Computed Tomography (CT) module 1
Most modern CT scanner tables are made of: - correct answer ✔✔Carbon fiber
In a busy CT department, an x-ray tube is expected to last approximately: - correct answer ✔✔one year
The detector's ability to gather the x-ray photons that pass through the patient is called _____ efficiency
- correct answer ✔✔
Which type of detectors are the industry standard because of their increased sensitivity and reliability? -
correct answer ✔✔scintillation
Collimators used in computed tomography include: 1. prepatient. 2. postpatient. 3. automatic. - correct
answer ✔✔
Which type of CT scanning is characterized by a stop-and-start rotation motion? - correct answer ✔✔
If a patient takes several breath holds with different levels of inspiration throughout the exam, the
reconstructed images may demonstrate a specific type of artifact. What is the name of this artifact? -
correct answer ✔✔
The development of _____ allowed the x-ray tube and detectors to rotate around a patient continuously.
- correct answer ✔✔Slip rings
If gaps exist between slices of a CT scan, the pitch setting would be: - correct answer ✔✔Greater than
one
Which of the following factors determines pitch? - correct answer ✔✔Table movement
The actual area of interest scanned by the CT scanner is the: - correct answer ✔✔
Most modern CT scanner tables are made of: - correct answer ✔✔Carbon fiber
In a busy CT department, an x-ray tube is expected to last approximately: - correct answer ✔✔one year
The detector's ability to gather the x-ray photons that pass through the patient is called _____ efficiency
- correct answer ✔✔
Which type of detectors are the industry standard because of their increased sensitivity and reliability? -
correct answer ✔✔scintillation
Collimators used in computed tomography include: 1. prepatient. 2. postpatient. 3. automatic. - correct
answer ✔✔
Which type of CT scanning is characterized by a stop-and-start rotation motion? - correct answer ✔✔
If a patient takes several breath holds with different levels of inspiration throughout the exam, the
reconstructed images may demonstrate a specific type of artifact. What is the name of this artifact? -
correct answer ✔✔
The development of _____ allowed the x-ray tube and detectors to rotate around a patient continuously.
- correct answer ✔✔Slip rings
If gaps exist between slices of a CT scan, the pitch setting would be: - correct answer ✔✔Greater than
one
Which of the following factors determines pitch? - correct answer ✔✔Table movement
The actual area of interest scanned by the CT scanner is the: - correct answer ✔✔
