pet 1 exam

Question 1

what quality control procedure is not done on pet camera

Answer 1

volumetric quality control

Question 2

does FBP reconstruction have better signal to noise ratio than iterative reconstruction

Answer 2

no

Question 3

what is not true about annihilation rxn

Answer 3

the angle of the two annihilation photons emitted may vary 180 degrees due to excess mass of positron (FALSE)

Question 4

E of N-13

Answer 4

1.19 MeV

Question 5

singles correction is done to…

Answer 5

correct for efficiency differences among the individual detectors

Question 6

E of F-18

Answer 6

0.635 MeV

Question 7

T1/2 Rb-82

Answer 7

76 sec

Question 8

the range traveled for a positron through tissue is not constant due to…

Answer 8

-differing tissue densities
-energy of the positron

Question 9

which has longest positron range

Answer 9

O-15

Question 10

E of Cu-64

Answer 10

0.653 MeV

Question 11

noise from an image is due to _____ freq

Answer 11

high

Question 12

daily blank scans check for

Answer 12

working PM tubes that are collecting data

Question 13

multiple myeloma is scanned

Answer 13

top of head through toes

Question 14

T-1/2 of N-13

Answer 14

9.97 min

Question 15

well counter correction is used when

Answer 15

SUV measurements are used

Question 16

E of Ge-68

Answer 16

0.936 MeV

Question 17

which cancer uses diuretic before scanning

Answer 17

colon cancer

Question 18

T1/2 of O-15

Answer 18

122 sec

Question 19

E of O-15

Answer 19

1.72 MeV

Question 20

T1/2 of F-18

Answer 20

109.75 min

Question 21

weekly high count blank scan checks for

Answer 21

correcting geometric inconsistencies within the gantry itself

Question 22

E of i-124

Answer 22

2.13 mev

Question 23

t1/2 of cu-64

Answer 23

12.7 hours

Question 24

normalization correction is done to

Answer 24

correct for efficiency differences in the individual detectors/ crystals

Question 25

which cancer can occur anywhere

Answer 25

merkel cell lymphoma

Question 26

band through an image indicates

Answer 26

error with the electronics

Question 27

if a pt moves during scan the part that moved will have what affect on AC

Answer 27

overcorrected