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Transcript
Infectious Disease 5th block – Hunger games? Do Now NB 150 top – 8 mins 1. Name these bacteria: a) Clusters of rod bacteria b) Groups of 4 round bacteria c) Chain of spiral bacteria 2. Describe these bacteria: a) Staphylobacillus b) Streptospirillium c) tertracoccus Happy Wednesday - Agenda • Infectious Disease! – Notes – Videos – Independent Practice Thursday – Biotechnology Friday – Quiz & video Infectious Diseases NB 153 DISCOVER ACTIVITYHOW DOES A DISEASE SPREAD? Names of people you have touched today Who might they have touched today? infectious disease •disease that can pass from one organism to another pathogen • organism that can cause disease scientists & their ideas Louis Pasteur Joseph Lister Robert Koch • showed microorganisms cause disease • microorganisms caused diseases • killing microorganisms could prevent spread of diseases • performed surgery under more sterile conditions • infectious disease caused by specific pathogen Joseph Lister using a carbolic steam sprayer to spread a mist of carbolic acid. • In the 1800’s, surgery was performed under conditions that were very different from those used today. • Surgery today is performed in operating rooms that have been cleaned thoroughly to eliminate diseasecausing organisms. THEN NOW 4 major groups of human pathogens 1. bacteria 2. viruses 3. fungi 4. protists –http://medmyst.rice.edu/index.html 1. bacteria 1 celled microorganisms produce toxins (poisons) diseases caused by bacteria: strep throat- streptococcus bacteria tetanus Pictures Of Strep Throat Here are three pictures of strep throat. Notice the red flecks indicating a bacterial infection. Infectious Diseases Caused by Bacteria [03:07] 2. viruses • smaller than bacteria • cannot reproduce unless inside living cells 2. viruses • diseases caused by viruses: – cold – influenza (flu) – chicken pox chicken pox The Littlest Assassins: What Are Viruses? [03:35] 3. fungi • molds, yeasts • athlete’s foot 4. protists •malaria The Anopheles mosquito carries the protist that causes malaria. sources of pathogens 1. person person 2. contaminated object 3. animal bite 4. environment 1. person to person transfer • thru direct physical contact –kissing, shaking hands • thru indirect contact –sneezing 2. contaminated objects towels water food silverware 3. animal bites rabies The Lyme disease bacterium, Borrelia burgdorferi, normally lives in mice, squirrels and other small animals. It is transmitted among these animals – and to humans -through the bites of certain species of ticks. engorged deer tick 4. environment soil water Independent Practice NB 152 • Do not write on the worksheet! • Use notes from this week & Ch5E • Time-> 20 minutes • When done: Come to me and get your classwork sheet: Biotechnology! – Textbook –pgNC28-30 pros/cons TGIF!!!!! • Do now – NB 154 – Please write1+ paragraphs about 1) I feel I learn the best by… 2) I know I need to review the following topics… 3) I feel I understand….. Agenda: Review yesterdays work Video Quiz…. I am moving to MONDAY.