LO2

Question 1

how is the gantry angled for a head CT

Answer 1

angled until its parallel with the supraorbital meatal line

Question 2

WW for the brain

Answer 2

100

Question 3

WL for the brain

Answer 3

30

Question 4

what is a disadvantage to supine position for the face and sinus

Answer 4

does not provide true images of the face and sinuses in the coronal plane

Question 5

WW for facial bones

Answer 5

4000

Question 6

WL for facial bones

Answer 6

400

Question 7

ww for sinuses

Answer 7

4000

Question 8

WL for sinuses

Answer 8

1000

Question 9

acquisition for face and sinus CT scans

Answer 9

helical

Question 10

acquisition type for neck CT scans

Answer 10

helical scans

Question 11

WW for soft tissue neck

Answer 11

450

Question 12

WL for soft tissue neck

Answer 12

75

Question 13

neck bone WW

Answer 13

2000

Question 14

bone neck WL

Answer 14

500

Question 15

what is the usual scan delay for head and face tumor or infectious process assesment

Answer 15

3-5 mins

Question 16

what is the administration rate and size of the IV for a vascular abnormality assessment CT

Answer 16

4-5ml/sec into a 20-18 gauge

Question 17

what technique can be used for contrast administration for a neck CT of soft tissues

Answer 17

split bolus technique

Question 18

start/end location for head and brain

Answer 18

start: base of skull
end: vertex

Question 19

facial bones start/end locations

Answer 19

start: just superior to frontal bone
end: just inferior to mandible

Question 20

sinuses start/end location

Answer 20

start: just superior to frontal sinuses
end: just inferior to maxillary sinus

Question 21

COW start/end location

Answer 21

start: base of skull
end: vertex

Question 22

neck start/end locations

Answer 22

start: mid orbit
end: clavicular head (thoracic inlet)