When drying a rope, firefighters should avoid:
A. suspending rope in a hose tower.
B. drying rope in the direct sunlight.
C. loosely coiling rope in a hose dryer.
D. spreading out rope on hose drying rack.
B
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When a patient's heart stops pumping blood, the patient is:
A. placed on a long spine board. B. alert and responsive. C. in cardiac arrest. D. deceased.
4 oz = ________ mL
A) 30 B) 60 C) 90 D) 120
How does the Clark polarographic O2 electrode function?
a. It measures the magnetic properties of O2 versus N2. b. It measures the electrical potential across a Wheatstone bridge. c. It uses O2 to produce a reduc-tion-oxidation reaction. d. It measures the comparative cooling effect on a heated wire.
A mechanically ventilated patient becomes severely hypoxemic every time the therapist disconnects her from the ventilator for purpose of performing suctioning. What can the therapist do to avoid this situation?
A. Attach a closed-circuit suction catheter system to the patient's breathing circuit. B. Hyperoxygenate the patient with an Fio2 of 1.0 before the suctioning procedure. C. Limit the suction procedure to less than 10 seconds. D. Reduce the vacuum pressure used during the suctioning procedure.