NSC 380 - Respiratory & Metabolic Acid-
Base Questions and Correct Answers/
Latest Update / Already Graded
acids...
Ans: release hydrogen ions
bases (alkalis)...
Ans: accept hydrogen ions
pH...
Ans: 7 is neutral, normal range is 7.35-7.45
buffer systems...
Ans: bicarbonate, phosphate, protein
what is acidosis?
Ans: pH drops below 7.35; hydrogen ion concentration above
normal
what is alkalosis?
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Ans: pH rises above 7.45; hydrogen ion concentration below
normal
respiratory system...
Ans: regulates carbonic acid, eliminating or retaining, carbon
dioxide (forms carbonic acid when combined with water)
renal system...
Ans: long-term regulation of acid-base balance in body
what do kidneys regulate?
Ans: elimination of excess non-volatile acids produced during
metabolism and bicarbonate levels in ECF
what is the normal ratio of bicarbonate to carbonic acid?
Ans: 20:1
how do you assess acid-base balance?
Ans: arterial blood gases that measure PaCO2, O2, serum
bicarbonate, base excess
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