An infant requires both a precise high FiO2 and maintenance of a neutral thermal environment. Which of the following systems can best achieve these goals?
1. Oxy-Hood or warmed O2 blending system without incubator
2. Heated incubator with automatic O2 controlling system
3. Heated incubator with Oxy-Hood or O2 blending system
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2, and 3
ANS: A
Given the highly variable O2 concentration provided by these devices, the best way to control O2 delivery to infants in an incubator is with an Oxy-Hood. The Oxy-Hood is placed over the in-fant's head inside the incubator. The O2 concentration and gas temperature within the Oxy-Hood, not in the incubator, must be assessed. It is ideal to monitor incubator or Oxy-Hood O2 concentration continuously.
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a. cause muscles to fasciculate and remain in a refractory state. b. bind to acetylcholine receptors and cause a sustained postsynaptic membrane depolarization. c. produce paralysis and muscle weakness by competing with acetylcholine for binding at the acetylcholine receptors. d. all of the above are correct.
If you must deviate from your protocols because of unusual circumstances, you should FIRST:
A) advise the patient. B) document the event. C) notify medical control. D) apprise the receiving hospital.