Nuclear

Question 1

three main types of nuclear

Answer 1

planar scintigraphy ( 2D)
single photon emission (CT)(3D)
positron emission tomography(PET)(3D)

Question 2

anatomical imaging

Answer 2

structure and anatomy

Question 3

functional imaging

Answer 3

nuclear, metabolic activity and tissue growth

Question 4

type of decay in SPECT

Answer 4

gamma ray 140 KEV

Question 5

type of decay in PET

Answer 5

positron decay 5 KEV

Question 6

3 features of radiotracers

Answer 6

high enough energy to pass through the body
half-life is just right
ability to trace

Question 7

gamma ray camera components

Answer 7

collimator
scintillation crystal
photomultiplier tubes
signal analysis

Question 8

collimator

Answer 8

filters scatered signals

Question 9

scintillation crystal

Answer 9

converts gamma photons to light

Question 10

photomultiplier tubes

Answer 10

convert light to eletrical current

Question 11

signal analysis

Answer 11

computes location comapres signal to threshold

Question 12

two clinical tests SPECT is sued for

Answer 12

heart and brain perfusions

Question 13

Bright regions on PET or SPECT represent

Answer 13

higher blood flow