BUSHONG WORKSHEET 36 QUESTIONS
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
What is the maximum allowable exposure level 1 meter from a diagnostic X-ray
tube housing?
A. 0.1 mGy/hr (10 mR/hr)
B. 1 mGy/hr (100 mR/hr)
C. 10 mGy/hr (1000 mR/hr)
D. Varies with kVp
E. Varies with equipment use
✔✔ Answer: B. 1 mGy/hr (100 mR/hr)
During mammography at tube potentials below 30 kVp, what is the minimum
required total equivalent filtration?
A. 0.05 mm Al
B. 0.1 mm Al
C. 0.25 mm Al
D. 0.5 mm Al
E. 2.5 mm Al
✔✔ Answer: D. 0.5 mm Al
The minimum permissible filtration for general purpose radiographic or
fluoroscopic tubes is:
a. 0.05 mm Al
b. 0.1 mm Al
c. 0.25 mm Al
d. 0.5 mm Al
e. 2.5 mm Al -ANSWER ✔✔e. 2.5 mm Al
, The fluoroscopic tube should not be positioned closer than 38 cm to the tabletop
because the:
a. Bucky slot would interfere
b. Geometric unsharpness would increase
c. Heat load on the tube would increase
d. Patient radiation dose would be excessive
e. Resultant magnification would be objectionable -ANSWER ✔✔d. Patient
radiation dose would be excessive
Which of the following is regulated in a controlled area?
a. Patient flow
b. Public access
c. Radiation exposure
d. Type of procedure
e. X-ray operation -ANSWER ✔✔b. Public access
Radiographic work load (W) has units of:
a. mAmin/wk
b. mR/mAmin
c. mR/mAs
d. R/mAmin/wk
e. R/wk -ANSWER ✔✔a. mAmin/wk
The radiographic workload in a busy radio fluoroscopy room is approximately:
a. 10 mAmin/wk
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
What is the maximum allowable exposure level 1 meter from a diagnostic X-ray
tube housing?
A. 0.1 mGy/hr (10 mR/hr)
B. 1 mGy/hr (100 mR/hr)
C. 10 mGy/hr (1000 mR/hr)
D. Varies with kVp
E. Varies with equipment use
✔✔ Answer: B. 1 mGy/hr (100 mR/hr)
During mammography at tube potentials below 30 kVp, what is the minimum
required total equivalent filtration?
A. 0.05 mm Al
B. 0.1 mm Al
C. 0.25 mm Al
D. 0.5 mm Al
E. 2.5 mm Al
✔✔ Answer: D. 0.5 mm Al
The minimum permissible filtration for general purpose radiographic or
fluoroscopic tubes is:
a. 0.05 mm Al
b. 0.1 mm Al
c. 0.25 mm Al
d. 0.5 mm Al
e. 2.5 mm Al -ANSWER ✔✔e. 2.5 mm Al
, The fluoroscopic tube should not be positioned closer than 38 cm to the tabletop
because the:
a. Bucky slot would interfere
b. Geometric unsharpness would increase
c. Heat load on the tube would increase
d. Patient radiation dose would be excessive
e. Resultant magnification would be objectionable -ANSWER ✔✔d. Patient
radiation dose would be excessive
Which of the following is regulated in a controlled area?
a. Patient flow
b. Public access
c. Radiation exposure
d. Type of procedure
e. X-ray operation -ANSWER ✔✔b. Public access
Radiographic work load (W) has units of:
a. mAmin/wk
b. mR/mAmin
c. mR/mAs
d. R/mAmin/wk
e. R/wk -ANSWER ✔✔a. mAmin/wk
The radiographic workload in a busy radio fluoroscopy room is approximately:
a. 10 mAmin/wk
