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Growth on MSA below: - catalase results: (bubbles) What do you think caused the outbreak of projectiler vomitting? O enterotoxin made by Listeria monocytogenes_ O enterotoxin made by _Bacillus cereus_ O enterotoxin made by _Staphylococcus aurues_ O enterotoxin made by Clostridium perfringens_ O enterotoxin made by Staphylococcus enidermidis

Growth on MSA below: - catalase results: (bubbles) What do you think caused the outbreak of projectiler vomitting? O enterotoxin made by Listeria monocytogenes_ O enterotoxin made by _Bacillus cereus_ O enterotoxin made by _Staphylococcus aurues_ O enterotoxin made by Clostridium perfringens_ O enterotoxin made by Staphylococcus enidermidis

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Baker Part 2: Investigation into Illness Outbreak** The next day, the local newspaper reported an outbreak of "projectile vomiting" within the neighborhood surrounding the bakery. Public health microbiologists, through food surveys, discovered all those ill had bought and/or eaten cream pies or cream puffs made by the baker. The public health microbiologists cultured the cream from the cream puffs and pies, with results listed below: - **Blood Agar Plates:** Incubated aerobically. Notable clearing around colonies indicates hemolytic activity. - **Gram Stain:** Revealed round purple cells, indicating Gram-positive bacteria. - **Growth on Mannitol Salt Agar (MSA):** Exhibited growth, suggesting the presence of bacteria capable of tolerating high salt concentrations, often indicative of Staphylococcus species. Each step provides essential insights into identifying the bacterial species responsible for the outbreak.
Transcribed Image Text:**Baker Part 2: Investigation into Illness Outbreak** The next day, the local newspaper reported an outbreak of "projectile vomiting" within the neighborhood surrounding the bakery. Public health microbiologists, through food surveys, discovered all those ill had bought and/or eaten cream pies or cream puffs made by the baker. The public health microbiologists cultured the cream from the cream puffs and pies, with results listed below: - **Blood Agar Plates:** Incubated aerobically. Notable clearing around colonies indicates hemolytic activity. - **Gram Stain:** Revealed round purple cells, indicating Gram-positive bacteria. - **Growth on Mannitol Salt Agar (MSA):** Exhibited growth, suggesting the presence of bacteria capable of tolerating high salt concentrations, often indicative of Staphylococcus species. Each step provides essential insights into identifying the bacterial species responsible for the outbreak.
**Growth on MSA (Mannitol Salt Agar) below:** The image shows a circular petri dish with yellow growth, indicating bacterial colonies. The yellow color suggests fermentation of mannitol by certain bacteria. **Catalase Results:** The image depicts a catalase test result showing bubbles, indicating a positive catalase reaction. This typically signifies the presence of catalase-positive bacteria such as Staphylococcus species. **Question:** What do you think caused the outbreak of projectile vomiting? - ○ Enterotoxin made by *Listeria monocytogenes* - ○ Enterotoxin made by *Bacillus cereus* - ○ Enterotoxin made by *Staphylococcus aureus* - ○ Enterotoxin made by *Clostridium perfringens* - ○ Enterotoxin made by *Staphylococcus epidermidis*
Transcribed Image Text:**Growth on MSA (Mannitol Salt Agar) below:** The image shows a circular petri dish with yellow growth, indicating bacterial colonies. The yellow color suggests fermentation of mannitol by certain bacteria. **Catalase Results:** The image depicts a catalase test result showing bubbles, indicating a positive catalase reaction. This typically signifies the presence of catalase-positive bacteria such as Staphylococcus species. **Question:** What do you think caused the outbreak of projectile vomiting? - ○ Enterotoxin made by *Listeria monocytogenes* - ○ Enterotoxin made by *Bacillus cereus* - ○ Enterotoxin made by *Staphylococcus aureus* - ○ Enterotoxin made by *Clostridium perfringens* - ○ Enterotoxin made by *Staphylococcus epidermidis*
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