A ____ is a technique in which the rope is wrapped securely around the descent control device, thus allowing the hands to be free to assess the patient, render aid, use a radio, and so on.

A pediatric patient on high-flow oxygen therapy is being continuously monitored with a finger pulse oximetry probe. There are frequent and repeated false low SpO2 alarms (less than 90%). Which of the following should the respiratory therapist recommend in this situation?

A. Sedate the patient and restrain his arms. B. Reset the low alarm limit to the 80% to 85% range. C. Use a spot-check instead of continuous monitoring. D. Relocate the sensor to the forehead or ear lobe.

Your patient has a normal ECG reading. What does this finding tell you about the patient's like-lihood of having a myocardial infarction in the immediate future?

a. Less than a 10% chance b. Less than a 30% chance c. Less than 50% chance d. No predictive value