Answered: these questions by watching the YouTube…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Answer these questions by watching the YouTube videos and reviewing the Powerpoints from Lab #4. 1. What is Refraction of light? 2. What is the difference between the Ocular lens and the Objective lens? 3. What is the purpose of the Revolving Nosepiece? 4. What is the difference between the Course Adjustment Knob and the Fine Adjustment Knob? 5. How do you calculate Total Magnification? 6. What is Resolution in terms of Microscopy? 7. What is the purpose of Oil Immersion? 8. What is the Diffraction Barrier and why does it exist? 9. What is the purpose of using stains and fluorescent dyes in microscopy? 10. What is the advantage of using an Electron Microscope? 11. What Objective lens should you always start with? 12. What is the purpose of the Iris Diaphragm on the Condenser? 13. How do you know your Objective lens has been adjusted properly? 14. Why should you not use Kimwipes to clean the Microscope lenses? 15. What does parafocal mean? 16. As you increase the magnification of the Objective lens, what happens to the distance between the lens and the slide? 17. What can happen if you only use one eye to look into a binocular microscope? 18. Why do you only use the Fine Adjustment Knob to focus at high magnifications? 19. Why do you only add a single drop of water to a specimen when creating a wet mount? 20. What can occur if you quickly drop the coverslip onto your wet mount? 21. How can one add stain to the wet mount that has already been prepared? 22. Some live microorganisms can move very quickly. How do we slow these down to view in the microscope?

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