MID-CURRICULAR HESI REVIEW KAHOOT QUESTIONS AND ANSWERS

MID-CURRICULAR HESI REVIEW KAHOOT
QUESTIONS AND ANSWERS



Low photon energy and high atomic number - ANSWER Combination of
photon energy & tissue atomic # provides maximum opportunity of PE effect
*Low photon energy and low atomic number
*Low photon energy and high atomic number
*High photon energy and low atomic number
*High photon energy and high atomic number

Step down voltage and step up current - ANSWER How does the filament
transformer of the x-ray machine modify the type of electrical power?
*Step up voltage and step down current
*Step down voltage and step down current
*Step up voltage and step up current
*Step down voltage and step up current

brightness - ANSWER Which image characteristic is modified when the
window level is adjusted on a digital image
*contrast
*brigtness
*spatial resolution
*temporal resolution

rectifier - ANSWER A device with low resistance to the current flowing in it in
one direction
*transformer
*rectifier
*anode
*anti-diode

, chemical, electrical and biological changes - ANSWER These three kinds of
changes can occur as a result consequent to photon interactions
*chemical, electrical and biological changes
*nuclear, electrical and biological changes
*chemical, electrical and regressive changes
*molecular, neurological and biological changes

Thompson
Rayleigh - ANSWER Two types of Coherent scattering
*Thompson
*Rayleigh
*Photoelectric
*Characteristic

photoelectric - ANSWER This explains the kind of interaction that occurs at
low energy levels (10-70kVp)
*Compton
*Characteristic
*Photoelectric
*Thompson

attenuation - ANSWER A partial transfer of energy to the medium through
which a photon passes is called
*attenuation
*phasing
*massing
*ionization

Compton - ANSWER What is this picture?
*Characteristic
*Compton
*Photoelectric
*Pair Production

linear, nonthreshold - ANSWER This is the dose response of diagnostic x-rays