Chapter 18 Review Questions Flashcards
What is the name of the white matter structure that interconnects the hemispheres of the cerebrum?
Corpus callosum
What is the name of the structure that serves as an interpretation center for certain sensory impulses, such as pain, temperature, and touch?
Thalamus
What is the name of the pathway for CSF between the third and fourth ventricles?
Cerebral aqueduct
A technique used to view vessels demonstrated in CTA defines:
maximum intensity projection (MIP).
Which of the following measures will reduce dose during a pediatric CT study?
Increase slice thickness.
Which of the following determines the generation (1st-4th) of the CT scanner?
Detectors
Which of the following is an advantage of multislice over single-slice CT?
a. Improved image quality
b. Improved spatial resolution
c. Shorter acquisition time
Which component of the CT system is comprised of solid state detectors made of photodiodes coupled with scintillation crystal materials?
Detector array
A 3D tissue volume in the CT slice is termed:
voxel.
Window width (WW) controls which of the following?
Image contrast
The amount of anatomy covered during a scan is determined by which of the following?
Pitch
What is the CT number for water?
0
Which tissue type appears white on a CT scan?
Cortical bone
Which of the following is a pathologic indication for a CT head procedure?
a. Hydrocephalus
b. Tumors
c. Headache
Which of the following is an inflammatory or infectious condition?
Meningitis
