To dissipate heat, zinc phosphate must be mixed with what?
frozen mixing pad
cooled glass slab
waxed paper pad
cooled mixing spatula
cooled glass slab
Rationale: Cooled glass slabs are used to mix zinc phosphate due to its high exothermic properties; this reduces the speed at which it sets.
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The solutions that most resemble blood plasma include all of the following EXCEPT:
A) Sodium chloride 0.9%. B) Dextrose 5%. C) Ringer's injection. D) Isotonic 10%.
A pumper attached to a fire hydrant is supplying 500 gpm through 800 feet of dual 3-inch hoses (w/ 2 1/2-inch couplings) to a pumper at the fire scene. What is the friction loss in the hose lay?
What will be an ideal response?
A glucose result is falsely elevated and it was discovered that the previous sample on the sample carousel has abnormally high serum glucose. Which of the following can cause this error?
A. Pipetting an extra volume of diluents into the sample with the falsely elevated glucose B. Carryover C. A leak in the reagent-dispensing probe D. Double pipetting of the sample with the elevated glucose result
A hospital has a significantly higher rate of serious blood transfusion reactions than similar hospitals. A risk management team was assigned to the problem. Which of the following is one of the first things it should do?
A. Inform blood bank technologists of the importance of transfusion safety. B. Compare its blood transfusion processes to national standards. C. Investigate the nurses whose patients had transfusion reactions. D. Recommend switching to a different blood supplier.