Which of the following is not part of the vertebrate innate immun...

Question

Which of the following is not part of the vertebrate innate immunity defense?
a. macrophages
b. antibodies
c. complement system
d. inflammation

Accepted Answer

Hi everyone. Let's look at our next question. It says which type of immunity is present since birth? When we think about something present since birth we probably think of the word innate And indeed we see innate immunity as here's choice A and that will be our answer. Innate immunity is non learned. And here we don't mean learned like in school but learned by previous encounter with various pathogens or foreign bodies. And so the baby hasn't encountered these things on its own yet. So it hasn't learned a specific response to previous encounter things. So innate immunity is non learned and it's a non specific no antibodies, no memory cells involved and therefore involves sort of barriers to infection like the skin and mucous. And the presence of license times that come along and just ingest things that recognizes the foreign body but not specific to certain antigens. So let's just look at our other answer choices. Choice B is adaptive immunity and this is the other type of immunity versus an eight. Uh It is learned based on previous exposure and it is specific with antibodies that bind to specific antigens that already been encountered. So that's not our answer choice. And then we look at choice C. And Choice D. We have Hugh moral immunity and cell mediated immunity. Um Well these are the two parts of adaptive immunity. There's two elements of that Hugh moral meaning in the bodily fluids and that's antibody mediated involving those B cells that secrete antibodies and cell mediated immunity does not involve antibodies that things like side to talk to T cells and NK cells that come along and destroy foreign cells but don't have antibodies. But again, the moral and cell mediated are the two aspects of adaptive immunity. So they are not our answer choices. They are not innate immunity, so which type of immunity is present since birth choice? A innate immunity.

Which of the following is not part of the vertebrate innate immunity defense? a. macrophages b. antibodies c. complement system d. inflammation

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