Artifact is a sign that the patient is in distress
Indicate whether the statement is true or false
FALSE
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Which of the following statements regarding acceptance testing of fire detection and alarm systems is MOST accurate?
A. Nonrestorable heat detectors should be tested during field inspections. B. Nonrestorable pneumatic detectors should be tested hydraulically. C. Half of the initiating devices should be tested to ensure they send an appropriate signal. D. Links on detectors with replaceable fusible links should be removed to see if contacts touch.
Why is it necessary to keep the patient's PaO2 greater than 60 mm Hg?
a. A level of 60 mm Hg marks the beginning of the steep part of O2Hb dissociation curve. b. Below the 60 mm Hg level, tissue hypoxia is ensured. c. Oxygen deprivation will cause severe cer-ebral vasoconstriction below 60 mm Hg. d. The PaCO2 will start to rise precipitously if the PaO2 falls further.
Which of the following is a disadvantage of fire retardant coatings?
A. Contractors may attempt to use them as inexpensive cures for fire-protection shortcomings. B. Fire retardant coatings deteriorate over time and become less capable of retarding fire. C. Coatings must be applied in thick layers and may not be effective if not thick enough. D. Fire retardant coatings are corrosive and only suitable for a limited number of surfaces.
Non-depolarizing neuromuscular blockers cause paralysis through blocking acetylcholine, through the same mechanism as succinylcholine.
Answer the following statement true (T) or false (F)