Which of the following sets of technical factors will produce a radiograph with the highest radiographic contrast?

If the lead strips in a grid are 5.0 mm high, 0.5 mm thick, and separated by an interspace of 1.0 mm, what is the grid ratio?

A radiograph is made using 85 kVp at 5 mAs without a grid.  If another exposure is made with an 8:1 grid, what is the new mAs required to maintain radiographic density?

The first grid developed was a ____ grid and was made in the year ____.

An initial hip examination of a patient taken in the department using a 12:1 grid was exposed at 80 kVp and 30 mAs.  What new technique will be needed to maintain density if a portable hip radiograph is later needed using a 5:1 grid?

Which of the following terms describes the differential absorption of the x-ray beam due the different transmission and attenuation effects of the human body?

Stationary grids that may be placed directly to the front of a radiographic cassette are called:

A satisfactory radiograph is produced using 9 mAs at 65 kVp without a grid.  A second film is requested using a 10:1 grid.  What mAs is needed to produce the second radiograph?

If the x-ray tube is not aligned to the convergence line, what type of grid error may occur?

Which of the following will reduce the production of scatter radiation?