Which one of these factors determines the quality of the beam?
When the distance between the x-ray source and the point of…
When the distance between the x-ray source and the point of measurement increases, the beam energy will:
All filtration can be expressed in terms of the thickness of
All filtration can be expressed in terms of the thickness of
The source of x-ray emission within an x-ray tube is called…
The source of x-ray emission within an x-ray tube is called the:
Which combination of variables will result in a radiograph w…
Which combination of variables will result in a radiograph with the highest contrast?
If an initial exposure is made using 800 mA, 0.02 sec, 16 mA…
If an initial exposure is made using 800 mA, 0.02 sec, 16 mAs, 70 kVp, 58” SID, 4 “ OID, 5:1 grid ratio, 0.2 mm focal spot and 3.0 mm of filtration, with a 14 x 17 in field size, and the technologist changes the mAs to 5 for a second exposure without changing any other factors, what differences would you expect to see in the second exposure?1) Increased IR exposure2) Decreased IR exposure3) Increased contrast4) Decreased contrast5) Increased spatial resolution6) Decreased spatial resolution7) Increased distortion8) Decreased distortion
_________ is defined as the ability to image two separate ob…
_________ is defined as the ability to image two separate objects and visually detect one from the other.
To ensure an acceptable amount of unsharpness during macro-r…
To ensure an acceptable amount of unsharpness during macro-radiograpic or mammographic studies, a/an ______________ should be employed.
The automatic collimator:
The automatic collimator:
Which of the following projections would result in foreshort…
Which of the following projections would result in foreshortening of the anatomy being imaged?