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Physics
Patient Safety
Image quality
Physics too
More Image Quality
100
Which of the following may also be used to refer to the orbital shells of an atom
What is Energy levels
100
What is the first step to reduce patient motion
What is communication
100
following are the prime factors of exposure in radiography
What is Milliamperage, exposure time, kilovoltage, and distance (SID)
100
What is the unit of resistance
What is ohm
100
Generalized unwanted exposure on the image is called
What is fog
200
The frequency of a sine wave is measured by the
What is number of times per second that a crest passes a given point.
200
In radiography, patient dose is usually calculated
What is at the skin
200
The distance between the tube target and the IR is termed:
What is source-image distance (SID).
200
A device used to measure the current flowing in a series circuit is a(n
What is ammeter.
200
Another name for size distortion is
What is magnification
300
X-rays consist of
What is electromagnetic energy.
300
What is the conventional (British system) radiation unit to express radiation intensity in air
What is Roentgen
300
The relationship between SID and beam intensity is expressed in the:
What is . inverse square law.
300
What type of device is used to measure the difference in electrical potential between two points in a parallel circuit?
What is Voltmeter
300
The distance between the subject or part and the IR is referred to as
What is object-image distance (OID
400
The penetrating power of an x-ray beam is determined by its energy as expressed in its
What is wavelength
400
What should be done for a patient in the supine position who complains of being short of breath while lying down
What is Place the patient in a Fowler position
400
The mass density of the radiographic subject is referred to as
What is tissue density.
400
What is direct current?
What is Current that flows in only one direction
400
Which quality factor is a key to visibility of detail
What is Contrast
500
What is resistance in regard to an electrical circuit
What is Any property of the circuit that opposes or hinders the flow of current
500
When infection is spread by means of contaminated dust that contains endospores or droplet nuclei, the means of transmission is called
What is Airborne contamination
500
The inverse square law states that the intensity of the x-ray beam is ______ to the square of the distance.
What is inversely proportional
500
The frequency of alternating current delivered by electrical utilities in the United States and Canada is
What is 60 Hz.
500
What is the effect of magnification on recorded detail
What is Magnification decreases recorded detail