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Midterm Exam: NR 572 / NR572
( Update 2025 / 2026) Advanced Acute Care Management Week 1 - 4 Questions & Answers – Chamberlain
Question:
What is the next step for unresponsive client with pH 7.12, PaCO2 88, PaO2 45?
Answer:
Intubation and mechanical ventilation.
Question:
What is the best support for alert CHF + COPD patient with ABG pH 7.34, PaO2 65, PaCO2 52?
Answer:
NIPPV with BiPAP.
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Question:
Which is NOT a contraindication for NIPPV?
Answer:
COPD exacerbation.
Question:
What is acute respiratory failure?
Answer:
A condition where gas exchange is impaired, seen on ABG with altered acid- base balance.
Question:
What does SaO2 represent?
Answer:
Saturation of hemoglobin by oxygen, measured by SpO2 or PaO2.
Question:
Define PaO2.
Answer:
Partial pressure of arterial oxygen. 2 / 4
Question:
Define PaCO2.
Answer:
Partial pressure of arterial carbon dioxide.
Question:
What is hypoxia?
Answer:
Reduced tissue oxygenation.
Question:
What is hypoxemia?
Answer:
Low arterial oxygen supply.
Question:
What is hypercapnia?
Answer:
Increased PaCO2 (>50 mm Hg).
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Question:
What are the two types of respiratory failure?
Answer:
Type I (hypoxemic) and Type II (hypercapnic).
Question:
What is Type I respiratory failure?
Answer:
Low oxygen, normal/low CO2; due to lung tissue damage.
Question:
What is Type II respiratory failure?
Answer:
Low oxygen, high CO2; due to ventilatory pump failure.
Question:
What are common causes of Type I respiratory failure?
Answer:
Pulmonary edema, pneumonia, ARDS, pulmonary fibrosis.
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