What type of drugs are used on cystic fibrosis patients to thin out the sticky, viscous mucus?

When caring for a confused elderly patient, it is MOST important for the paramedic to:

A) request the presence of a family member. B) explain what he or she is doing at all times. C) recognize that this is normal in elderly people. D) avoid talking to the patient to minimize anxiety.

All of the following are true of optometrists EXCEPT they

A) provide primary care B) prescribe corrective lenses C) perform eye surgery D) manage macular degeneration