Post-Test 5 CT Safety with correct answers
1, 2 & 3 - CORRECT ANSWER - Which of the following organizations enforces radiation protection
standards?
1. OSHA
2. EPA
3. NRC
a. 1 & 3
b. 1, 2 & 3
c. 1 & 2
d. 2 & 3
if the radiologist determines the benefit of the scan outweighs the risk to th...
Post-Test 5 CT Safety with correct answers
1, 2 & 3 - CORRECT ANSWER - Which of the following organizations enforces radiation protection
standards?
1. OSHA
2. EPA
3. NRC
a. 1 & 3
b. 1, 2 & 3
c. 1 & 2
d. 2 & 3
if the radiologist determines the benefit of the scan outweighs the risk to the patient - CORRECT
ANSWER - It is acceptable to perform a CT scan on a pregnant patient only:
a. during the first trimester
b. during the second trimester
c. if the radiologist determines the benefit of the scan outweighs the risk to the patient
d. if the technologist determines the scan is medically necessary
1, 2 & 3 - CORRECT ANSWER - ______________ can occur due to radiation exposure.
1. Detrimental short-term effects
2. Detrimental long-term effects
3. Cancer
a. 1 & 3
, b. 1, 2 & 3
c. 2 & 3
d. 1 & 2
1 rem = 1 rad - CORRECT ANSWER - For x-ray radiation:
a. 1 rad = 1 Sv
b. 1 rad = 1 Gy
c. 1 rem = 1 Gy
d. 1 rem = 1 rad
the same as - CORRECT ANSWER - The skin dose for one conventional radiography film is 0.6 rad and 5
films using the same technique are required. The cumulative skin dose of the radiography study is
________ that of a 20 slice CT study in which the skin dose is 3.0 rad.
a. three times
b. the same as
c. one half
d. twice
3.5 rad - CORRECT ANSWER - Which of the following is a reasonable skin dose from a CT head scan?
a. 0.35
b. 35 Gy
c. 3.5 rad
d. 35 rad
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