Immunity
Immunity ( 54 Questions)
Lymphocytes are a type of white blood cell and a critical component of the immune system. They include B cells, T cells, and natural killer cells, which play essential roles in immune responses.
Antigens are molecules or substances that can trigger an immune response in the body. They are recognized by the immune system as foreign or non-self and can elicit the production of antibodies.
Hormones are chemical messengers produced by the endocrine system to regulate various physiological processes in the body. While the endocrine system and immune system can influence each other's activities, hormones are not considered a direct component of the immune system.
Antibodies are proteins produced by B cells in response to the presence of antigens. They play a vital role in recognizing and neutralizing foreign substances in the body.
Explanation: Hormones are chemical messengers produced by the endocrine system to regulate various physiological processes in the body. While the endocrine system and immune system can influence each other's activities, hormones are not considered a direct component of the immune system.
Incorrect choices:
a. Lymphocytes are a type of white blood cell and a critical component of the immune system. They include B cells, T cells, and natural killer cells, which play essential roles in immune responses.
b. Antigens are molecules or substances that can trigger an immune response in the body. They are recognized by the immune system as foreign or non-self and can elicit the production of antibodies.
d. Antibodies are proteins produced by B cells in response to the presence of antigens. They play a vital role in recognizing and neutralizing foreign substances in the body.