ASRT CALIFORNIA SUPERVISOR AND OPERATOR FINAL EXAM || COMPLETE
QUESTIONS WITH 100% RATED EXPERT SOLUTIONS |2026 LATEST UPDATED
1. The _____ sinuses sit directly beneath the sella turcica: sphenoidal
2. When performing venipuncture, the technologist should stabilize the vein before inserting a needle for intravenous
during injection to: prevent the vein from rolling before injection
3. A backup timer for the automatic exposure control (AEC) serves to: terminate the exposure in the event of equipment
or operator error
4. Which of the following technical factor simultaneously affects overall image quality and radiation quantity while
producing the x-ray beam?: kVp
5. Some X-ray tubes used the focusing cup as an electronic grid that can turn the current on and off rapidly, allowing
for very short and precise exposure times such as those needed for rapid serial exposure. These X-ray tubes are
referred to as:: grid-controlled tubes
6. Which of the following is an example of a primary barrier?: exposure room door
7. The ___ sphincter prevents reflux of stomach contacts into the esophagus.-
: cardiac
8. According to the NCRP, the annual occupational dose equivalent limit for the extremities and skin is:: 500 mSv
9. Which of the following statements is TRUE regarding standard precautions
for venipuncture: all patients are potentially infected with bloodborne pathogens
10. An image that has many shades of gray with few differences among them is defined as exhibiting: low contrast
11. The vital sign that most accurately indicates the condition of shock is the: blood pressure
12. All of the following affect spatial resolution of an image EXCEPT for: kVp
,13. The primary function of filtration is to reduce: patient skin dose
14. Place the following exposure factors from highest to lowest spatial resolution.
1. 10 mAs 90 kVp 182 cm (72") SID 8:1 grid 0.5 inch OID 0.3 mm focal spot
2. 15 mAs 84 kVp 154 cm (60") SID 6:1 grid 1.0 inch OID 0.6 mm focal spot
3. 25 mAs 100 kVp 102 cm (40") SID 6:1 grid 1.0 inch OID 1.0 mm focal spot
4. 33 mAs 110 kVp 92 cm (36") SID 8:1 1.5 inch OID 1.0 mm focal spot: 1, 2, 3, 4
15. The specific purpose of a contrast medium is to: help distinguish differences between anatomic tissues
16. Which of the following skull positions will demonstrate the cranial base, sphenoidal sinuses, atlas, and odontoid
process: submentovertical (SMV)
17. According to the American College of Radiology, which of the following are indications for obtaining a skeletal
survey
1. Suspected non accidental trauma
2. Skeletal dysplasia, syndromes, and metabolic disorders: 1, 2, and 3
18. Using a 75 kVp x-ray beam with a 0.25 mm lead-equivalent apron provides protection from ___ of the beam:
66%
19. The 3 projections taken for a long-bone measurement (scanography) of the lower extremity include: AP hip, AP
knee, and AP ankle
20. The ______ grid design is manufactured to match the divergence of the x-ray beam: focused
21. With digital imaging, the ___ receives electrons immediately after they are read out from an imaging detector:
analog-to-digital converter
22. The outer portion of the double-walled sac in the abdominal cavity is called the:: parietal peritoneum
23. Which of the following is NOT true concerning operator consoles: consoles are supplied with high voltage
, 24. For a posteroanterior (PA) axial oblique projection of the C-spine, the central ray is angled ___ degrees in the
___ direction.: 15-20; caudad
25. Children have epiphyseal plates made of ____ that can be evaluated as part of normal chronologic age for bone
age analysis: hyaline cartilage
26. Radiographers can decrease patient dose by using all of the following
EXCEPT: increased grid ratio
27. An acceptable PA chest exam is taken using 300 mA, 0.0008 seconds, and 110 kVp. If this examination is
repeated using an AEC that has a minimum response time of 10 ms, which of the following exposure factors would
