Which type of grid has lead strips placed horizontally and longitudinally?

A radiograph is taken with a 400 RS screen using 2.5 mAs at 70 kVp.  If a 100 RS system was substituted, what new mAs would be used to maintain a similar radiographic density?

Approximately 2% of the silver halide crystals in the emulsion are composed of which two (2) ions?

As x-ray energy ____, radiographic contrast ____.

Which of the following contrast agents are classified as radiopaque?

Nathalie et Inès préparent un pique-nique.

Anaïs est au café. Le serveur arrive.

In performing a safelight fog test, the difference in the optical density between the covered and uncovered sides of the radiographic film should be:

Refer to the following illustration of an intensifying screen. Which layer is represented by Number 2? intensifying screen labeled(1).jpg

Compared to a low ratio grid, a high ratio grid will: Require lower technical factors Absorb more scattered radiation Allow more centering latitude