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level: Level 2 - continuation part 1

Questions and Answers List

Question	Answer
is usually done as a defense mechanism of the lungs. A rapid removal of particles will lessen the time available to cause damage to pulmonary tissues or permit local absorption. give examples	Clearance ex. - Sneezing
1 particles are removed either by wiping or blowing the nose. 2 usually propels the mucus towards the glottis to be swallowed down to the esophagus and GI tract to be eventually destroyed. 3 may be dissolved in the nose region and can enter the epithelium or the blood before they can be mechanically removed	1 Nasal Clearance 2 Mucociliary Epithelium 3 Soluble particles
is for particles that are deposited in the tracheobronchial tree. - Particles are usually removed through the cilia.	Tracheobronchial Clearance
- Particles can also be swallowed by macrophages through the process of phagocytosis. After the particles are consumed by macrophages, they become __ and will then move upward to the oropharynx region and eventually be swallowed and eventually destroyed by the acidic fluids of the GI tract.	particle-laden macrophages
- Particles that are deposited in the alveolar region are removed by specialized cells. give example of these specialized cells	Alveolar Clearance ex. - Alveolar macrophage.