Multiple Choice
Which of the following microorganisms commonly colonize portions of the human respiratory tract?
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1. Introduction to Microbiology
Members of the Bacterial World
Multiple Choice
Salmonella and Shigella are examples of which risk group agents?
A
Risk Group 4
B
Risk Group 2
C
Risk Group 3
D
Risk Group 1
Verified step by step guidance1
Understand that risk groups classify microorganisms based on their pathogenicity, transmissibility, and availability of preventive measures or treatments.
Recall that Risk Group 1 includes agents not associated with disease in healthy adult humans, while Risk Group 4 includes agents that cause severe or fatal disease with no available treatment.
Recognize that Risk Group 2 agents are those that can cause human disease but are unlikely to be a serious hazard; effective treatment and preventive measures are usually available.
Identify that Salmonella and Shigella are bacteria that cause disease in humans but generally can be managed with proper treatment and precautions, fitting the criteria for Risk Group 2.
Conclude that Salmonella and Shigella belong to Risk Group 2 based on their pathogenicity and the availability of control measures.
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