Pulse oximetry uses _______ technology to assess the oxygen saturation of hemoglobin in the peripheral tissues
A) ultraviolet
B) X-ray
C) infrared
D) ultrasound
Answer: C
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A home care patient on transtracheal O2 therapy at 0.5 L/min frantically calls you, unable to rein-sert the catheter after cleaning. What would you recommend?
a. Use a clean, pointed instrument to guide catheter reinsertion. b. Put on a nasal cannula at 1 L/min and call the physician. c. Insert the catheter into the nasal cavity approximately 3 to 4 in. d. Insert the catheter into the oral cavity.
Matter can be found in one of three physical states: solid, ____, or gas.
A. liquid B. plasma C. crystal D. condensate
Which relates to the American cultural value of freedom?
A) Americans expect to be comfortable. B) Americans resent any limitation on their right to smoke or drink. C) Americans expect technology to change rapidly. D) Even when not at work, Americans expect people to be "busy."
Which type of assistive device provides maximum assistance with balance and coordination, as well as stability and support, when the patient is standing or walking?
a. Walkers b. Canes c. Quad canes d. Crutches