What is the primary buffer system for fixed acids?
a. Cl–
b. HCO3–
c. Phosphate
d. Plasma proteins
ANS: B
The H+ of fixed acids can be buffered by HCO3– ions and converted to CO2 and H2O (see the previous reaction); the CO2 thus formed is eliminated in exhaled gas.
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Which of the methods listed below is best described as moving a patient from the floor to a stretcher by having two or more rescuers kneel, curl the patient to their chests, stand, and then reverse the process to place the patient on the stretcher?
A) Direct carry B) Direct ground lift C) Draw-sheet method D) Power lift
The speed of a sound wave (s) is given by the frequency (f) multiplied by the wavelength (w): s = fw. Find the frequency of a sound wave with a speed of 330 meters/second and a wavelength of 0.033 meters.Answer: ___________
What will be an ideal response?