QUESTION 7 All of the following statements agree with the germ theory of disease, except: A. Microorganisms can invade other organisms and cause disease B. Maggots only grow on meat that is left in an open flask because microbes are transmitted by flies and do not spontaneously generate OC. Disease-causing organisms will spontaneously arise from decaying meat OD. Disease is not caused by bad air or spirits
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- Question 2 : Consider a disease for which only 25% of individuals who have become exposed are progressing to become infectious. However, whether or not an individual becomes infectious can only be determined after a 5-day latent period. Individuals who are not progressing to become infectious will remain susceptible. The average time an individual stays infective is 2 days. Also, after an average of 10 days after having recovered, 10% of recovered individuals will revert to become susceptible again. 90% of the individuals, however, acquire lifelong immunity. (a) Develop the transition diagram that depicts the move of individuals between compartments. Hint: you can use PowerPoint or online tool such as https://app.diagrams.net/ to draw the diagram. The diagram should contain the labels of the stages and have arrows indicating from one stage to another stage. ******Susceptible, invectives, and recovered individuals in the SIR model are moving through "the compartments " S-I-R.…Question 1 Traditional vaccines may not work for COVID-19 because the antibodies produced in response to the immunization might not recognize the virus spikes in the future. What virulence factor would cause this? production of exotoxins by the virus O presence of superantigens O production of exoenzymes by the virus O antigenic variation by the virus Question 2 Write a brief summary of what the first multiple choice question is asking (This question is asking.)QUESTION 1 Which microbe produces AB toxin? O A. Human immunodeficiency virus. O B. Mycobacterium tuberculosis. OC.Corynebacterium diphtheriae. O D. Both a and b. O E. Both band c.
- Part 3: How would you design an experiment to test the following observations? For the following scenarios identify the experimental group, the control group and what comparison is being drawn. 4. Observations a) Observation: Airborne Dietary Supplements prevents contraction of the flu Experimental Group ● ● Control Group ● Comparison b) Observation: Nicotine is the cancer causing chemical in cigarettes. • Experimental Group • Control Group Explain how the experiment would be organized to get viable data. How would the two groups be compared? • Comparison gMost hospitals use hand sanitizers that claim to “kill 99.99% of illness causing germs”. What are some possible reasons that 0.01% of germs (germs = microorganisms and viruses) not affected by hand sanitizer? (In your answer, you should state what hand sanitizer is made of, and the mechanism by which it kills “germs”.Question 26 The pathogen that causes "kissing diseases" (infectious mononucleosis) A) HSV RSV C) EBV CMV E) All of the above Question 27 A hormone used in pregnancy test HBSAB hcG
- The following are the limitations of Koch's postulates EXCEPT: A. some pathogens cannot grow on artificial media and therefore cannot be identified as the causative agent of the disease B. some diseases involve multiple pathogens which produce similar symptoms making it difficult to pinpoint the causative agent C. some diseases are host-specific and re-inoculation may pose ethical concerns D. some microorganisms are present in the body fluids of the infected animal which make them difficult to be culturedQuestion 16 Within the context of infectious disease, which of the following specimens would be considered irretrievable? Question 16 options: a) Wound swab b) Blood sample for therapeutic drug monitoring c) Cerebrospinal fluid d) Urine samplethe following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed? a. a microorganism is found to be present in every case of a disease. b. the same microbe discovered previously is isolated from the purposely infected host c. the pathogen is isolated and grown in pure culture d. the same disease results after isolated organism is inoculated into healthy host
- Could other inmates develop botulism from being in contact with theill prisoners?a. Yes, it can be spread in body fluids.b. No, a person must ingest the toxin. c. Yes, it can be carried by inanimate objects.d. No, C. botulinum bacteria cannot grow in human tissue.Question 63Which of the following statements regarding syphilis is correct? Question 63 options: a) Syphilis is the most common bacterial STI in Canada b) Males between the ages of 15-24 account for the majority of nationally reported cases c) Syphilis is a bacterial infection caused by Treponema pallidum d) Syphilis does not cause congenital infectionsQuestion 8 Which of the following microbes is the most common cause of pharyngitis? Question 8 options: a) Staphylococcus aureus b) Streptococcus pyogenes c) Escherichia coli d) Rhinovirus