NURS 6501 Week 3 Quiz - 100 out of 100 points
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FEV1/FVC ratio of 0.65. Which of the following pathophysiological processes is most directly responsible for the excessive mucus production observed in this condition? Accumulation of inflammatory cells in the alveoli Hyperplasia of the mucus-secreting glands in the bronchioles Decreased cilia function in the bronchi Thickening of the arterial walls in the pulmonary circulation 6. In a suspected case of ARDS, a patient's chest X-ray reveals diffuse bilateral infiltrates. The healthcare team is considering noncardiogenic pulmonary edema secondary to ARDS as the likely diagnosis. What is the primary effect of this type of pulmonary edema on lung function? It increases the airway resistance due to secretion buildup Diminishes surface tension, promoting atelectasis It improves lung elasticity, increasing inspiratory capacity It reduces lung compliance, making the lungs stiffer 7. A spirometry report of a patient with a history of smoking shows a reduced FEV1/FVC ratio and a decreased diffusion capacity for carbon monoxide (DLCO). These findings are consistent with emphysema. What cellular alteration in the lungs contributes to these findings? Thickening of bronchial walls Overproduction of surfactant by type II pneumocytes Hypersecretion of mucus in the bronchi Reduced alveolar surface area 8. Which of the following statements best distinguishes bronchiectasis from other obstructive lung diseases? It is characterized by reversible airway obstruction responsive to bronchodilators. It manifests as irreversible dilatation of bronchi due to chronic inflammation and infection. It is often a result of alpha-1 antitrypsin deficiency.
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