When monitoring a patient receiving oxygen through a nasal cannula, which of the following observations warrants immediate intervention?
a. An oxygen flow rate of 15 LPM
b. Prongs in the nostrils that curve posteriorly into the nose
c. Tubing that is positioned over the ears and under the chin
d. Normal patient breathing while the nasal cannula is in place
Answer: a
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1. In Daubert v. Merrell Dow Pharmaceuticals (1993), the court ruled the expert testimony presented was not only relevant but also reliable, and it was the responsibility of the "gatekeeper" or judge to allow entry into the evidence presented. 2. Fire is a chemical reaction that produces chemical effects. 3. Under normal conditions, all matter is composed of elements or combinations of elements called compounds. 4. All elements are composed of very small units called neutrons. 5. The atom is the smallest unit of an element that takes part in a chemical reaction.
In which of the following methods of sterilization does moisture cause coagulation of proteins within microorganisms at a much lower temperature than is possible with dry heat?
A. Microwave processing B. Gas processing C. Autoclaving D. Chemical processing E. Ultrasonic processing
A dose of antacid is one tablespoon. How many doses may be prepared from a 1-pint bottle? Use a proportion to solve
18 doses 26 doses 32 doses 45 doses
Which of the following appears more radiopaque?
cementum pulp bone amalgam