________—This program uses independent contractors to identify improper Medicare payments to healthcare providers and suppliers

While attempting to draw blood from an indwelling arterial catheter, the respiratory therapist no-tices a dampened waveform and has difficulty withdrawing blood for sampling. What should the respiratory therapist's immediate action be?

a. Flush the catheter. b. Remove the catheter. c. Reposition the catheter. d. Recalibrate the transducer.

An ophthalmoscope:

A) measures blood pressure. B) is used to examine the ear. C) measures temperature. D) is used to examine the eyes.