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- a) What are the uses of buffy coat? b) What is the clinical significance of determining the packed cell volume? *kindly answer all questions. thank you!Explain how the body (including cells, organs, organ systems) is affected by the bacterium called Neisseria meningitidis? Are there any long-term effects caused by the bacterium, even after recovery?pls explain as well
- Provide picture of the following microorganisms: 1. a. Cyst form (Early stage) of Escherichia coli b Adult form of Escherichia coli 2. a. Cyst form (Early stage) of Salmonella sp. b Adult form of Salmonella sp. 3. a. Cyst form (Early stage) of Neisseria gonorrhoeae b Adult form of Neisseria gonorrhoeae 4. a. Cyst form (Early stage) of Clostridium tetani b Adult form of Clostridium tetania. Why is listeriosis a serious problem even with refrigerated foods?b. Which groups are most at risk for serious complications?Give typing answer with explanation and conclusion What challenge does the presence of normal microbiota present in the definitive diagnosis and treatment of infection? a) Normal microbiota reduce the effectiveness of treatment b) Normal microbiota often resemble other pathogenic microbes. c) Normal microbiota often grow similarly to other pathogenic microbes. d) Normal microbiota often exhibit similar biochemical properties to other pathogenic microbes. *Please note there may be more than one correct response to this question.
- Normal microbiota provide protection from infection in each of the following ways EXCEPT: Question 3 options: A) they produce antibacterial chemicals. B) they compete with pathogens for nutrients. C) they make the chemical environment unsuitable for nonresident bacteria. D) they produce lysozyme.Define the following terms: a. endotoxin b. periplasmic space c. slime layer d. lipopolysaccharide e. pilusExplain about Haemophilus influenzae ?
- Which of the following is NOT true about dental plaque?(a) It is an intermittently formed coating of microbes andorganic matter on tooth surfaces that serve as the firststep in tooth decay and gum disease.(b) It begins as positively charged salivary proteins adhereto negatively charged enamel surfaces, forming a pellicle(film) over the tooth surface.(c) Streptococcus mutans attaches to the pellicle where ithydrolyzes sucrose to fructose and glucose, or polymersof glucose that serve as bridges, holding together cells inplaque.(d) Plaque consists of up to 30 different genera of bacteriaand their products, such as polymers of glucose (dex-tran), saliva proteins, and minerals.(e) Plaque that is allowed to accumulate in crevices near thegumline can change into anaerobic pockets full of bacte-ria that can irritate the gums or destroy underlying bone.Describe a plasmodesmaGive and explain the process and function and how does fluid mosaic work.