If SID is reduced by one half, what must be done to the mAs to maintain a constant receptor exposure?

Which portion of the image intensifier coverts light to electrons?

Which of the following is the first step to be taken in the performance of a radiographic exam ? 

The absorption of the useful beam by a grid is called:

The post processing technique improves the visibility of small, high contrast structures:

Which of the following are components of the alimentary canal?1.   Mouth and pharynx2.   Stomach and intestine3.   Liver and pancreas

If irradiation occurs before organogenesis and if the radiation dose is sufficient what  anomalies could occur? 

The second largest tarsal bone, and the one that occupies the most superior position in the foot, is the:

What is a type of venous catheter that is established to make a vein available for medications that have to be administered at frequent intervals ?

The ability of an image receptor to distinguish between objects with similar subject contrast is: