. Corpus callosum d. Cerebrum
A
b. Choroid plexus
5
Q
Bilateral occlusion of the carotid arteries may result in \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. Select one: a. Hydrocephalus b. Hydranencephaly c. Holoprosencephaly d. Intraventricular hemorrhage
A
b. Hydranencephaly
6
Q
Convolutions on the surface of the brain are called which one of the following? Select one: a. Sulci b. Fissures c. Gyri d. Lobes
A
c. Gyri
7
Q
Cyclopia is associated with which one of the following? Select one: a. Holoprosencephaly b. Hydrocephalus c. Hydranencephaly d. Dandy-Walker malformation
A
a. Holoprosencephaly
8
Q
Dysgenesis of the fourth ventricle results in which one of the following malformations?
Select one:
a. Corpus callosum
b. Cystic dilation of the lateral ventricle
c. Holoprosencephaly
d. Dandy-Walker
A
d. Dandy-Walker
9
Q
Periventricular leukomalacia is defined as which one of the following? Select one: a. White matter necrosis b. Focal brain necrosis c. Thickened ependyma d. An epidural hemorrhage
A
a. White matter necrosis
10
Q
Sonography of the neonatal brain is evaluated through which one of the following? Select one: a. Inferior temporal lobe b. Anterior fontanelle c. Superior temporal lobe d. Posterior fontanelle
A
b. Anterior fontanelle
11
Q
The area in which the falx cerebri sits that separates the two cerebral hemispheres is which one of the following? Select one: a. Tentorium b. Corpus callosum c. Lateral ventricles d. Interhemispheric fissure
A
d. Interhemispheric fissure
12
Q
The brain coverings are known as which one of the following? Select one: a. Subependymomas b. Meninges c. Parenchyma d. Ependyma
A
b. Meninges
13
Q
The junction of the anterior, occipital, and temporal horns is called the \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. Select one: a. Cistern b. Brainstem c. Choroid plexus d. Atrium (trigone)
A
d. Atrium (trigone)
14
Q
The largest subarachnoid space demonstrated sonographically is \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. Select one: a. Suprasellar cistern b. Pontine cistern c. Quadrigeminal cistern d. Cistern magnum
A
d. Cistern magnum
15
Q
The most common cause of congenital hydrocephalus is which one of the following? Select one: a. Papilloma of the choroid plexus b. Aqueductal stenosis c. Overproduction of CSF d. Agenesis of the corpus callosum
A
b. Aqueductal stenosis