please help with these questions?

please help with these questions?

1. the first item that should be included in any hazard communication program is
a. an inventory of all hazardous materials
b. a general overview of the OSHA guidelines
c. some cross-reference of the chemical components
d. directions on how to label hazardous products

2. the water’s projection radiographs are taken to find out the extent of an
a. embedded tooth
b. sinus condition
c. root canal problem
d. overlapping condition

3. causes of film fogging are
a. incorrect placement of film and processing that’s too long
b. secondary or scattered radiation exposure and outdated film
c. movement of the patient and weak developing solution
d. exposure of film to light during processing and solution splashed on the film before processing

4. the collimator and lead diaphragm are used to control the
a. penetrating power of the x-ray beam
b. size of the facial tissue are exposed to x-rays
c. production of Bremsstrahlung radiation
d. amount of radiation striking the facial tissue

5. the difference between black, white, and shades of gray on afilm is known as
a. dentisty
b, distortion
c. detail
d. contrast

6. the federal agency that’s primarily responsible for regulating toxic or biohazard waste taken from the office and disposed of in some manner is
a. OSHA
b. EPA
c. FDA
d. ADA

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