Which of the following accurately describes photopic vision?

Which of the following are true in regards to the cones of the eye? They are concentrated near the center of the retina They are sensitive to a wide range of wavelengths of light They are responsible for photopic vision They provide excellent spatial resolution

The photocathode is made of which of the following substances? Sulfide Antimony Cesium

Photoemission occurs in which component of the image intensifier?

Fluoroscopic units are typically described as “under-table” or “over-table” units. The units are named according to the location of the:

The input phosphor of the image intensifier is approximately _____ in diameter.

The image intensifier is a primary protective barrier and is required to be a minimum of:

Which of the following are types of video camera tubes? Vidicon CRT Plumbicon

Which of the following will decrease the amount of contrast produced in the image intensification tube? Scattered ionizing radiation produced in the patient Penumbral light scatter in the input and output screens Light scatter within the image intensification tube itself

The purpose of the bucky slot cover is to: Lower patient dose by eliminating low energy x-rays Protect the radiologist/technologist from scatter radiation Protect the patient from scatter radiation