Questions and Correct Answers, 100% Correct|
2024/2025.
What is the term used for the photon stream upon leaving the tube prior to entering the patient?
Primary radiation
Which of the following is not a way the tube may be moved?
inverted
What does mA stand for?
milliampere
What does kVp stand for?
Kilovoltage potential
The quantity of the x- ray beam is controlled by:
current
Which of the following electromagnetic energies ionize matter?
gamma
Amplitude of a sine wave is measured by:
crest to trough
In a sine wave, the name given to the distance from one crest of the wave to another crest is the:
wavelength
In the US and Canada, public utilities deliver electrical current at what frequency?
60 cycles or 60 Hertz per second
True or False: The binding energy increases as the electrons move farther from the nucleus.
False
What is the term used for the tube feature that turns on the light for the lock release buttons?
detent
What is the chemical symbol for tungsten?
W
, Why is tungsten an important element for x- ray production?
high melting point
Which side of the x- ray tube is negative?
Cathode
Which of the following cannot be found on the cathode side of the x- ray tube?
target
True or false: X- Rays have both electric and magnetic properties.
True
How fast do x- rays travel?
speed of light
186,000 miles/ second
As wavelength increases, frequency __________________.
decreases
What technical factor can adjust the current?
mA
What technical factor controls the potential difference?
kVp
Which of the following allows for a continuous path for flow of electric charges?
circuit
What is the term used for converting alternating current to direct current?
rectification
What is the name of the circuit connected to the power supply?
primary circuit
True or False: Current always flows from secondary to primary coils.
False
More windings on a primary coil than secondary coil is known as what type of transformer?
step- down transformer
Which transformer is used to increase volts to kilovolts?
step- up transformer