BXMO Exam questions with verified answers
A gonad shield should be used whenever the edge of the radiation filed
is within ________
cm of the gonads. Ans✓✓✓ 5
A grid must be used when the body part becomes larger than:
Ans✓✓✓ 10-12 cm
A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and 48
inches SID. The value of the
mAs for this exposure is: Ans✓✓✓ A. 8 mAs
B. 50 mAs
C. 3,840 mAs
D. 4,000 mAs
A satisfactory radiographic image is made using 40-inches SID and 25
mAs. Approximately how
much mAs is required to produce a similar image at 48-inches SID?
Ans✓✓✓ A. 12 mAs
B. 30 mAs
C. 36 mAs
D. 50 mAs
,A satisfactory radiographic image of a shoulder is made on a patient
measuring 14 cm. using 15 mAs
and 75 kVp. Approximately how much mAs is needed to produce a
similar image on a patient measuring 16 cm.? Ans✓✓✓ A. 16 mAs
B. 20 mAs
C. 25 mAs
D. 35 mAs
According to the NCRP, there is cause for concern if a pregnant woman
receives a dose in excess of
______ to the uterus. Ans✓✓✓ 25 Gy-t
An exposure time of 0.02 seconds is equal to how many milliseconds?
Ans✓✓✓ 20 msec!
An image made using 20 mAs and 100 kVp has satisfactory radiographic
density, but is lacking in
radiographic contrast. Which of the following techniques will improve
the appearance of the image? Ans✓✓✓ A. 10 mAs and 115 kVp
B. 40 mAs and 115 kVp
C. 10 mAs and 85 kVp
D. 40 mAs and 85 kVp
, Anatomic position is described by which of the following statements?
Ans✓✓✓ standing facing the observer with palms of hands turned
forward and toes facing anteriorly
Digital imaging requires that the exposure technique is accurately set.
Which of the following is
the most critical of the exposure factors? Ans✓✓✓ kVp
Grid cut-off will occur when:
1. the grid is tilted
2. the kVp is to high
3. when the SID is out of focal range Ans✓✓✓ the grid is tilted
when the SID is out of range
How many detectors are contained in an automatic exposure control
(AEC) device in an x-ray
table? Ans✓✓✓ 3
How many heat units (HU) are generated on a high frequency (HF)
generator if an exposure
time of 300 mA, 0.12 sec., and 95 kVp is used? Ans✓✓✓ A. 36
B. 2,800
C. 3,420
A gonad shield should be used whenever the edge of the radiation filed
is within ________
cm of the gonads. Ans✓✓✓ 5
A grid must be used when the body part becomes larger than:
Ans✓✓✓ 10-12 cm
A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and 48
inches SID. The value of the
mAs for this exposure is: Ans✓✓✓ A. 8 mAs
B. 50 mAs
C. 3,840 mAs
D. 4,000 mAs
A satisfactory radiographic image is made using 40-inches SID and 25
mAs. Approximately how
much mAs is required to produce a similar image at 48-inches SID?
Ans✓✓✓ A. 12 mAs
B. 30 mAs
C. 36 mAs
D. 50 mAs
,A satisfactory radiographic image of a shoulder is made on a patient
measuring 14 cm. using 15 mAs
and 75 kVp. Approximately how much mAs is needed to produce a
similar image on a patient measuring 16 cm.? Ans✓✓✓ A. 16 mAs
B. 20 mAs
C. 25 mAs
D. 35 mAs
According to the NCRP, there is cause for concern if a pregnant woman
receives a dose in excess of
______ to the uterus. Ans✓✓✓ 25 Gy-t
An exposure time of 0.02 seconds is equal to how many milliseconds?
Ans✓✓✓ 20 msec!
An image made using 20 mAs and 100 kVp has satisfactory radiographic
density, but is lacking in
radiographic contrast. Which of the following techniques will improve
the appearance of the image? Ans✓✓✓ A. 10 mAs and 115 kVp
B. 40 mAs and 115 kVp
C. 10 mAs and 85 kVp
D. 40 mAs and 85 kVp
, Anatomic position is described by which of the following statements?
Ans✓✓✓ standing facing the observer with palms of hands turned
forward and toes facing anteriorly
Digital imaging requires that the exposure technique is accurately set.
Which of the following is
the most critical of the exposure factors? Ans✓✓✓ kVp
Grid cut-off will occur when:
1. the grid is tilted
2. the kVp is to high
3. when the SID is out of focal range Ans✓✓✓ the grid is tilted
when the SID is out of range
How many detectors are contained in an automatic exposure control
(AEC) device in an x-ray
table? Ans✓✓✓ 3
How many heat units (HU) are generated on a high frequency (HF)
generator if an exposure
time of 300 mA, 0.12 sec., and 95 kVp is used? Ans✓✓✓ A. 36
B. 2,800
C. 3,420
