Acidosis and Alkalosis Flashcards
Fat tissue holds ______ water so obese people hold _______
less
Lower water content by weight
Fluid compartments for average 70 kg man
25 L ICF
15 L ECF (10 interstital and 5 blood)
As water passed from blood to urine _____
Water replenished from ICF
ICF higher electrolytes
Potassium, inorganic phisphate
ECF Higher electrolyters
Na, Cl, HCO3
mEq equation
mmol X Abs(charge)
Buffers consist of
Weak acid and conjugate base
Buffers can compensate
WIthin 1 pH unit of pKa of acid
3 sources of acids in adults
Non-volatile (digestive)
Organic (normal metabolism)
CO2 (from O2 use by muscles)
CO2 combines with _____ to form _____
H2O
H2CO3
Non-volatile acids quantity
Minor (50-100 mEq)
Organic acids concentration
Thousands of mmol per day
Metabolized to neutral organic compounds
Organic acid concentration of ECF
Low and at steady state
Carbon dioxide is ____
major buffering system of ECF
Acid base balance from rapid to long-term
Normal pulmonary excretion of CO2
Metabolic utilization of organic acids
Renal excretion of non-volatile acids