MCQ IN MEDICINE

MEDICINE MCQ

INFECTIOUS DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An antibody is
A
a blood protein produced in response to an antigen
B
not a body
C
an immune defense to viruses only
D
the cells responsible for attacking and defeating healthy tissue.
Explanation: 

Detailed explanation-1: -A protein made by plasma cells (a type of white blood cell) in response to an antigen (a substance that causes the body to make a specific immune response). Each antibody can bind to only one specific antigen. The purpose of this binding is to help destroy the antigen.

Detailed explanation-2: -antibody, also called immunoglobulin, a protective protein produced by the immune system in response to the presence of a foreign substance, called an antigen. Antibodies recognize and latch onto antigens in order to remove them from the body.

Detailed explanation-3: -An antibody is a protein component of the immune system that circulates in the blood, recognizes foreign substances like bacteria and viruses, and neutralizes them.

Detailed explanation-4: -Blood serum protein produced in response to injected antigens is Anti-body. Antibodies (also called immunoglobulins) are large Y-shaped proteins. They are found in the blood or other body fluids of vertebrates.

Detailed explanation-5: -Antibodies are naturally produced by plasma cells within the human body to mediate an adaptive immune response against invading pathogens.

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