Deck 15: Quality Assurance in Nuclear Medicine

Question 1

The dose equivalent limit per year for the hands of a nuclear medicine technologist is

A)0.5 rem (5 mSv).
B)5 rem (50 mSv).
C)30 rem (300 mSv).
D)50 rem (500 mSv).

Answer 1

D

Question 2

Spatial resolution of the gamma camera should be evaluated at least

A)daily.
B)weekly.
C)quarterly.
D)semi-annually.

Answer 2

B

Question 3

The discrimination and selection of the gamma photon detected by a scintillation camera are carried out by the

A)detection crystal.
B)photomultiplier tube.
C)pulse height analyzer.
D)collimator.

Answer 3

C

Question 4

The ability to produce a linear image with straight lines corresponding to the same straight lines of a bar pattern is known as

A)photopeaking.
B)field uniformity.
C)spatial resolution.
D)spatial linearity.

Question 5

Photopeak evaluation of the gamma camera should be performed at least

A)daily.
B)weekly.
C)quarterly.
D)semi-annually.

Question 6

The NRC requires that all survey meters undergo a ____ calibration and daily reference check before use.

A)daily
B)weekly
C)monthly
D)yearly

Question 7

Uniformity correction evaluation for SPECT gamma cameras should be performed at least

A)daily.
B)weekly.
C)monthly.
D)quarterly.

Question 8

The gamma detector's ability to detect ionizing events is known as

A)photopeaking.
B)sensitivity.
C)spatial resolution.
D)spatial linearity.

Question 9

The nuclear medicine procedure that requires photons created during annihilation reactions is

A)SPECT.
B)gamma cameras.
C)PET scanning.
D)all of the above.

Question 10

The main radiation detector in a scintillation gamma camera is a(n)

A)ion chamber.
B)lithium fluoride crystal.
C)sodium iodide crystal.
D)solid-state detector.