RQ 3-6 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Which type of x-ray production is dependent on the k-shell electron binding energy? -
CORRECT ANSWER - Characteristic
What term is used to describe the boiling off of electrons from the filament when current is
applied? - CORRECT ANSWER - thermionic emission
When filtration is added to an x-ray beam _______________ increases. - CORRECT
ANSWER - radiation quality
Which of the following has the greatest effect on x-ray quantity? - CORRECT ANSWER -
mAs
Which process accounts for a majority of the x-ray production in diagnostic ranges? -
CORRECT ANSWER - Bremsstrahlung
Which primary exposure factor influences both the quantity and the quality of the x-ray beam? -
CORRECT ANSWER - mA
This was a wrong answer..
The radiographer can use the anode-heel effect to their advantage by placing the _____ part of
the patient towards the _________. - CORRECT ANSWER - thickest to the cathode
X-rays that are produced from any area other than the focal spot are known as ________
radiation. - CORRECT ANSWER - off-focus
, To produce any characteristic radiation, the kVp must be set to at least _______ kVp. -
CORRECT ANSWER - 69.5
Which type of electron interaction is responsible for the heterogeneity of the x-ray beam? -
CORRECT ANSWER - Bremsstrahlung
The unit used to measure the tube current is _____________, which is associated with quantity
of x-rays produced. - CORRECT ANSWER - mA
The phenomenon that makes the effective focal spot appear smaller than the actual focal spot
because of the target angle is known as the ________________. - CORRECT ANSWER -
line-focus principle
X-rays that escape through the protective housing are termed _______ radiation. - CORRECT
ANSWER - leakage
Which orbital electron shell has the strongest binding energy and is the most useful in x-ray
production? - CORRECT ANSWER - K shell
Filtration resulting from aluminum plates placed between the tube housing and the collimator is
known as ___________. - CORRECT ANSWER - compensating
This is the filtration between the collimator and the patient.
I'm pretty sure the answer is inherent
Electrons are "boiled" off what portion of the x-ray tube? - CORRECT ANSWER -
filament