RAD 102 - Radiation Science exam 2 questions and
answers 2024 University of Nevada, Las Vegas
|COMPREHENSIVE FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED ANSWERS|GET IT A+
Which layer of the radiographic film contains crystals suspended in gelatin that serve as
the latent imaging centers? - ✔✔ANSW✔✔..Emulsion layer
Once chemically processed, what are the dark densities on the radiographic film? -
✔✔ANSW✔✔..Areas of exposed crystals converted to black metallic silver
What is the term generally used to describe the emission of light from a substance as a
result of stimulation by radiation? - ✔✔ANSW✔✔..Luminescence
What is the term specifically used to emit visible light during x-ray exposure with little or
no afterglow? - ✔✔ANSW✔✔..fluorescence
With film-screen imaging, what technique factors directly controls the density produced
on the image? - ✔✔ANSW✔✔..mAs
With film-screen imaging, when mAs is increased, density is ____; when mAs is
decreased, density is ____. - ✔✔ANSW✔✔..increased; decreased
When a film image is too light, it has ____ density, and would require a(n) ____ in mAs
by 2 on repeat to obtain a diagnostic image. - ✔✔ANSW✔✔..Insufficient; increase
With film-screen imaging, what is the minimum change in mAs that would result in a
visible change in radiographic density? - ✔✔ANSW✔✔..30%
If 20 mAs was used for all exposures, what kVp would produce the filmscreen image
with the greatest density? - ✔✔ANSW✔✔..100 kVp
What technical factors affects the exposure to the IR by altering the amount and
penetrating ability of the x-ray beam? - ✔✔ANSW✔✔..kVp
With film-screen imaging, what is the primary controller of image contrast? -
✔✔ANSW✔✔..kVp
answers 2024 University of Nevada, Las Vegas
|COMPREHENSIVE FREQUENTLY MOST TESTED
QUESTIONS AND VERIFIED ANSWERS|GET IT A+
Which layer of the radiographic film contains crystals suspended in gelatin that serve as
the latent imaging centers? - ✔✔ANSW✔✔..Emulsion layer
Once chemically processed, what are the dark densities on the radiographic film? -
✔✔ANSW✔✔..Areas of exposed crystals converted to black metallic silver
What is the term generally used to describe the emission of light from a substance as a
result of stimulation by radiation? - ✔✔ANSW✔✔..Luminescence
What is the term specifically used to emit visible light during x-ray exposure with little or
no afterglow? - ✔✔ANSW✔✔..fluorescence
With film-screen imaging, what technique factors directly controls the density produced
on the image? - ✔✔ANSW✔✔..mAs
With film-screen imaging, when mAs is increased, density is ____; when mAs is
decreased, density is ____. - ✔✔ANSW✔✔..increased; decreased
When a film image is too light, it has ____ density, and would require a(n) ____ in mAs
by 2 on repeat to obtain a diagnostic image. - ✔✔ANSW✔✔..Insufficient; increase
With film-screen imaging, what is the minimum change in mAs that would result in a
visible change in radiographic density? - ✔✔ANSW✔✔..30%
If 20 mAs was used for all exposures, what kVp would produce the filmscreen image
with the greatest density? - ✔✔ANSW✔✔..100 kVp
What technical factors affects the exposure to the IR by altering the amount and
penetrating ability of the x-ray beam? - ✔✔ANSW✔✔..kVp
With film-screen imaging, what is the primary controller of image contrast? -
✔✔ANSW✔✔..kVp
