DannyOk
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The skin is the first line of defense in preventing penetration by infectious agents. However, the skin can be bypassed. Which of the following scenarios allows an infectious agent to enter the body without damaging the skin?
A.
A person is infected with malaria when a mosquito bite punctures his skin.
B.
A girl gets a staph infection when she falls and scrapes her knee.
C.
A boy is infected with rabies when a dog bites his leg.
D.
Bacteria on food is ingested through the mouth.

Respuesta :

The skin is the first line of defense in preventing penetration by infectious agents. However, the skin can be bypassed. Bacteria on food is ingested that is through the mouth is a scenario that allows an infectious agent to enter the body without damaging the skin.

The line of defense protects and defends the body and its parts. Entry of bacteria through food and mouth is without the involvement of the skin.

What is a line of defense?

A line of defense is the organs and certain chemical substances that provide, protection and immunity against the entry of foreign microorganisms.

They inhibit the microorganism or pathogens to enter and infect the body through the secretion of eyes, mucus, urine, skin, white blood cells, tears, etc.

Entry of malarial pathogen through a mosquito bite, a staph infection, and infection of rabies all include a skin for the entry, but ingestion of bacteria on food via mouth does not include skin.

Therefore, option D. ingestion of bacteria on food via mouth does not damage the skin.

Learn more about the line of defense here:

https://brainly.com/question/17709931