ARDS Nursing Questions and Answers (100% Correct Answers) Already Graded A+

ARDS Nursing Questions and Answers (100%
Correct Answers) Already Graded A+
What is the primary pathophysiologic mechanism
involved in acute respiratory failure in patients with
chronic obstructive pulmonary disease (COPD)?

A. Decreased lung compliance

B. Ventilation-perfusion mismatch

C. Pulmonary edema

D. Respiratory muscle weakness [ Ans: ] B. Ventilation-
perfusion mismatch

Which of the following is the most common cause of acute
hypoxemic respiratory failure in critically ill patients?

A. Pneumonia

B. Pulmonary embolism

C. Acute asthma exacerbation

D. Myocardial infarction [ Ans: ] A. Pneumonia

In patients with acute respiratory failure, which of the
following ABG findings is most indicative of
hypoventilation?

,A. PaCO2 of 50 mmHg and PaO2 of 60 mmHg

B. PaCO2 of 70 mmHg and PaO2 of 85 mmHg

C. PaCO2 of 30 mmHg and PaO2 of 55 mmHg

D. PaCO2 of 90 mmHg and PaO2 of 40 mmHg [ Ans: ] D.
PaCO2 of 90 mmHg and PaO2 of 40 mmHg

A 68-year-old male with a history of chronic bronchitis
presents to the ER with severe shortness of breath. His
ABG reveals a PaCO2 of 75 mmHg and a PaO2 of 55 mmHg.
Which of the following is the most likely cause of his
acute respiratory failure?

A. Ventilation-perfusion mismatch due to pneumonia

B. Alveolar collapse due to atelectasis

C. Hypercapnic respiratory failure due to impaired
ventilation

D. Pulmonary embolism leading to reduced perfusion [
Ans: ] C. Hypercapnic respiratory failure due to impaired
ventilation

A 60-year-old male with a history of heart failure is
admitted to the ICU with worsening respiratory distress.
His ABG shows a PaCO2 of 85 mmHg and PaO2 of 50
mmHg. What is the most likely pathophysiologic
mechanism for his acute respiratory failure?

,A. Acute pulmonary edema

B. Ventilatory failure due to hypoventilation

C. Acute asthma exacerbation

D. Pulmonary embolism [ Ans: ] B. Ventilatory failure due
to hypoventilation

A patient with a history of stroke presents with confusion
and slow respiratory rate. The ABG shows a PaCO2 of 78
mmHg and PaO2 of 55 mmHg. What is the most likely
cause of this patient's respiratory failure?

A. Central nervous system depression leading to
hypoventilation

B. Pulmonary embolism leading to decreased perfusion

C. Severe asthma exacerbation causing
bronchoconstriction

D. Acute pneumonia leading to impaired oxygenation [
Ans: ] A. Central nervous system depression leading to
hypoventilation

A 72-year-old patient presents with severe shortness of
breath, confusion, and a PaCO2 of 80 mmHg. What is the
most appropriate initial management strategy for this
patient?

A. Begin mechanical ventilation immediately

, B. Administer high-flow oxygen via non-rebreather mask

C. Start non-invasive positive pressure ventilation (NIPPV)

D. Administer sedation and wait for improvement [ Ans: ]
C. Start non-invasive positive pressure ventilation (NIPPV)

Which of the following is the primary cause of
hypercapnic respiratory failure in patients with chronic
obstructive pulmonary disease (COPD)?

A. Impaired ventilation due to airflow obstruction

B. Pulmonary edema

C. Decreased diffusion capacity in the alveoli

D. Ventilation-perfusion mismatch [ Ans: ] A. Impaired
ventilation due to airflow obstruction

A 55-year-old male with COPD presents with confusion,
drowsiness, and labored breathing. His ABG shows a
PaCO2 of 85 mmHg. What is the most likely cause of his
respiratory failure?

A. Pulmonary embolism

B. Acute asthma exacerbation

C. Hypercapnic respiratory failure due to alveolar
hypoventilation