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EXAM 3 -- BIOS 256 CHAMBERLAIN NEWLY UPDATED 2024 WITH CORRECT QUESTION AND ANSWERS GRADED A+

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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 what can respiratory alkalosis be caused by? - CORRECT ANSWERS -hyperventilation how does hyperventilation cause respiratory alkalosis? - CORRECT ANSWERS -breathing too fast causes a drop in CO2 levels how does the excretion of hydrogen ions by the kidneys control blood pH? - CORRECT ANSWERS -kidneys neutralize more acid/base than the respiratory system (if acid is too high, kidneys secrete more H+ to raise pH

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BIOS 256 CHAMBERLAIN
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BIOS 256 CHAMBERLAIN

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Written in
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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
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