You are working for the CDC studying outbreaks of foodborne infectious disease. Your latest case is an incidence of food poisoning in a fast food restaurant. 5 people have been hospitalized for food poisoning, so you are working with that hospital to identify the source of the outbreak. Hospital clinicians have taken samples from each of the 5 patients for culturing. Each bacterial culture grew one likely microbe, each labelled P1, P2, P3, P4, and P5. All 5 isolates appear to have the same colony morphology on the plates, and all appear to be Gram-negative rods 1 micron wide and 3 microns long under the microscope. In addition, all 5 isolates appear to perform the same on an API 20E test strip that tests bacteria for 20 biochemical abilities. No other testing has been done yet. How would you best describe your set of isolates at this moment?
You are working for the CDC studying outbreaks of foodborne infectious disease. Your latest case is an incidence of food poisoning in a fast food restaurant. 5 people have been hospitalized for food poisoning, so you are working with that hospital to identify the source of the outbreak. Hospital clinicians have taken samples from each of the 5 patients for culturing. Each bacterial culture grew one likely microbe, each labelled P1, P2, P3, P4, and P5. All 5 isolates appear to have the same colony morphology on the plates, and all appear to be Gram-negative rods 1 micron wide and 3 microns long under the microscope. In addition, all 5 isolates appear to perform the same on an API 20E test strip that tests bacteria for 20 biochemical abilities. No other testing has been done yet. How would you best describe your set of isolates at this moment?
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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Concept explainers
Microscopic examination
The analysis of minute organisms, cellular organization of any biological structure, and composition of body fluids with the help of a microscope is known as microscopic examination. The magnification of specimens or samples under study helps in attaining a clearer picture of it.
Gram Staining
Named after Hans Christian Gram, a Danish bacteriologist, Gram stain is one of the most powerful staining techniques within microbiology. This technique was introduced in 1882 to identify pneumonia-causing organisms. The Gram staining technique uses crystal violet or methylene blue as primary staining colors to distinguish gram-positive from gram-negative organisms. Under a microscope, the gram-positive organisms appear purple-brown, retaining the primary color. Gram-negative organisms appear pink or red as they do not acquire the color of the primary stain.
Question
Transcribed Image Text:You are working for the CDC studying outbreaks of foodborne infectious disease. Your latest case is
an incidence of food poisoning in a fast food restaurant. 5 people have been hospitalized for food
poisoning, so you are working with that hospital to identify the source of the outbreak.
Hospital clinicians have taken samples from each of the 5 patients for culturing. Each bacterial
culture grew one likely microbe, each labelled P1, P2, P3, P4, and P5. All 5 isolates appear to have
the same colony morphology on the plates, and all appear to be Gram-negative rods 1 micron wide
and 3 microns long under the microscope. In addition, all 5 isolates appear to perform the same on
an API 20E test strip that tests bacteria for 20 biochemical abilities. No other testing has been done
yet.
How would you best describe your set of isolates at this moment?
O Each isolate is the same strain, of a different species
O Each isolate is a different strain, of different species
O Each isolate is a different strain, of the same species
O Each isolate is the same strain, of the same species
Expert Solution
Step 1: foodborne bacterial diseases
Foodborne bacterial diseases are a major concern worldwide and the cause of the infection information is very important to control it's spread
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