(Get Answer)

Which of the following immune mechanisms is most effective in eliminating helminthic worms?

(A) Cytotoxic T cell mediated killing

(B) NK cell mediated killing

(C) Antibody Dependent cellular cytotoxicity

(D) Opsonization and phagocytosis

(E) Neutralization
Step 1/2

Cytotoxic T cell mediated killing:-
By instructing their targets to undergo apoptosis, cytotoxic T lymphocytes kill their prey .Cytotoxic T cells can instruct antigen-specific target cells to die within 5 minutes of coming into contact with them when they are mixed with target cells and quickly brought into contact by centrifugation, albeit the death may take hours to become completely visible. Effect in Eliminating Helminthic Worms Essay Example
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NK cell mediated killing:-
Natural killer (NK) cells hunt down and eliminate abnormal cells, including tumor-causing and virally contaminated cells. Cytotoxic chemicals that are held in secretory lysosomes, a specific exocytic organelle found in NK cells, are what cause killing.

Antibody Dependent cellular cytotoxicity:-
A process of cell-mediated immune defence known as antibody-dependent cellular cytotoxicity, sometimes known as antibody-dependent cell-mediated cytotoxicity, involves an immune system effector cell actively lysing a target cell whose membrane-surface antigens have been bound by particular antibodies.

Step 2/2

Opsonization and phagocytosis:-
Pathogens are designated for phagocytosis through a process called antibody opsonization. Under normal inflammatory conditions, microbial pathogen-associated molecular patterns attach to the endocytic pattern recognition receptors of phagocytes, mediating neutrophil mediation or macrophage phagocytosis

Neutralization:-
A chemical process known as

Expert Answer

Which of the following immune mechanisms is most effective in eliminating helminthic worms? (A) Cytotoxic T cell mediated killing (B) NK cell mediated killing (C) Antibody Dependent cellular cytotoxicity (D) Opsonization and phagocytosis (E) Neutralization

Step 1/2

Cytotoxic T cell mediated killing:-

By instructing their targets to undergo apoptosis, cytotoxic T lymphocytes kill their prey .Cytotoxic T cells can instruct antigen-specific target cells to die within 5 minutes of coming into contact with them when they are mixed with target cells and quickly brought into contact by centrifugation, albeit the death may take hours to become completely visible. Effect in Eliminating Helminthic Worms Essay Example

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NK cell mediated killing:-

Natural killer (NK) cells hunt down and eliminate abnormal cells, including tumor-causing and virally contaminated cells. Cytotoxic chemicals that are held in secretory lysosomes, a specific exocytic organelle found in NK cells, are what cause killing.

Antibody Dependent cellular cytotoxicity:-

A process of cell-mediated immune defence known as antibody-dependent cellular cytotoxicity, sometimes known as antibody-dependent cell-mediated cytotoxicity, involves an immune system effector cell actively lysing a target cell whose membrane-surface antigens have been bound by particular antibodies.

Step 2/2

Opsonization and phagocytosis:-

Pathogens are designated for phagocytosis through a process called antibody opsonization. Under normal inflammatory conditions, microbial pathogen-associated molecular patterns attach to the endocytic pattern recognition receptors of phagocytes, mediating neutrophil mediation or macrophage phagocytosis

Neutralization:-

A chemical process known as "neutralization" occurs when an acid interacts with a base or alkali to produce salt and water. Water is created during the reaction between the H+ hydrogen ions in the acid and the OH- (hydroxide) ions in the basic solution, which is how neutralisation takes place.

Final answer

Final answer :- (D) Opsonization and phagocytosis.

For better understanding go through steps first and Second. Effect in Eliminating Helminthic Worms Essay Example

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