____ paralysis, secondary to unwitnessed seizures, is another common condition that manifests with similar signs of a stroke.

The study of natural drug sources that has been expanded to include chemicals developed and used in laboratory research most correctly describes:

a. Pharmacology b. Pharmacodynamics c. Pharmacognosy d. Pharmacokinetics

Certification and/or licensure to expose dental radiographs:

a. is regulated by individual state laws, which may vary. b. is not required in all states if one has accredited training. c. may or may not be regulated by the dentist/employer. d. is required by law in all fifty states and the District of Columbia.