100% Correct Detailed Answers
Guaranteed Pass!!
1. What does the bremsstrahlung effect generate?
a. X rays
b. Beta particles
c. Alpha particles
d. X rays and heat - ANSWER X rays and heat
2. The filament of an X ray tube is energized by electrical current. The
difference in electrical potential draws the free electrons to the
______________. As they strike at such high speed, X-rays are produced by
the bremsstrahlung process.
a. Focusing cup
b. Target
c. Anode
d. Filament - ANSWER Target
3. High speed electrons striking a target produce primarily what?
a. Gamma radiation
b. X radiation
c. Heat
d. Alpha and beta particles - ANSWER Heat
4. X ray machines work on the principle of bremsstrahlung or braking. Which
component is not required to produce this effect?
, a. Source of electrons
b. Target
c. Energy
d. Focusing cup - ANSWER Focusing cup
5. A control panel in an X ray system, must have clearly visible which of the
following statements?
a. Caution: Ionizing radiation emitted when energized
b. Caution: Dangerous radiation emitted when energized
c. Caution: X rays produced when energized
d. Danger: Radiation producing device - ANSWER Caution: X rays
produced when energized
6. What components are required to produce X rays?
a. Cathode, anode and electricity
b. Power source, free electrons and a target
c. Focusing cup, current and an exit port
d. Vacuum envelope, filament and target - ANSWER Power source,
free electrons and a target
7. The output equivalent to curies with an X-ray tube is controlled by the:
a. Power switch
b. Voltage rheostat
c. Amperage rheostat
d. On/Off control - ANSWER Amperage rheostat
8. Electrons are produced by which component of an X ray tube?
a. Anode
b. Cathode and filament
, c. Control panel
d. Voltage rheostat - ANSWER Cathode and filament
9. Applied voltage in an x ray tube has a direct bearing on producing more or
less:
a. Penetration
b. Radiation
c. Electrons
d. Heat - ANSWER Penetration
10.Applied amperage across the filament in an X-ray tube has a direct bearing
on producing more or less:
a. Radiation
b. Protons
c. Inherent shielding required
d. Penetration - ANSWER Radiation
11.An X-ray cabinet must comply with unrestricted area requirements. The
maximum amount of radiation emitted from the cabinet at 1.97 in. shall not
exceed:
a. 1 mR/hr
b. 2 mR/hr
c. 5 mR/hr
d. 0.5 mR/hr - ANSWER 0.5 mR/hr
12.X ray systems are required to have two visible indicators to show when X
rays are produced. One indicator may be the milliampmeter, the other a red
light. This light must be labeled:
a. X ray On
, b. On
c. On/Off
d. Power On - ANSWER X ray On
13.While in a field setting, radiography is conducted using a 300kV X-ray
system. What minimum boundaries must be set?
a. High radiation and radiation areas
b. Very high radiation, high radiation and radiation areas
c. Restricted, radiation and high radiation areas
d. Restricted area - ANSWER High radiation and radiation areas
14.At the completion of an X ray exposure and turning the system to standby:
(Answer with A, B, C, or D)
a. You must wait for 60 seconds before approaching the tube head
b. You should approach the rear of the tube head observing the meter
constantly
c. You may approach the tube head immediately without fear of
exposure
d. You must survey the tube assembly 360 degrees - ANSWER C
15.Typically the exposure's duration is controlled by:
a. Manually pressing the start/stop switches
b. Automatically via an integrated timer
c. Automatically via the voltage rheostat
d. Automatically via the amperage rheostat - ANSWER
Automatically via an integrated timer