Indications for mechanical ventilation part 2

What is a disease that affects the neuromuscular junction?

• Emphysema

• Myasthenia gravis

• ARDS

• Idiopathic pulmonary fibrosis

Which condition is associated with respiratory muscle weakness?

• Sarcoidosis

• Chronic bronchitis

• Pneumonia

• ALS

What is a cause of reduced chest wall compliance?

• Morbid obesity

• Pneumoconioses

• Bronchiectasis

• Pulmonary embolism

In oxygenation failure, what causes a drop in PaO2 and SaO2?

• ARDS

• Pulmonary embolism

• Chronic bronchitis

• Impairment of gas diffusion

Which lung disease is associated with obstructive lung diseases?

• Asthma

• Idiopathic pulmonary fibrosis

• ALS

• Pulmonary arterial hypertension

What is the pathophysiology of oxygenation-ventilation failure?

• Impairment of gas diffusion

• Pneumonia

• Abnormality in lung compliance or resistance

• Chronic bronchitis

What does an abnormal degree of V/Q mismatching and diffusion impairment cause?

• Hypercapnia

• ARDS

• Myasthenia gravis

• Pneumonia

Which condition can cause oxygenation failure?

• ALS

• Pneumoconioses

• Chronic bronchitis

• Morbid obesity

What is a characteristic of oxygenation-ventilation failure?

• Reduced PaO2

• Normal V/Q ratio

• Increased A-a gradient

• Elevated PaCO2

What maintains a normal PaCO2 in patients with oxygenation failure?

• Pulmonary embolism

• ALS

• Central chemoreceptors

• Impairment of gas diffusion