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- 4. Figure 1 (see next page) depicts the timeline of Sammy's chlamydia infection. Each panel of the figure represents a blood sample, showing a stain of the chlamydia bacteria. The red dots indicate the initial chlamydia bacteria, and the yellow dots indicate the mutated chlamydia bacteria. Provide detailed captions for the images under the titles, specifically indicating how the bacteria population changed over time. "The Fight Against Bacteria" by Jessie M. Garcia Page 3 NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Figure 1a. Initial chlamydia infection. Figure 1b. Three days into the doxycycline treatment. Figure 1c. Sammy stops taking her antibiotic pills. Figure 1d. One week after the doxycycline treatment. Figure 1e. Two weeks after the doxycycline treatment.Answer the questions and explain briefly. 1. How can you apply the Germ Theory of Disease and the Koch’s Postulates in identifying the cause of all diseases? 2. The whole world is currently experiencing a pandemic caused by SARS-CoV-2 virus. How do viruses differ from other types of microorganisms? 3. What do you think bacteria need to grow? 4. In which of the four phases of bacterial growth would an antibiotic best work? 5. Staphylococcus aureus is a common bacterium seen within our body. How will you characterize it based on its requirements for pH, temperature and aeration?Give typing answer with explanation and conclusion The following bacteria are listed with a potential complication of progression of infection or severe disease. Which is not matched appropriately? Borrelia burgdorferi: autoimmune reactivity Chlamydia trachomatis: infertility Helicobacter pylori: gastric cancer Streptococcus pyogenes: acute rheumatic fever Escherichia coli: necrotizing fasciitis
- Give a disease-causing pathogen or microbe and answer the following questions. 1. What is the name of the pathogen causing the disease? 2. What disease does the pathogen cause? 3. How is disease transmitted? 4. What are the symptoms of the disease? 5. How long does it last for? 6. Can the disease be treated? 7. Is there a vaccine for the disease?A 40-year old man complained to the hospital of fever, chills and abdominal pain. Based on clinical history, the man has elevated ALT and AST enzyme assay with gradual hepatomegaly. The patient submitted stool sample and the following are the results: Many cysts seen with 4 nuclei Eccentric karyosome observed Ingested RBC present Bacteria (Moderate) What possible parasite the patient has been infected with? Explain why. What possible additional lab tests are necessary to prove the patient’s diagnosis? Explain why. What is the possible diagnosis of the patient? Explain why.A. Differentiate the microorganisms by filling in the table with YES or NO. For virus, state if it is inside or outside the host cell to classify them. Questions Fungi Protist Bacteria Virus 1. Is made out of a cell or cells? 2. Has a nucleus? 3. Is considered living? 4. Can move on its own? 5. Can reproduce or replicate? 6. Has DNA? 7. Has cytoplasm? 8. May have a cell wall? 9. Has membrane bound organelles? 10. Has ribosomes?
- Match pathogen to common site of hospital-acquired infection. Make matches so you use each letter one time. 33. forms endospores, causes serious diarrhea Resistant Staphylococcus Aureus A. Methicillin- 34. gram-negative opportunist, burn infections, pneumonia difficile 35. typical large intestine flora, causes urinary tract infections 36. broadly antibiotic-resistant, causes infections anywhere in body aeruginosa B. Clostridium C. Escherichia coli D. Pseudomonas 37. If a disease can use in a room where air does not freely flow out of the room. transmission, a patient with that disease will need to be A. droplet B. contact C. airborne D. fecal-oral 38. Handwashing will not prevent transmission of a pathogen. A. direct contact B. fomite C. vector D. fecal-oral 39- A 27-year old unmarried female patient presents with genital warts. A-Which one of the following viruses is the most likely cause? 1- Herpes simplex virus 2- Epstein-Barr virus 3- Hanta virus 4-HPV S-HIV B- Which one of the…۲:۱۱ ۱ ZAVO 41 | docs.google.com/forms/ The dimorphic fungi: * Can exist as mold or yeast Yeast form at 25 degree Mold form at 37 degree Dimorphism depends on mode of reproduction The acute phase of HIV infection: * May last 6-10 years The virus titer is low and antibody is high Detection of the antibody occur before the viremia During the window period, Ab is absent but the virus is present in the blood O I. 46 alfa K/s Awrite out a detailed summary on Salmonella. Questions below will help you frame your summary. Please describe the bacterium. What is its shape and size? Is it Gram-positive or negative? Pictures are always fun! If you can find a microscopic image – include it. What is/are the reservoir(s)? e.g. water, food, human, etc. Are there parameters needed for infection? (Temperature, pH) What is/are the mode(s) of transmission. If it's foodborne - is it linked to a specific food? How many cases occur each year? In the US and/or worldwide and/or in the County where you live Has it caused any outbreaks or epidemics? Thank you-
- A 65-year-old woman presents to the clinic to establish care. Her past medical history is notable for type 2 diabetes and hypertension. She has a 45-pack-year smoking history. A few weeks ago, she was shoveling her driveway when she had to stop due to tightness in her chest. She does not get any regular exercise because her calves become very painful after walking one block. Questions A. What is the likely diagnosis? B. What is the pathogenesis of this condition? C. What are this patient’s rick factors, and how do they contribute to the development of atherosclerosis?Why is the Widal Test performed? What disease does it indicate? Is the Widal test reliable? Enumerate the different bacteria that can cause false positive and false negative Illustrate how the antigens aggregate in the Widal TestProtozoan cysts are resistant to many disinfection methods. True False