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CRITICAL CARE HESI CONCEPTS 2026|WELL REVISED EXAM QUESTIONS WITH CORRECT ANSWERS

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CRITICAL CARE HESI CONCEPTS 2026|WELL REVISED EXAM QUESTIONS WITH CORRECT ANSWERS

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CRITICAL CARE HESI CONCEPTS
2026|WELL REVISED EXAM QUESTIONS
WITH CORRECT ANSWERS




Elevated levels of PaCO2 may indicate - correct-answer - Pneumonia

Asthma

COPD

Anesthesia effects

Opioids ( respiratory acidosis)




Decreased levels of PaCO2 may indicate - correct-answer - hyperventilation

(respiratory alkalosis)




HCO3 normal levels - correct-answer - 21-28 mEq/ L

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Elevated HCO3 levels may indicate - correct-answer - Respiratory acidosis as

compensation for primary metabolic alkalosis




Decreased levels of HCO3 indicate - correct-answer - respiratory alkalosis as

compensation for primary metabolic acidosis




SpO2 normals - correct-answer - 95-100%



(may be lower in older adults)




SpO2 decreased levels may indicate - correct-answer - impaired ability of

hemoglobin to release oxygen to tissues




Compensation for normal pH, Abnormal CO2, Abnormal HCCO3 - correct-answer -

Full compensated

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Compensation for abnormal pH , abnormal CO2, abnormal HCO3 - correct-answer

- Partially compensated




Compensation for abnormal pH and one or the other CO2 and HCO3 abnormal -

correct-answer - Uncompensated




Clinical manifestations of Respiratory acidosis - correct-answer - headache



decreased LOC



Hypoventilation (cause of problem)



Cardiac dysrhthmias



IF SEVERE: HYPOTENSION

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