How would you classify a patient who, without notifying the office, fails to come to their appointment?

Radioactive material that is attached to or associated with dust particles or in liquid form on var-ious surfaces defines the term

a. radioactive contamination. b. radioactive dispersal device. c. radioactive fallout. d. radioactive syndrome.

Of all the ways to label a study design, the least common, and least useful is based on the timeframe of the study.

Answer the following statement true (T) or false (F)