Question

Humoral immunity results in the production of

a.) killer T cells.
c.) antibodies.
b.) antigens.
d.) macrophages.

Answer 1

Humoral immunity is a means by which the body protects itself from infection by producing antibodies that target foreign material in the bloodstream that is seen as potentially dangerous, marking it for destruction. It is part of the adaptive immune system, which is activated in response to a specific threat, as opposed to the innate immune system, which is continually active but less effective. The other part of the adaptive system is cellular, or cell-mediated, immunity, in which cells release toxins to kill invaders or attack them directly, without the involvement of antibodies. Together, humoral and cellular immunity are designed to defend the body against a wide variety of threats that could compromise it.

Answer 2

Results in production of proteins called “immunoglobulins” or “antibodies”.
Body exposed to “foreign” material termed “antigen” which may be harmful to body: virus, bacteria, etc.
Antigen has bypassed other protective mechanisms, ie, first and second line of defense.
from my lecture notes

Answer 3

so the answer is C: antibodies

Answer 4

\(In~Short~!!\)

\(T\)he adaptive immune system evolved in early vertebrates and allows for a stronger immune response as well as immunological memory, where each pathogen is "remembered" by a signature \(Antigen\). \(The~adaptive~immune~response~is~antigen-specific\) and requires the recognition of specific "non-self" antigens during a process called antigen presentation. Antigen specificity allows for the generation of responses that are tailored to specific pathogens or pathogen-infected cells. The ability to mount these tailored responses is maintained in the body by "memory cells".
\(Ref:\) http://en.wikipedia.org/wiki/Immune_system

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