The trade name of timolol is:

Which of the following choices is considered a nonphysician practitioner?

a. A nurse practitioner b. A mid level practitioner c. A clinical nurse specialist d. All of the above

While observing a patient's breathing, you note that the depth and rate first increase, then de-crease, followed by a period of apnea. Which of the following are potential causes of this abnor-mality?

1. Central nervous system disorder 2. Congestive heart failure 3. Metabolic acidosis a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3