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List the scientific names of 2 microbes harbouring in the human intestine.
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- Characterize and give a brief description of the following bacteria: Salmonella enteritis Yersina PestisSome bacteria, protozoa, and viruses that cause foodborne illness are: E.coli, Salmonella Norovirus Staphylococcus aureus Clostridium botulinum Campylobacter Clostridium perfringens Hepatitis A. Giardia (mainly water) Listeriosis Select two (2) of the foodborne illnesses listed above and report the following information for each. Disease name and whether it is a bacteria, protozoa, or virus Type of contamination (infection or intoxication) Infectious pathway Possible sources and foods affected Symptoms Incubation period Treatment Current Statistics, how many affected, where, when etc.In 2005, J. Robin Warren and Barry J. Marshall shared theNobel Prize in Medicine for discovering the bacteriumHelicobacter pylori and for establishing experimental proofthat it plays a major role in gastritis and peptic ulcer disease.The story began when Warren, a pathologist, noticed thatbacilli were associated with the tissues taken from patientssuffering from ulcers. Look up the history of this case and describeWarren’s first hypothesis. What sorts of evidence did ittake to create a credible theory based on it?
- Name four different pathogenic groups of Escherichia coli.Which of the following bacterial species is considered normal flora of the mouth? O 1) Streptococcus mutans 2) Escherichia coli 3) Klebsiella pneumoniae 4) Staphylococcus epidermidisAll of the following pertain to listeriosis, except 1) intrauterine infection usually results in fetal death. 2) enterotoxin of the organism causes symptoms. 3) it causes a serious septicemia and meningitis in the elderly, immunocompromised, and infants. U 4) it causes symptoms of fever, diarrhea, and sore throat. 5) adequate pasteurization and thorough cooking of food can improve prevention.
- Prepare a concept map on the large and diverse family of Enterobacteriaceae. The following are some of the concepts you may connect with a proposition: — general and unique characteristics; — clinical manifestations; — mode of transmission; — virulence factors; — biochemical test results (e.g. oxidase positive)Consider a gram-negative pathogen isolated from marine mammals. This pathogen is subjected to a series of tests and found to have the following characteristics: oxidase-positive, does not hydrolyze urea, produces indole, does not produce acetoin. Which of the following could it be? O Pasteurella mulocida O Klebsiella pneumoniae O Yersinia enterocolitical O Mannheimia haemolyticaName three genera of noncoliform enteric bacteria that are opportunisticpathogens.
- Bacteria: alcaligenes faecalis bacillus megatorium bacillus subtilis citrobacter freundii corynebacterium xerosis edwardsiella tarda enterobacter aerogenes enterobacter cloacae klebsiella pneumoniae kocuria rosea lactobacillus casei morganello morganii proteus mirabilis proteus hauseri providencia rettgeri providencia stuartii psuedomonas fluorescens salmonella enteriditis question: organize the above bacteria into the correct types of bacteria according to the gram stain (gram positive cocci, gram positive bacilli, or gram negative bacilli).Why does Helicobacter pylori cause ulceractions in the lining of the Stomach? 1)The microbes secrete a toxin that prevents the host from detecting invasion of the microbe and thus allows it to thrive in the stomach and damage the host cells. 2)After invasion of the microbe in the cells lining the stomach, they are no longer able to produce mucous to protect the host cells from acid erosion 3)The microbe produces an enzyme that causes the cell to produce potent digestive enzymes that erode the stomach lining. 4)Once the microbe has entered the stomach, it releases digestive enzymes that degrade the mucous secreting cells.What are all the different types of infections the following antibiotic resistant microbes associated with Carbapenme-Resistant Enterobacteriaceae (CRE), Vancomycin-resistant Enterococcus (VRE), Methicillin-Resistant Staphylococcus aureus (MRSA) and Vancomycin-Resistant Staphylococcus aureus (VRSA)?