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ARRT exam pre
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Exam of 15 pages for the course System of Equations and Inequalities at System of Equations and Inequalities (ARRT exam pre)
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ARRT exam prep1 Gray is equal to - ANS-1 Joule per Kilogram
400 speed class requires? - ANS-50 % less radiation them a 200 speed clap.
A characteristic curve demonstrated the relationship between which of the following? -
ANS-Brightness and exposure
A chromosome that has been damaged by radiation my cause which of the following? -
ANS-A mutation, cell death, and a mutation
A coil of wire rotating through a magnetic field produces an electrical current. What does
this describe? - ANS-Generator
A device in which electrical resistors may be variable is called? - ANS-Rheostat
A high frequency generator is operatied at 100 Kv, 100 ms at 800 mAs. What is the
power rating? - ANS-80 kW
A non-grid exposure requires, 15 mAs. How much mAs is needed for a 5:1 ratio grid is
used for - ANS-30 mAs 5:1 2X more
A patient temperature taken orally is normally? - ANS-1 degree higher
A radiographic grid should be used whenever kVp exceeds which of the following? -
ANS-60 kVp
A technique of 400 mA, .25 seconds non-grid could be converted to a technique of 200
mA, with 8:1 grid and how many seconds? - ANS-2.0 seconds
A very high creatine level is a? - ANS-Contraindication for an IVU
A written page or a spoken word are examples of what? - ANS-Channel
According to Ohms law, what would the voltage be if the resistance is 2 Ohm and the
current is 4 ampere? - ANS-8
, According to the CDC, an infection that a patient acquires while in the hospital is known
as what? - ANS-Healthcare associated infection
Accurate centering of the central ray is critical for which type of grid? - ANS-focued
AEC was used for an erect abdomen but the SID was left at 72 inches instead of
moving it to 40 inches, the image will be properly... - ANS-Properly exposed
After the values of interest have been determined from the histogram, which of the
following is used to readjust those numbers to produce the proper contrast? - ANS-Look
up tables.
An abnormal connection between two surfaces is known as what? - ANS-Fistula
An adverse reaction to contrast media that is not immediately life threatening but often
requires treatment is? - ANS-Moderate
An insufficient amount of mAs will produce a digital image with? - ANS-Quantum noise
An NG tube passes from ? - ANS-Nose to stomach
Another word for fainting - ANS-Syncope
Automatic exposure rate control (AERC) is designed to compensate for change in which
of the following? - ANS-patient positioning
Centesis - ANS-surgical procedure to draw out fluid
Chemical substances that are capable of killing all microorganisms are called what? -
ANS-Disinfectants
Compensating filters are what? - ANS-Used to compensate for differences in part
thickness by being thicker at one end over the other.
Contrast resolution is a major advantage of digital imaging what determines high
contrast resolution in digital image? - ANS-High exposure and low noise
Demerol is what type of drug? - ANS-Analgesic
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