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Active (your body produces the t-cells and b-cells):

Natural- by means of infection

Artificial -

Passive- (develops in another person and is transferred):

Natural - maternal

Artificial - immunization

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14y ago

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List and describe 4 ways antibodies aid in immunity?

There are four types of antibodies that aid in immunity. The Lysins bind the antigens therefore causing them to disintegrate. The Agglutinins bind the antigens causing the micro-organisms to clump together. The Antitoxins bind the toxins therefore making them harmless to the body. The Opsonins bind the antigens on the outer surface.


How did the Popes acquire so much power and name 4 ways in which this happened?

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Why does passive immunity usually not last for long?

When you have immunity, your body has antibodies against a foreign organisms (i.e. bacteria and virus) . Usually this is achieved by exposure to these organisms. That is: 1. you get an infection (or vaccination with inactive parts of a bacteria or virus), 2.your body defeats the invader, 3. some of the cells in your body "remember" which antibodies they produced , 4. next time you are exposed to the same foreign organism, these cells quickly produce antibodies so you won´t get ill (i.e. you are immune) When you have passive immunity, it usually is due to a vaccination with antibodies. Your body hasn´t produced the antibodies on its own. So once the antibodies become too old and inactive, you are not immune any longer, and when you encounter the foreign organism again, it will be like a novel infection, because it has no memory cells, which can respond quickly.


Why does passive immunity usually not last for very long?

When you have immunity, your body has antibodies against a foreign organisms (i.e. bacteria and virus) . Usually this is achieved by exposure to these organisms. That is: 1. you get an infection (or vaccination with inactive parts of a bacteria or virus), 2.your body defeats the invader, 3. some of the cells in your body "remember" which antibodies they produced , 4. next time you are exposed to the same foreign organism, these cells quickly produce antibodies so you won´t get ill (i.e. you are immune) When you have passive immunity, it usually is due to a vaccination with antibodies. Your body hasn´t produced the antibodies on its own. So once the antibodies become too old and inactive, you are not immune any longer, and when you encounter the foreign organism again, it will be like a novel infection, because it has no memory cells, which can respond quickly.


How can antibodies be transferred from a woman to a fetus and a baby?

As found in Wikipedia Maternal passive immunity is a type of naturally acquired passive immunity, and refers to antibody-mediated immunity conveyed to a fetus by its mother during pregnancy. Maternal antibodies (MatAb) are passed through the placenta to the fetus by an FcRn receptor on placental cells. This occurs around the third month of gestation.[2] Immunoglobulin G is the only antibody isotype that can pass through the placenta.[2] Immunization is often required shortly following birth to prevent diseases such as tuberculosis, hepatitis B, polio, and pertussis, however, maternal antibodies can inhibit the induction of protective vaccine responses throughout the first year of life. This effect is usually overcome by secondary responses to booster immunization.[3] Passive immunity is also provided through the transfer of IgA antibodies found in breast milk that are transferred to the gut of the infant, protecting against bacterial infections, until the newborn can synthesize its own antibodies.[4] The Maternal Antibodies transferred have a half-life of approximately 14 days, and thus only have an effect for the first months.


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.


What are the ratings and certificates for Highlander - 1992 Diplomatic Immunity 6-4?

Highlander - 1992 Diplomatic Immunity 6-4 is rated/received certificates of: Argentina:13


The T cells are responsible for 1 humoral immunity 2 cell-mediated immunity 3 generalized immune response 4 allergies?

Cell-mediated immunity. T cells play a key role in cell-mediated immunity by directly attacking infected cells or coordinating the immune response.


What occurs when your body already contains antibodies against an infection due to previous exposure?

How do antibodies make antigens useless? (1 point)(1 pt) by attaching to them(0 pts) by dissolving them(0 pts) by covering them with carbon dioxide(0 pts) by hiding them1 /1 point2.___________________ occurs when your body already contains antibodies against an infection due to previous exposure. (1 point)(0 pts) Passive immunity(0 pts) Acquired immunity(1 pt) Active immunity(0 pts) Inherited immunity0 /1 point3.Which of the following best describes passive immunity? (1 point)(0 pts) short-term protection(0 pts) is passed from mother to baby(0 pts) forms in another animal and is introduced into your body(1 pt) all of the above1 /1 point4.What do the white blood cells produce which immobilizes pathogens? (1 point)(1 pt) antibodies(0 pts) pathogens(0 pts) antigens(0 pts) immunity1 /1 point5.When your body fights against disease, it is battling against ________________ . (1 point)(1 pt) antigens(0 pts) antibodies(0 pts) hormones(0 pts) mutant lymphocytes1 /1 pointThe final score is 4/5 (80%).


Where was polio prevalent?

Everywhere, but did not exhibit in epidemics until late 1800s after cities were cleaned up enough that children under 4 no longer were regularly exposed and naturally acquire lifetime immunity (in children under 4 the disease usually manifests in a milder nonparalytic form, in teens and adults the disease is much more severe and more likely to paralyze). Without natural immunity, when large enough groups of teens and adults accumulated the virus could spread like wildfire resulting in epidemics and serious symptoms.


Define serum titer?

A titer is a quantifiable measure of specific antibodies in a serum that combines the effects of concentration and affinity. It is determined by serially diluting a sample or serum in tubes or in a multiple-welled micro-titer plate and mixing it with antigen. It is the Maximum dilution of the serum that holds "++" agglutination. For instance if you have 2 tube with "++" and different titre like 3:160 and 4:320 the titer of the serum will be 4:320


What are the release dates for The Dr- Oz Show - 2009 Dr- Oz's 4-Step Plan to Boost Your Immunity 4-171?

The Dr- Oz Show - 2009 Dr- Oz's 4-Step Plan to Boost Your Immunity 4-171 was released on: USA: 15 July 2013