Description
Exercise 1
In the area where WHO will assign you, you will need to set up a field lab to investigate outbreaks. You will need to be able to identify the causal microbes in order to decide how to handle the outbreak. Discuss what do you need to know prior to going to the WHO site about techniques for identifying microbes?
Exercise 2
- Conduct an Internet or library search for information on gram stains, when they are used and what they show.
- Design and submit a concept map on what you have learned. It should include concepts and connections between concepts including:
- Microbiology testing techniques
- Types of microbes identified by each techniques
Exercise 3
Activity 1:Diagnosing Ebola - Laboratory Tests
Diagnosing Ebola is often difficult in the early stage, 2 -3 days after becoming infected, because the symptoms are the same as seen in other diseases of the area such as malaria. Diagnosis through testing is determine by a timeline of infection. Make a timeline graphic that shows how Ebola is diagnosed by tests. You will need to do research. You can complete this activity individually or with a team. Make the timeline graphic with pictures and descriptions.
Activity 2: Virtual Lab Gram Stain
Complete the Gram Stain virtual lab
Activity 3: Virtual Lab Bacteriology
Complete the virtual Bacteriology Lab
- Gram Stain
- Streak Plate
- Differential Media
- Biochemical Tests
- Antimicrobial Susceptbility
Activity 4: Case Study
Complete the Case Study: The Case of the Newborn Nightmare
First, Download the case study.
Second, Work through the case, answering all questions.
Explanation & Answer
View attached explanation and answer. Let me know if you have any questions.
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Identifying microbes at the species level is crucial in the subsequent treatment of infectious
diseases. For instance, the bacterial genus helicobacter comprises approximately 35 species,
some of which are part of the normal microflora in human beings but of which can cause serious
health problems that will require the attention of a medical expert. Therefore, in epidemiology, it
is very important to track and trace the spread of diseases and outbreaks and keep a record of
new isolates such as those resistant to antibiotics. Identifying these microorganisms is therefore
important in their management, and it can help assess the threat that particular microbe
possesses. Before working in investigating outbreaks, one needs to know about techniques used
to detect and identify microbes. Traditional identification methods will involve capturing
microorganisms by using a range of selective and nonselective methods of enrichment and
biochemical confirmation. This involves culturing, staining, and other simple biochemical tests.
In contrast, modern techniques involve applying spectroscopic methods such as hyperspectral
imaging protocols and matrix-assisted laser description ionization-time of thought.
Traditional methods for identification of microbes;
Macroscopic features
This is concerned with a microbe's general outlook, including its size, color, shape, and smell.
Morphology of the microorganism can best be seen on agar culture. On agar culture, there is a
bacterium that forms distinct colonies that appear smaller in size than fungal colonies. They
appear dry in texture and slimy, ranging from white to bright red. Bacteria also give a strong
color on agar, while filamentous fungi have an earthy smell or are odorless. Depending on the
type of agar used, yeast can be identified, although they resemble bacterial colonies.
Microscopic features
Identifying microbes using microscopic features is dependent on the feature you are interest...
