Respiratory system diseases | NCLEX-RN | Khan Academy

Learn about Pertussis (also called "whooping cough"): What it is? What causes it? How it spreads? And what happens if a person is infected? Watch the next lesson: https://www.khanacademy.org/test-prep... Missed the previous lesson? https://www.khanacademy.org/test-prep... 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/b.... 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 par