be appropriate?: 200 mA, 0.017 seconds, 110 kVp
28. Which of the following is the BEST projection for demonstrating the intervertebral foramina of the T-spine:
lateral
29 Which are the appropriate methods to ensure the correct drug is administered to the patient?
1. Confirm the correct medication
2. Check the label at least 3 times
3. Documenting the route of administration: 1 and 2
30. When positioning a patient for an AP projection (open-mouth technique) for C1-C2, the ________ plane/lines
should be perpendicular to the image receptor.: occlusal
31. All of the following EXCEPT ________ will result in an increase in AEC response time.: increasing the focal
spot size
32. Primary radiation barriers must be AT LEAST ______ feet high.: 7
33. If the center cell is selected for an anteroposterior (AP) lumbar spine, the MOST likely response of the automatic
exposure control (AEC) if the spine is not over the ion chamber is that:: exposure time will decrease
QUESTIONS WITH 100% RATED EXPERT SOLUTIONS |2026 LATEST UPDATED
1. The _____ sinuses sit directly beneath the sella turcica: sphenoidal
2. When performing venipuncture, the technologist should stabilize the vein before inserting a needle for intravenous
during injection to: prevent the vein from rolling before injection
3. A backup timer for the automatic exposure control (AEC) serves to: terminate the exposure in the event of equipment
or operator error
4. Which of the following technical factor simultaneously affects overall image quality and radiation quantity while
producing the x-ray beam?: kVp
5. Some X-ray tubes used the focusing cup as an electronic grid that can turn the current on and off rapidly, allowing
for very short and precise exposure times such as those needed for rapid serial exposure. These X-ray tubes are
referred to as:: grid-controlled tubes
6. Which of the following is an example of a primary barrier?: exposure room door
7. The ___ sphincter prevents reflux of stomach contacts into the esophagus.-
: cardiac
8. According to the NCRP, the annual occupational dose equivalent limit for the extremities and skin is:: 500 mSv
9. Which of the following statements is TRUE regarding standard precautions
for venipuncture: all patients are potentially infected with bloodborne pathogens
10. An image that has many shades of gray with few differences among them is defined as exhibiting: low contrast
11. The vital sign that most accurately indicates the condition of shock is the: blood pressure
12. All of the following affect spatial resolution of an image EXCEPT for: kVp
,13. The primary function of filtration is to reduce: patient skin dose
14. Place the following exposure factors from highest to lowest spatial resolution.
1. 10 mAs 90 kVp 182 cm (72") SID 8:1 grid 0.5 inch OID 0.3 mm focal spot
2. 15 mAs 84 kVp 154 cm (60") SID 6:1 grid 1.0 inch OID 0.6 mm focal spot
3. 25 mAs 100 kVp 102 cm (40") SID 6:1 grid 1.0 inch OID 1.0 mm focal spot
4. 33 mAs 110 kVp 92 cm (36") SID 8:1 1.5 inch OID 1.0 mm focal spot: 1, 2, 3, 4
15. The specific purpose of a contrast medium is to: help distinguish differences between anatomic tissues
16. Which of the following skull positions will demonstrate the cranial base, sphenoidal sinuses, atlas, and odontoid
process: submentovertical (SMV)
17. According to the American College of Radiology, which of the following are indications for obtaining a skeletal
survey
1. Suspected non accidental trauma
2. Skeletal dysplasia, syndromes, and metabolic disorders: 1, 2, and 3
18. Using a 75 kVp x-ray beam with a 0.25 mm lead-equivalent apron provides protection from ___ of the beam:
66%
19. The 3 projections taken for a long-bone measurement (scanography) of the lower extremity include: AP hip, AP
knee, and AP ankle
20. The ______ grid design is manufactured to match the divergence of the x-ray beam: focused
21. With digital imaging, the ___ receives electrons immediately after they are read out from an imaging detector:
analog-to-digital converter
22. The outer portion of the double-walled sac in the abdominal cavity is called the:: parietal peritoneum
23. Which of the following is NOT true concerning operator consoles: consoles are supplied with high voltage
, 24. For a posteroanterior (PA) axial oblique projection of the C-spine, the central ray is angled ___ degrees in the
___ direction.: 15-20; caudad
25. Children have epiphyseal plates made of ____ that can be evaluated as part of normal chronologic age for bone
age analysis: hyaline cartilage
26. Radiographers can decrease patient dose by using all of the following
EXCEPT: increased grid ratio
27. An acceptable PA chest exam is taken using 300 mA, 0.0008 seconds, and 110 kVp. If this examination is
repeated using an AEC that has a minimum response time of 10 ms, which of the following exposure factors would
be appropriate?: 200 mA, 0.017 seconds, 110 kVp
28. Which of the following is the BEST projection for demonstrating the intervertebral foramina of the T-spine:
lateral
29 Which are the appropriate methods to ensure the correct drug is administered to the patient?
1. Confirm the correct medication
2. Check the label at least 3 times
3. Documenting the route of administration: 1 and 2
30. When positioning a patient for an AP projection (open-mouth technique) for C1-C2, the ________ plane/lines
should be perpendicular to the image receptor.: occlusal
31. All of the following EXCEPT ________ will result in an increase in AEC response time.: increasing the focal
spot size
32. Primary radiation barriers must be AT LEAST ______ feet high.: 7
33. If the center cell is selected for an anteroposterior (AP) lumbar spine, the MOST likely response of the automatic
exposure control (AEC) if the spine is not over the ion chamber is that:: exposure time will decrease
