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CHA 1 Exam 2 Study Guide with Complete Solutions

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CHA 1 Exam 2 Study Guide with Complete Solutions At risk populations for acid-base imbalances - Answer️️ -Diabetes, COPD, Renal failure, severe vomiting/diarrhea Respiratory acidosis lab values - Answer️️ -pH < 7.35, CO2 > 45 mmHg Metabolic acidosis lab values - Answer️️ -pH ...

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  • August 29, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
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  • CHA
  • CHA
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©SOPHIABENNETT@2024-2025 Sunday, August 25, 2024 2:42 PM


CHA 1 Exam 2 Study Guide with
Complete Solutions

At risk populations for acid-base imbalances - Answer✔️✔️-Diabetes, COPD,
Renal failure, severe vomiting/diarrhea

Respiratory acidosis lab values - Answer✔️✔️-pH < 7.35, CO2 > 45 mmHg

Metabolic acidosis lab values - Answer✔️✔️-pH < 7.35, HCO3 < 22 mEq/L

Respiratory alkalosis lab values - Answer✔️✔️-pH > 7.45, CO2 < 35 mmHg

Metabolic alkalosis lab values - Answer✔️✔️-pH > 7.45, HCO3 > 26 mEq/L

3 methods of acid base regulation in the body - Answer✔️✔️-cellular buffer
system

respiratory system

renal system

Acidosis effect on potassium - Answer✔️✔️-hyperkalemia

Alkalosis effect on potassium - Answer✔️✔️-hypokalemia

RBC/Hgb with H+ buffering

(LOOK UP) - Answer✔️✔️-too many H+ in blood->excess H+ cross into RBC
and bind to Hgb resulting in less H+ in blood->K+ leaves
cell(hyperkalemia)




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, ©SOPHIABENNETT@2024-2025 Sunday, August 25, 2024 2:42 PM

vice-versa in alkalosis->K+ must enter cell(hypokalemia)

Respiratory regulation of acidosis - Answer✔️✔️-increased H+ in blood
triggers brain to increase rate and depth-"blows off" excess CO2, Kussmaul
breathing

Respiratory regulation of alkalosis - Answer✔️✔️-decreased H+ in blood
triggers brain to decrease rate and depth of breathing-retains CO2

Renal regulation of acidosis - Answer✔️✔️-kidneys reabsorb as well as
create more HCO3, while excreting H+

Renal regulation of alkalosis - Answer✔️✔️-kidneys excrete HCO3 and
reabsorb H+

pH range - Answer✔️✔️-7.35-7.45

PaCO2 range - Answer✔️✔️-35-45

HCO3 range - Answer✔️✔️-22-26

Patients at risk for respiratory acidosis - Answer✔️✔️-respiratory depression

anesthesia

opioids

airway obstruction

COPD

Patients at risk for metabolic acidosis - Answer✔️✔️-DKA

kidney failure


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, ©SOPHIABENNETT@2024-2025 Sunday, August 25, 2024 2:42 PM

diarrhea

excessive alcohol or ASA

Patients at risk for respiratory alkalosis - Answer✔️✔️-hyperventilation

panic attack

mechanical ventilation

Patients at risk for metabolic alkalosis - Answer✔️✔️-prolonged vomiting

NG suctioning

diuretics

TPN

antacids

First sign of acidosis - Answer✔️✔️-confusion/lethargy(d/t CNS
depression)

Interventions for respiratory acidosis - Answer✔️✔️-maintain airway,
breathing status hourly, bronchodilators, O2 sats

Interventions for metabolic acidosis - Answer✔️✔️-treat cause(insulin if
DKA), IV hydration, IV bicarb if low

Interventions for alkalosis - Answer✔️✔️-treat cause(stop diuretics if caused
by that, antiemetics if vomiting)

Patient safety




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