SOLUTIONS TO EXERCISES, LESSON 4
1. Wisconsin x-ray test cassette
two small lead sheets
densitometer (para 4-2a, b, c)
2.
Perform a line check.
Place the long axis of the test cassette parallel to the cathode-anode axis of the
x-ray tube.
Place the lead sheets on the cassette leaving the 60 kVp region exposed.
Center the 60 kVp region under the x-ray tube.
Collimate the x-ray beam to the 60 kVp region. (para 4-3a, b, c, d, e)
3.
Right column (para 4-4a(2))
4.
Three (para 4-5)
5.
Perform the kVp test (para 4-5)
6.
Extension cord
10- by 12-inch cassette
Lead numbers (para 4-8d, e, f)
7.
The unleaded portion (para 4-9d)
8.
Use four different times and mA.
50 mA at 1/5 second
100 mA at 1/10 second
200 mA at 1/20 second
300 mA at 1/30 second (Para 4-9g(2))
9.
b (para 4-10 2nd NOTE)
10.
Ten (para 4-10e(1))
11.
12.
10 by 12 (para 4-14b)
13.
Facing (para 4-15c)
14.
Take more measurements para 4-16, NOTE)
15.
Replace the x-ray tube (para 4-18)
MD0062
4-46