Real-World Application: Chain of Infection Before someone shows the signs and symptoms of an infection, a process involving six steps must occur. This process is called the chain of infection. This activity will highlight the steps in the chain of infection to provide you with an understanding of how the process works. Fill in the missing blanks to complete the chain of infection. 1. Infectious Agent: An infectious agent is any microorganism that has the ability to cause disease. These agents are able to cause disease because they are invasive, virulent, and pathogenic. List a few microorganisms that are capable of being infectious agents and fall into the following categories. Virus Bacteria Fungi Protista Prion
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Bacteria: These are single-celled microorganisms that can cause various diseases. Some examples of infectious bacteria are Streptococcus pneumoniae (causing pneumonia), Escherichia coli (causing food poisoning), and Staphylococcus aureus (causing skin infections). Show more…
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Real-World Application: Chain of Infection Before someone shows signs and symptoms of an infection, a process involving certain signs must occur. This process is called the chain of infection. This activity will highlight the steps in the chain of infection and provide you with an understanding of how the process works. In the missing blanks, complete the chain of infection. Infectious Agent: An infectious agent is any microorganism that has the ability to cause disease. These agents are able to cause disease because they are invasive and pathogenic. List a few microorganisms that are considered infectious agents and fall into the following categories: Bacteria Protista Protozoa Viruses Fungi
Adi S.
Infections have varied patterns as defined by their characteristic or location. Rearrange the definitions below to match their proper infection. - Local infection: Organism enters the body and is confined to that location. - Systemic infection: Pathogen spreads from a local infection to other tissues. - Secondary infection: Infection spreads to other locations, including the circulatory system. - Acute infection: Short-lived infection that appears rapidly; severe symptoms. - Chronic infection: Infection continues for a longer period; less severe symptoms. - Mixed infection: Several pathogens concurrently establish themselves at the same time. - Primary infection: Initial or first-time exposure. - Subclinical infection: Does not cause apparent signs or symptoms; may persist over a long period of time. - Focal infection: Follows a primary infection and is caused by a pathogen other than that which caused the primary infection.
Madhur L.
12. What important function does the blood-brain barrier serve? How might this barrier be problematic at times? 13. Explain how tetanospasmin functions to cause disease. 14. The most common causes of bacterial meningitis can be the result of infection by three very different bacteria. Which bacteria are they and how are these microbes similar to each other? 15. Explain how infant botulism is different than foodborne botulism. 25: Genitourinary tract infections: 1. (on an attached sheet) Name the bacterial, virial and protozoan infections and their causative agents a. Bacterial infections: - urinary - genital b. Sexually transmitted infections: - Bacterial - Viral - protozoal 2. The genus of bacteria found in the vagina that is important in maintaining a healthy environment, including an acidic pH, is
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