electron potential is measured in:

a material that allows electrons to move is:

alternating current is produced by:

in a parallel circuit:

in a series circuit:

like poles of a magnet _____ each other and opposite poles _____ each other.

ohm's law is mathematically described as:

the ability to do work because of a separation of charges is known as:

what is the difference between AC and DC

as more and more electrons build up in the area of the filament, their negative charges oppose the emission of additional electrons. This phenomenon is known as:

the autotransformer has _____ winding(s).

a single-phase waveform has _____ ripple

which timer is used to eompensate for differences in part thickness by terminating the exposure when ionization from the exposure reaches a certain level?

the incoming line current is supplied:

variations in power distribution to the x-ray machine are correct by the:

x-ray photon production occurs at the:

when a conductor has a smaller cross-sectional area:

a transformer with 100 turns on the primary side and 50 turns on the secondar:

the _____ converts volts to kilovolts.

the process of light being released from the phosphor because of stimulation by laser light is known as:

the portion of useful image-forming x-rays is referred to as the _____:

the range of exposures that produce acceptable information to be used in image formation is known as:

digital radiographic (DR) systems are divided into two classes:

a voxel is different than a pixel in that a voxel:

a common feature between indirect and direct DR technology is:

the volume of patient tissue that is represented by the individual hardware is called a:

the term used to describe the emission of light in all directions is

what is determined by measuring the distance from the center of one del to the center of an adjacent del?

during x-ray exposure of a CR image receptor, within its molecular structure the excited electrons get stuck in:

the charge created in the detector surface of a thin film transistor (TFT) array is collected in the _____.

the inverse square law describes the relationship between _____ and beam intensity.

the use of the line-focus principle causes a problem known as the _____ effect.

one HVL reduces the intensity of the x-ray beam to _____ of its original.

the efficiency of x-ray production increases as _____ increases

the primary controlling factor for beam quality is:

the total number of x-ray photons in a beam is referred to as the:

a discrete emission spectrum is a graphic representation of:

x-ray beam quality is improved by:

x-rays are produced by:

x-ray quantity increases in direct proportion to increases in:

the process of outer orbital electron absorbing energy from an incident electron causing it to jump up a level, but not ejecting from the atom is known as:

the higher the _____ of the target material used in the anode, the more efficient it is at 'capturing' projectile electrons with more x-rays produced

during the process of attenuation, the x-ray photon may interact with:

when an x-ray photon with a slightly greater energy than the binding energy of the inner-shell electron interacts with that inner-shell electron, the following interaction results:

which interaction has a significant impact on the x-ray image?

during a photoelectric interaction:

photoelectric interactions are more likely to occur in:

a primary protective barrier must extend upward from the floor to a height of at least _____.

pair production occurs when the incident photon interacts with:

the three cardinal principles of radiation protection involve:

when x-ray photons interact with matter and change direction, the process is called:

in which process is matter converted back to energy?

the energy imparted directly to electrons per unit mass of air defines the:

doses of radionuclides administered to patients for nuclear medicine procedures are measured in:

tissues that x-rays pass through easily are said to be _____.

when a single personnel monitoring device is worn, it should be worn at the _____ level and _____ the lead apron

binary code is a computer language based on:

RAM is _____

a small point within an image that has been assigned a particular gray shade or brightness:

for digital imaging, each frame displayed consists of a discrete number of rows and columns of picture elements called the:

in digital imaging, the limiting factor in spatial resolution is the:

the ability to distinguish between structures that attenuate the x-ray beam similarly is:

the range of exposures over which a detector can acquire image data is called:

the range of exposures that produce acceptable information to be used in image formation is called:

the process of shifting the values of the raw data in a histogram to match the average brightness and scale of contrast for the study performed is called:

the window level controls image:

the window width controls image:

the purpose of a look-up-table is to:

how much of an x-ray tube's incoming energy is converted into heat?

the process of electrons being emitted from heated metallic surfaces is:

which devices open a circuit to prevent damage from power surges or circuit overload?

a current of 4 amperes and a resistance of 20 ohms requires what voltage in a series circuit?