Smoking and air pollution cause the alveoli in the lungs stiff and less stretchy, making it difficult for air to escape during exhalation. Learn how the destruction of the protein elastin is key to the progression of emphysema, and how the over production of elastase occurs. Created by Amy Fan.
Watch the next lesson: https://www.khanacademy.org/test-prep/nclex-rn/rn-respiratory-system-diseases/rn-emphysema/v/emphysema-diagnosis?utm_source=YT&utm_medium=Desc&utm_campaign=Nclex-rn
Missed the previous lesson? https://www.khanacademy.org/test-prep/nclex-rn/rn-respiratory-system-diseases/rn-emphysema/v/what-is-emphysema?utm_source=YT&utm_medium=Desc&utm_campaign=Nclex-rn
NCLEX-RN on Khan Academy: A collection of questions from content covered on the NCLEX-RN. These questions are available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License (available at http://creativecommons.org/licenses/by-nc-sa/3.0/us/).
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s NCLEX-RN channel: https://www.youtube.com/channel/UCDx5cTeADCvKWgF9x_Qjz3g?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Tagged under: Khan Academy,Medicine,Emphysema,Chronic Pulmonary Obstructive Disease,alveoli,shortness breath,cough,smoking,air pollution,air trapping,elastin,elastase
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes