CT Mod 7
The slice thickness of each slice for a routine head computed tomography (CT) scan is measured in:
A) millimeters (mm)
B) centimeters (cm)
C) meters (m)
D) inches (in) - correct answer ✔✔A) millimeters (mm)
For the routine head CT examination, axial slices are acquired:
A) parallel to the interpupillary line
B) perpendicular to the interpupillary line
C) parallel to the orbital meatal line
D) perpendicular to the orbital meatal line - correct answer ✔✔C) parallel to the orbital meatal line
Which reconstruction algorithm is used for trauma head CT scans to best demonstrate bony detail?
A) standard
B) sharp
C) kernel
D) radon - correct answer ✔✔B) sharp
The common contrast injection parameter for a routine head CT scan is _____ mL at _____ mL per
second.
A) 50; 1
B) 100; 1
C) 150; 2
D) 150; 4 - correct answer ✔✔B) 100; 1
The scan range protocol for a routine neck CT scan should include anatomy from:
, A) skull base to the sternoclavicular joints
B) C1 to the sternoclavicular joints
C) C1 through C7
D) external auditory meatus (EAM) to the carina - correct answer ✔✔D) external auditory meatus (EAM)
to the carina
The slice thickness and spacing for a routine neck CT scan should be set close to _____ mm every _____
mm.
A) .5; 1
B) 1; 1
C) 3; 3
D) 10; 15 - correct answer ✔✔C) 3; 3
Which of the following is an indication for a CT examination of the cervical spine?
A) sinusitis
B) stroke
C) migraine
D) degenerative disease - correct answer ✔✔D) degenerative disease
For CT imaging of the cervical spine, technical factors are consistent for almost all patients except:
A) children
B) women weighing less than 100 lbs.
C) men weighing less than 160 lbs.
D) the elderly - correct answer ✔✔A) children
What is the matrix size for a CT cervical spine scan?
A) 256 x 256
B) 512 x 512
C) 768 x 768
The slice thickness of each slice for a routine head computed tomography (CT) scan is measured in:
A) millimeters (mm)
B) centimeters (cm)
C) meters (m)
D) inches (in) - correct answer ✔✔A) millimeters (mm)
For the routine head CT examination, axial slices are acquired:
A) parallel to the interpupillary line
B) perpendicular to the interpupillary line
C) parallel to the orbital meatal line
D) perpendicular to the orbital meatal line - correct answer ✔✔C) parallel to the orbital meatal line
Which reconstruction algorithm is used for trauma head CT scans to best demonstrate bony detail?
A) standard
B) sharp
C) kernel
D) radon - correct answer ✔✔B) sharp
The common contrast injection parameter for a routine head CT scan is _____ mL at _____ mL per
second.
A) 50; 1
B) 100; 1
C) 150; 2
D) 150; 4 - correct answer ✔✔B) 100; 1
The scan range protocol for a routine neck CT scan should include anatomy from:
, A) skull base to the sternoclavicular joints
B) C1 to the sternoclavicular joints
C) C1 through C7
D) external auditory meatus (EAM) to the carina - correct answer ✔✔D) external auditory meatus (EAM)
to the carina
The slice thickness and spacing for a routine neck CT scan should be set close to _____ mm every _____
mm.
A) .5; 1
B) 1; 1
C) 3; 3
D) 10; 15 - correct answer ✔✔C) 3; 3
Which of the following is an indication for a CT examination of the cervical spine?
A) sinusitis
B) stroke
C) migraine
D) degenerative disease - correct answer ✔✔D) degenerative disease
For CT imaging of the cervical spine, technical factors are consistent for almost all patients except:
A) children
B) women weighing less than 100 lbs.
C) men weighing less than 160 lbs.
D) the elderly - correct answer ✔✔A) children
What is the matrix size for a CT cervical spine scan?
A) 256 x 256
B) 512 x 512
C) 768 x 768
