Based on the following data, which bacteria is most likely a human pathogen? Bacteria E.coli S. marcescens B. Stearothermophilus S. marcescens E. coli B. Stearothermophilus None are human pathogens Absorbance Val 0.01 0.04 0.01 4 C
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- A boy with advanced Duchenne muscular dystrophy developedpulmonary edema (accumulation of fluid in the lungs) and pneumoniacaused by a bacterial infection. His physician diagnosed the conditionin the following way: The pulmonary edema was the result of heartfailure, and the increased fluid in the lungs provided a site wherebacteria could invade and grow. The fact that the boy could notbreathe deeply or cough effectively made the condition worse. Howwould the muscle tissues in a boy with advanced DMD differ from themuscle tissues in a boy with less advanced DMD?A patient has bloody diarrehea and takes left over penicllin in a medicne cabinet. The culprit causing the infection turns out to be E. coli of a hemorrahgic variety that is Penicllin resistant. Why is the patient is worse condition now?Match the description listed below to the correct bacterium. Grows in intestine of ruminants like cows. [Choose ] Can be found in raw milk. If ingested, can cause spontaneous miscarriage in women, neonatal sepsis and meningitis [Choose ] Listeria monocytogenes_ Can grow in high salt environments. Makes a Staphylococcus aureus_ heat stable enterotoxin Campylobacter_ When the toxin this pathogen makes is _Vibrio cholerae_ ingested, can cause "projectile vomiting" Streptococcus pyogenes_ Can grow as a mesophile in humans, but also can grow as a psychrophile in refrigerators [ Choose ] A leading cause of food-borne infections, grows on fecal contaminated raw poultry (e.g. raw chicken), forming a biofilm. A [Choose ] microaerophile Question 41 How can Clostridium tetani survive in aerobic environments?
- Hepatitis B Virus is 42nm in diameter. Sacromyces cervisiae (a yeast) has a diameter of 4um in length. Staphylococcus aureus (bacteria) are 0.001mm in diameter. Put the three microbes in order from smallest to largest. Hepatitis B, S. cervisiae, S. aureus Hepatitis B, S. aureus, S. cervisiae, S. aureus, Hepatitis B, S. cervisiae, S. cervisiae, Hepatitis B, S. aureus S. cervisiae, S. aureus, Hepatitis B, S. aureus, S. cervisiae, Hepatitis BPropionibacterium acnes is a normal member of the skin microbiome that benefits the body by lowering the skin's pH- an antimicrobial effect. However, P. acnes is also the leading cause of acne. Explain mechanistically how can a bacterium be normal and beneficial but also be pathogenic?A student argues that it makes no sense to be concerned about coliforms in drinking water because they are harmless members of our normal microbiota. Explain why regulatory agencies are concerned about coliforms.
- In July 2015, a report was released indicating the gram-negative bacterium Pseudomonas aeruginosawas found on hospital sinks 10 years after the initial outbreak in a neonatal intensive care unit. unit. aeruginosa usually causes localized ear and eye infections but can cause pneumonia or septicemia in vulnerable individuals like newborn babies. Explain how presence of this reported P. aeruginosa could lead to a recurrence of nosocomial disease. Would infection from this pathogenic species be considered a primary or opportunistic?Which aspects of a microbial disease make it more likely to cause an outbreak? In other words, what advantages do these microbes have that others do not? Use an example of at least one outbreak in your description. 2. What measures are taken in the United States to prevent outbreaks from occurring? 3. What disease not prevalent in the United States do you think has the potential of causing a major outbreak in the United States? Name at least one reason to support your assertion.This is a figure from a recent paper comparing different bacterial pathogen strains. What is being compared in this figure? 810 820 830 ATCAAACAGGATTAGATACCCTGGTAGTCCACGC ATCAAACAGGATTAGATACCCT GGTAGTCCACGC AGCAAACAGGATTAGATACCCTGGTAGTCCACGC AGCAAACAGGATTAGATACCCTGGTAGTCCACC AGCAAACAGGATTAGATACCCTGGTAGTCCACC AGCAAACAGGATTAGATACCCTGGTAGTCCACGC AGCAAACAGGATTAGATACCCTGGTAGTCCACGC AGCAAACAGGATTAGATACCCTGGTAGTCCACGC AGCAAACAGGATTAGATACCCTGGTAGTCCACGC ATCAAACAGGATTAGATACCCTGGTAGTCCACAC Staphylococcus aureus Staphylococcus epidermidis Enterococcus faecalis Streptococcus pneumoniae Escherichia coli Enterobacter cloacae Klebsiella pneumoniae Pseudomonas aeruginosa Haemophilus influenzae Bacteroides fragilis Polypeptides Proteins DNA RNA Amino acids
- ITEM 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 ducreyiwrite a brief summary on the KPC bacteria, What clinical significance does this organism have for humans? (What disease/infections does it cause in humans?) What is the mode of transmission to humans? (How do you get an infection with this organism?) What is the worldwide geographic distribution for this organism? (Where is it found, have there been any reported cases or outbreaks lately?)Which of the following is a comma-shaped, Gram-negative bacterium that acts as a predator on other Gram-negative bacteria, and might be used to control populations of Gram-negative human pathogens in locations such as poultry farms? O Norovirus OBdellovibrio O E coli Vibrio choeroe O Salmonella enteritidis DQuestion 42