Which of the following can cause particular difficulties when applying spinal motion restriction to an elderly patient?

The Standards for Protection against Radiation and Ionizing Radiation apply to healthcare settings that:

a. use x-rays and cancer treatments. c. conduct clinical laboratory testing. b. use carcinogenic chemicals. d. All of the above require these standards.

If a tablet contains 225 milligrams of a drug, how many tablets equal 1800 milligrams?

What will be an ideal response?