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How many antibodies will the body produce a second time a pathogens is contacted?
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What is bodies second line of defense against pathogens?
the body's second line of defense against pathogens is the B cells.
What is the meaning of secondary standard?
it means that u decide what the standards are second (so if for some reason the 1st person who decides the standards cant be contacted u get contacted second
How does your body protect itself from pathogens?
Firstly if your body gets infected with an unknown pathogen then it will build a memory so next the pathogen that infect the body will automatically eliminated and second how the body gets rid of the pathogen is by sending antibodies or whiteblood cells to kill the invaders
What are lymphocytes-?
Lymphocytes are one of the two varieties of white blood cells or leukocytes in the Human body.
What happens to the antibody concentration after the second exposure?
The concentration of the antibodies skyrockets
What happens if an Rh neg person receives Rh positive blood?
the body will produce the anti D- antibodies which are going to attack the RH+ blood of the donor usually the first time is not a threat since the formed antibodies are IgM class which has a very low conc. the second time is very dangerous due to the formation of memory cells that are activated in the second blood transfusion leading to the production of IgG antibodies in very high conc. leading to the agglutination of the blood and severe anemia
Can you get Measles?
Nope - the antibodies you produce when you first catch the infection stay with you for life. Although you might 'catch' the disease again from a second exposure, your body is equipped to deal with it - and you would normally never realise you've been exposed.
What is the function of the plasma cell?
produce antibodies Plasma cells are antibody-manufacturing cells derived from B lymphocytes, following their activation by an antigen. They are responsible for humoral immunity - immunity conferred by antibodies present in the blood plasma. Plasma cells are capable of synthesising and secreting antibodies at a rate of 2000 molecules per second. Each cell will only synthesise and secrete one type of antibody. This antibody will bind specifically to the antigen that initially activated the precursor B lymphocyte. Plasma cells will synthesise and secrete antibody molecules over their short life span of 4 to 5 days. The secreted antibodies circulate in the blood or lymph and bind to their complementary antigen, thus marking them for destruction by other mechanisms.
Which of the following best describes the function of the IAMMUNE SYSTEM?
Prevents the invasion of of pathogen into the body and acts as the first and second line of defence Agianst pathogens
The body's main defense against pathogens is the?
the body's second line of defense against pathogens is the B cells.
What are two types of immune respones in the second line of defence?
The body has three main lines of defense against pathogens. They are as follows:First line of defense: Skin, Mucous membranes, and Secretions of skin and mucous membranesSecond line of defense: Phagocytic white blood cells, Antimicrobial proteins, and the Inflammatory responseThird line of defense: Lymphocytes, and Antibodies
How does the skin stop pathogens from entering the body?
The skin den the second layer is the phagocyte. These are the barriers of the skin.
