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Multiple Choice
Which of the following is not considered a reservoir of infection in the human body?
A
Blood
B
Lymph nodes
C
Skin
D
Nervous tissue
Verified step by step guidance
1
Understand the concept of a reservoir of infection: A reservoir of infection is any person, animal, plant, soil, or substance in which an infectious agent normally lives and multiplies. It is from the reservoir that the infectious substance is transmitted to a susceptible host.
Identify common reservoirs of infection in the human body: Blood, lymph nodes, and skin are known to harbor infectious agents. Blood can carry pathogens like viruses and bacteria. Lymph nodes are part of the immune system and can contain infectious agents. Skin can be a reservoir for bacteria and fungi.
Consider the role of nervous tissue: Nervous tissue is primarily involved in transmitting signals throughout the body and does not typically serve as a reservoir for infectious agents. It is not a common site for pathogens to live and multiply.
Evaluate the options given: Blood, lymph nodes, and skin are all known to be reservoirs of infection. Nervous tissue, however, is not typically considered a reservoir of infection.
Conclude which option is not a reservoir: Based on the understanding of reservoirs of infection, nervous tissue is not considered a reservoir of infection in the human body.