EXAM 3 -- BIOS 256 CHAMBERLAIN NEWLY UPDATED 2024
WITH CORRECT QUESTION AND ANSWERS GRADED A+
what is normal pH? -
CORRECT ANSWERS -7.35-7.45
what is pH determined by? -
CORRECT ANSWERS -hydrogen ions
what is a buffer? -
CORRECT ANSWERS -mechanisms that resist changes in pH
buffer convert ____ acids and bases to ___ ones -
CORRECT ANSWERS -strong, weak
what do physiological buffers do? -
CORRECT ANSWERS -stabilizes pH by controlling the body's output of acids, bases, or CO2
how long does urinary compensation take? -
CORRECT ANSWERS -hours/days
how long does respiratory compensation take? -
CORRECT ANSWERS -minutes
does urinary or respiratory compensation alter the pH more? -
CORRECT ANSWERS -urinary
what is a chemical buffer? -
, CORRECT ANSWERS -substance that binds H+ and removes it from solution as its concentration
begins to rise
how long does it take for chemical buffer systems to restore pH? -
CORRECT ANSWERS -fraction of a second
what are the 3 major chemical buffers in the body? -
CORRECT ANSWERS -bicarbonate, phosphate, and protein
what is the most abundant buffer in the ICF/blood plasma? -
CORRECT ANSWERS -protein buffer system
what is respiratory acidosis? -
CORRECT ANSWERS -abnormally high CO2 in systemic arterial blood (about 45 mmHg)
what is hypercapnia -
CORRECT ANSWERS -too much CO2
a build up of CO2 causes the pH to ___ making it ___ -
CORRECT ANSWERS -decrease, acidic
during respiratory acidosis, the ___ will not be able to remove the CO2 produced -
CORRECT ANSWERS -lungs
what is respiratory alkalosis? -
CORRECT ANSWERS -abnormally low CO2 in systemic arterial blood (below 35 mmHg)
not enough CO2 causes the pH to ____ and become ___ -
CORRECT ANSWERS -rise, alkaline
WITH CORRECT QUESTION AND ANSWERS GRADED A+
what is normal pH? -
CORRECT ANSWERS -7.35-7.45
what is pH determined by? -
CORRECT ANSWERS -hydrogen ions
what is a buffer? -
CORRECT ANSWERS -mechanisms that resist changes in pH
buffer convert ____ acids and bases to ___ ones -
CORRECT ANSWERS -strong, weak
what do physiological buffers do? -
CORRECT ANSWERS -stabilizes pH by controlling the body's output of acids, bases, or CO2
how long does urinary compensation take? -
CORRECT ANSWERS -hours/days
how long does respiratory compensation take? -
CORRECT ANSWERS -minutes
does urinary or respiratory compensation alter the pH more? -
CORRECT ANSWERS -urinary
what is a chemical buffer? -
, CORRECT ANSWERS -substance that binds H+ and removes it from solution as its concentration
begins to rise
how long does it take for chemical buffer systems to restore pH? -
CORRECT ANSWERS -fraction of a second
what are the 3 major chemical buffers in the body? -
CORRECT ANSWERS -bicarbonate, phosphate, and protein
what is the most abundant buffer in the ICF/blood plasma? -
CORRECT ANSWERS -protein buffer system
what is respiratory acidosis? -
CORRECT ANSWERS -abnormally high CO2 in systemic arterial blood (about 45 mmHg)
what is hypercapnia -
CORRECT ANSWERS -too much CO2
a build up of CO2 causes the pH to ___ making it ___ -
CORRECT ANSWERS -decrease, acidic
during respiratory acidosis, the ___ will not be able to remove the CO2 produced -
CORRECT ANSWERS -lungs
what is respiratory alkalosis? -
CORRECT ANSWERS -abnormally low CO2 in systemic arterial blood (below 35 mmHg)
not enough CO2 causes the pH to ____ and become ___ -
CORRECT ANSWERS -rise, alkaline
