UCF Immunology Exam with 100% complete solutions

Who discovered vaccination, how did he do it? correct answersIn 1796 Edward Jenner realized milkmaids who had contracted cowpox (mild disease symptoms compared to smallpox) were not susceptible to smallpox, so he used fluid from a cowpox pustule would induce immunity to smallpox and tested theory on 8 yr old boy- inoculated boy with fluid from cowpox pustule then later injected the boy with smallpox. The boy didn't contract smallpox. What are some gram - bacteria to know for this class? correct answers• E. Coli • Pseudomonas • Salmonella PES What are some gram + bacteria to know for this class? correct answers• Vacilles • Streptococcus • Staphylococcus aureus • Mycobacterium VSSM What antigen is found on the surface of those classes of gram - bacteria? correct answersLPS (lipopolysaccharide) out membrane What antigen is found on the surface of those classes of gram + bacteria? correct answersMembrane is glycoteichoic acid Are all bacteria in your body bad? correct answersNo commensal bacteria is not bad for your body What is commensal bacteria? correct answersOver 1000 microbial species are in human gut (normal flora) And they do not cause harm to the host