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What mode of transmission occurs when respiratory or salivary secretions containing pathogens, such as tuberculosis bacteria, are expelled from the body?

A. Direct contact
B. Droplet transmission
C. Aerosol transmission
D. Vector-borne

Answer :

Final answer:

The mode of transmission described in the question is known as droplet transmission. This occurs when respiratory or salivary secretions containing pathogens are expelled and can infect others. It is essential to maintain proper hygiene practices to prevent the spread of such infections.


Explanation:

Understanding Modes of Transmission

The scenario described in the question refers to how certain pathogens, such as the bacteria that cause tuberculosis, are expelled from an infected individual through respiratory or salivary secretions. This situation is characteristic of Droplet Transmission, which is one of the primary modes of disease transmission.

Droplet transmission occurs when an infected person coughs, sneezes, or talks, releasing tiny droplets into the air that can carry infectious agents. These droplets typically travel only a short distance (usually less than 6 feet) before falling to the ground or landing on surfaces. If another person inhales these droplets or if they come into contact with surfaces where the droplets have landed, they can become infected.

In contrast to droplet transmission, Aerosol Transmission involves smaller particles that can remain suspended in the air for longer periods and can travel greater distances. Direct Contact involves physical contact with an infected person or their bodily fluids, while Vector-borne transmission refers to pathogens being spread by vectors like mosquitoes or ticks.

Conclusion

Therefore, the correct answer to the question is B. Droplet transmission.


Learn more about Transmission of Infectious Diseases here:

https://brainly.com/question/34694616


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