CT Mod 7 questions with 100% correct answers graded A+

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