★ Hematology Quiz
What is the function of potassium ferricyanide in Drabkin’s reagent?
A. Binds to hemoglobin to form cyanmethemoglobin
B. Oxidizes hemoglobin to methemoglobin
C. Maintains an acidic environment
D. Acts as a reducing agent
Select your answer:
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Enzymes › View
Which of the following conclusionscan be drawn from this graph?
A. The optimum pH of theenzyme is 6.6.
B. The optimum pH of the enzymeis 5.8
C. The enzyme’s activity increases as pH increases5.0 to 9.0
D. The enzyme’s activity is greater around pH of 8.0 .
Oxygenation › View
As a nurse you should be well knowledgeable of the physiology of oxygenation. Which of the following gasses helps keep the alveoli open?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen