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NHCC A&P II, Lab exercise 12: pH and acid-base balance Questions And Answers With Verified Updates $7.99   Add to cart

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NHCC A&P II, Lab exercise 12: pH and acid-base balance Questions And Answers With Verified Updates

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  • NHCC A&P II, Lab Exercise 12: PH And Acid-base Bal

compensation for respiratory alkalosis - metabolic acidosis -> kidneys reduce H+ secretion to urine, decrease blood pH, decrease HCO3 3 mechanisms to maintain homeostasis - 1. chemical buffers, take seconds to act, low power 2. respiratory buffers, take minutes to act 3. renal buffers, take ...

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  • August 25, 2024
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  • NHCC A&P II, Lab exercise 12: pH and acid-base bal
  • NHCC A&P II, Lab exercise 12: pH and acid-base bal
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NHCC A&P II, Lab exercise 12: pH and
acid-base balance
compensation for respiratory alkalosis - metabolic acidosis -> kidneys reduce H+ secretion to
urine, decrease blood pH, decrease HCO3



3 mechanisms to maintain homeostasis - 1. chemical buffers, take seconds to act, low power

2. respiratory buffers, take minutes to act

3. renal buffers, take a day but very effective



difference in pH between grapefruit juice and lemon juice - pH of lemon juice: 2.0

pH of grapefruit juice: 3.0.

Lemon juice is ten times more acidic than grapefruit juice and contains ten times more H+ ions



metabolic alkalosis - pH< 7.45 caused by increased HCO3-



-Normal HCO3- = 22-26 mEq/L

-High pH plus HCO3- > 26 = metabolic alkalosis

-Causes: vomiting, GI suctioning, excess antacid intake



respiratory acidosis - -pH< 7.35 caused by increased CO2

-Best indicator is Pco2 (partial pressure of CO2).

-Pco2 = normal 35-45 mmHg

-Low pH plus Pco2 > 45 = respiratory acidosis

-Causes: shallow breathing, pneumonia, CF, emphysema



Equation of carbonic acid buffer

CO2 + H2P <-> H2CO3 <-> H+ + HCO3-

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