How is it possible for strict anaerobic bacteria to cause a disease in humans? Strict anaerobe pathogens produce toxins that damage the host cells. There are parts of the human body where oxygen is absent. Strict anaerobes can hide from the immune system rather well. Strict anaerobes can break down the oxygen creating an anaerobic environment in the body.
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An anaerobic organism is a organism who does not require molecular oxygen for the growth.
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- A patient comes to your office complaining of a productive cough, night sweats, and unexplained weight loss. You perform a Kinyoun acid-fast stain of his sputum and see the acid fast positive organisms depicted in the picture What is the organism most likely causing the disease? C Staphylococcus aureus Mycobacterium tuberculosis O Mycobacterium leprae Mycobacterium fortuitumThis bacteria is commonly found in soil and water, and can cause otitis externa (aka swimmers ear). Pseudomonas aeruginosa Streptococcus pyogenes Staphylococcus aureus Staphylococcus epidermidisITEM MSM MICROBIAL PROFILE I MICROORGANISM/CAUSATIVE AGENT A GRAM REACTION B OXYGEN REQUIREMENT с SIZE D SHAPE E HABITAT F DISCOVERY G MICROSCOPIC IMAGE DISEASE PROFILE DISEASE/S SYMPTOMS OF THE DISEASE с INCUBATION PERIOD D MODE OF TRANSMISSION E DIAGNOSIS F TREATMENT G PREVENTION H NO OF DAYS BEING SYMPTOMATIC I IMAGE OF INFECTED PATIENT HABCO А BACTERIA: Haemophilus ducreyi PROFILE Haemophilus ducreyi
- Bacteria that prefer to grow at room temperature at low pH are: Mesophilic acidophiles Microaerophilic alkalophiles Psycrophilic neutraphiles Thermophilic acidophilesMycobacterium tuberculosis infects the upper regions of the lungs. This bacteria is classified as a(n)___. aerobe thermophile saprophyte anaerobeclostridium botulinum is a bacterium usually present in soil that may cause botulism. Briefly explain why one or few cells of a pathogenic bacterium, such as clostridium botulism, by itself typically does not secrete a toxin, despite the species as a whole being characterized as toxin producing.
- Which of the following contribute to a pathogen's invasiveness? endotoxins hyaluronidase F proteinEvery year, supposedly safe municipal water supplies causeoutbreaks of enteric illness.a. How in the course of water analysis and treatment might thesepathogens be missed?b. Why is there less tolerance for a fecal coliform in drinking orrecreational water than for other bacteria?Which of the following types of antimicrobial drugs make microbes more susceptible to osmotic pressure? 1) drugs that inhibit nucleic acid synthesis O 2) drugs that inhibit metabolic pathways 3) drugs that inhibit cell wall synthesis 4) drugs that block a pathogen's recognition of its host 5) drugs that inhibit protein synthesis
- Microorganisms are involved in each of the following processes EXCEPT infection fog production decomposition of organic materials O food production oxygen productionName two methods of control of growth for Mycobacterium tuberculosis pathogen in a patient with the disease and when confronted with the pathogen outside of the host. Be careful to specify if it is a physical method or a chemical method (check lecture to differentiate these two). Control of growth means how would you deal with an infection related to a person as well as how would you minimize the presence of the bacteria on a surface or object.ITEM MSM MICROBIAL PROFILE I MICROORGANISM/CAUS ATIVE AGENT A GRAM REACTION B OXYGEN REQUIREMENT с SIZE SHAPE HABITAT DISCOVERY G MICROSCOPIC IMAGE || | DISEASE PROFILE DISEASE/S A B SYMPTOMS OF THE DISEASE C INCUBATION PERIOD D MODE OF TRANSMISSION DIAGNOSIS TREATMENT PREVENTION NO OF DAYS BEING SYMPTOMATIC I IMAGE OF INFECTED PATIENT DEFG EFGH G PROFILE Haemophilus ducreyi