When must quality control be performed when using a refractometer?
a. At the end of the day
b. By comparing values with tap water
c. Before testing each specimen
d. At the beginning of each day
c
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The muscular organ that contains the fetus, placenta, amniotic fluid, and associated structures during pregnancy is the:
A) endometrium. B) uterus. C) rectovaginal pouch. D) oviduct.
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
________ is the most effective means of communication.
Fill in the blank(s) with the appropriate word(s).
Which of the following is the heart rate range of children 1 to 3 years old?
a. 120–150 bpm b. 98-140 bpm c. 70–110 bpm d. 60–100 bpm