________ is used to separate whole blood samples into separate layers to measure patient hematocrit

Which of the following patients would be tagged "red" using the START system?

A) A 43-year-old who has a RR of 28, a radial pulse, and deep facial and torso lacerations and who is screaming to get her to the hospital B) A 6-year-old displaying no respirations with manual airway techniques and a weak carotid pulse C) A 30-year-old with respirations of 24 and a radial pulse but who cannot follow commands D) A 16-year-old with a patent airway after body and airway repositioning and a radial pulse

A patient has been supported by a mechanical ventilator using a heat and moisture exchanger for the last 3 days. Suctioning reveals an increase in the amount and tenacity of secretions. Which of the following actions is indicated?

a. Increase the hygroscopic condenser hu-midifier temperature. b. Reassess the patient's secretions over the next 24 to 48 hr. c. Replace the hygroscopic condenser hu-midifier with a new one. d. Switch the patient to a large-volume heated humidifier.