Coenzyme A (CoA) contains which of the following?

____________ are (is) conducted by visually examining the system for physical damage and determining operating condition

a. Testing b. Inspections c. Maintenance d. Preplanning

Graininess of a radiographic image results from:

a. large silver halide crystals. b. the addition of radiosensitive dyes. c. a decrease in film speed. d. film packets that contain two films.