________ is the most effective practice for preventing the spread of microorganisms in a health care facility or at home

As you approach a patient who was involved in a motor vehicle crash, you note that he has dark, oozing blood coming from an open fracture to his lower left tibia. The patient was removed from the car by bystanders and is being held by a family member. Which of the following should you do immediately?

A) Assess and open the airway. B) Take manual in-line spinal stabilization. C) Apply direct pressure to the bleeding. D) Provide supplemental oxygen.

Which of the following departments monitors any drug usage and the therapeutic levels of medication prescribed to patients?

a. Toxicology b. DNA c. Serology d. Clinical chemistry