Which of the following systems are capable of regulating alkaline substances in the blood and restoring chemical buffers used in managing the H+ levels in extracellular fluids?

I. Phosphate buffer system
II. Protein buffer system
III. Respiratory system
IV. Renal system
a. III and IV only c. III only
b. IV only d. I and II only

b. IV only

Health Professions

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Which of these two parameters does a pulse oximeter measure? 1. O2Hb 2. Hb 3. COHb 4. MetHb

a. 1 and 2 b. 1 and 3 c. 2 and 3 d. 3 and 4

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Which type of check has been verified by the bank as being "good"?

a. Certified b. Cashiers c. Travelers d. Personal

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