Veterinary Radiography Ch 9
Ch. 9: Developing a Technique Chart radiography in veterinary technology (4th ed. ) - Lisa M Lavin
- 1.When taking a test radiograph, the following requirements should be met:
- A.
Medium-speed film, 75-lb dog in a ventrodorsal position
- B.
Medium-speed film, 50-lb dog in a dorsoventral position
- C.
Medium-speed film, 50-lb dog in a lateral position
- D.
Fast-speed film, 25-lb dog in a lateral position
- 2.According to the author, when developing a variable kVp technique chart, kilovoltage should be increased or decreased by increments of _______ for each centimeter measurement.
- A.
4
- B.
2.5
- C.
2
- D.
10
- 3.Which of the following variable kVp technique charts is recommended for a small-animal practice?
- A.
Canine/feline thorax, with grid
- B.
Avian/exotic, no grid
- C.
Canine/feline extremity and skull, no grid
- D.
Canine/feline abdomen, with grid
- E.
All of the above, as well as canine/feline pelvis and spine, with grid
- 4.Which of the following conditions may require decreasing the mAs to account for increased radiographic density?
- A.
Neonatal animals
- B.
Ascites
- C.
Pleural effusion
- D.
Plaster casts
- 5.If a radiograph is too light after taking a view of the lateral abdomen, what change may be recommnded?
- A.
Decrease kVp 10% to 15%
- B.
Increase mAs 30% to 50%
- C.
Increae kVp 30% to 50%
- D.
Decrease mAs 30% to 50%
- 6.Compared with teh abdomen, how much mAs does a quality view of the pelvis require?
- A.
50% to 75% less
- B.
30% to 50% less
- C.
30% to 50% more
- D.
50% to 75% more
- 7.A grid with a ratio of 12:1 will be used with the machine at your clinic. How does this affect the generation of your variable kVp chart?
- A.
Need to add 5 to 10 to the sum of Santes' rule
- B.
Need to subtract 10 to 15 from the sum of Santes' rule
- C.
Need to add 10 to 15 to the sum of Santes' rule
- D.
Need to add 8 to 12 to the sum of Santes' rule
- 8.Your clinic has a 100-megaperage/100-kVp-capacity machine with an 8:1 grid. You measure a ventrodorsal abdomen on a dog to be 22 inches. Which settings will you set first?
- A.
92 kVp, 100mA, 1/12 sec, 8.3 mA
- B.
90 kVp, 100 mA, 1/12 sec, 8.3 mA
- C.
92 kVp, 100 mA, 1/4 sec, 8.3 mA
- D.
92 kVp, 300 mA. 1/12 sec, 8.3 mA
- 9.Using Santes' rule, calculate kVp with the following information: Tissure thickness = 11cm Grid factor = 12 SID = 40 inches
- A.
72
- B.
74
- C.
76
- D.
63
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