MN 551 MIDTERM EXAM REVIEW QUESTIONS AND VERIFIED SOLUTIONS BY EXPERTS GRADED A+ 2025.

1. What is the primary role of mucociliary blanket?: Trap foreign objects andbacteria which doesn't allow entry to the lungs 2. What do the vocal cords contribute when itinvolvesswallowing?: They con-tribute to blocking of airways when swallowing, thus preventing food from enteringthe lungs. 3. What is aspiration pneumonia?: is a type of lung infection that is due to a relatively large amount of material from the stomach or mouth entering the lungs 4. What doestheTracheobronchialTree consists of: trachea, bronchi, and bron-chioles 5. Which type of penumonia are you at high risk if the swallowing mechanismis impaired?: aspiration pneumonia 6. True or False...Volume of air that moves into and out of the air exchangeportion of the lungs is directly related to pressure difference between the lungs and atmosphere: True 7. True or False... Airway Airflow is inversely related to the resistance that theair encounters as it moves through the airways: True 8. What is the priniciple muscle for inspiration? What is the motion when contracted?: diaphragm. the abdominal contents move downward and forward. 9. Whatislung compliance?: It isthe stretchability of ourlungs.Themore the lungscan expand the more the compliance. 10. What determines lung compliance?: elastin and collagen fibers of lung, itswater content, and surface tension 11. What muscles are involved in expiration?: Expiration of the lungs is usuallypassive. Relaxing the inspiratory muscles allows the elastic recoil of the lungs to reduce the volume of the thoracic cavity passively 12. What are the 4 forces overcome by the respiratory muscles?: 1.Elastic r