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Main differences in o positive,and o negative?
The positive or negative in the blood types refer to the Rh factor, which is an antigen. Antigens trigger immune responses. Being positive or negative for the Rh factor will impact who you can receive a blood donation from, and who you can donate blood to.
Why there is no reaction against Rh factor on first transfusion?
There is no reaction against the Rh factor during the first blood transfusion because the recipient's immune system has not yet been sensitized to the Rh antigens. When Rh-positive blood is transfused into an Rh-negative individual for the first time, their body does not have pre-existing antibodies against the Rh factor, allowing the transfusion to occur without an immediate immune response. However, if an Rh-negative person is exposed to Rh-positive blood again, their immune system may recognize the Rh antigens and mount a reaction.
Does o- blood effect pregnancies?
Each person's blood is one of four major types: A, B, AB, or O. Blood types are determined by the types of antigens on the blood cells. Antigens are proteins on the surface of blood cells that can cause a response from the immune system. The Rh factor is a type of protein on the surface of red blood cells. Most people who have the Rh factor are Rh-positive. Those who do not have the Rh factor are Rh-negative
How does cannabis get to the brain?
cannabis flows through the blood stream in to your brain and makes your nervous sysytem faster
Where is the Immune system in your body?
The immune system is all over. White blood cells are part of it and are in your blood.
What is the blood cell protein that elicits an immune reaction?
The protein that elicits an immune reaction in blood cells is called an antigen. Antigens are typically foreign substances that trigger an immune response when they are detected by the immune system.
Can Rh negative patient receive Rh negative blood?
No. Blood type is determined by a couple of things. The first are the antigens present on the red blood cells. This is where you get A, B, and AB blood types. If you lack either A or B antigens, you have an O blood type. The +/- refers only to the Rhesus factor D, or RhD. It does not refer to other rhesus factors that are not considered in blood type. With this factor, you either have it on your blood cells (+) or you do not (-). It is impossible to have a positive blood type and not have rhesus factor D because that would be a complete contradiction to the naming system.
In the human immune system the main function of what organ is filtering blood?
in the human immune system the main function of the is filtering blood
What blood cells are part of the immune system?
White blood cells are part of the immune system's defense. White blood cells flock to irritations and infections to heal or eliminate them.
What characteristics does a normal immune complex test have?
Normally, immune complexes are not detected in the blood.
What are the principle cells of the immune system and what is their role in the immune response?
The principle cells of your immune system are lymphocytes, or white blood cells. The immune system, however, is highly complex, and it is difficult to single out one type of cell for importance. All of the components have to work together in harmony for optimized function.An immune response is generated when you are exposed to a foreign pathogen. Examples of this would be a virus, bacteria, parasite, or fungus. Your immune system's job is to recognize the invader and destroy it. In this case, the lymphocytes, or white blood cells, engulf the pathogen and eat it up, keeping it from multiplying and making you sick.You want as many of these white blood cells as you can get when you are fighting off an infection. The rate limiting factor in the production of lymphocytes and the strength of your immune system is a protein called glutathione.
Why can type O blood be donated to anyone?
It contains neither A antigen nor B antigen. their blood can be given to individuals of any other blood group red cells do not carry either A or B antigen and hence they do not react with their corresponding antibodies. Remember that an immune respond can only be trigger when the antigen is present in the blood. In another word the blood originally have no any antibody but upon antigen contact it will trigger the immune respond thus antibody is produced and agglutination of blood occur. for rhesus factor there are memory cell so the antibody is still present. That is why when an O blood group without any antigen and antibody (it have both antibody but it is not create yet as there is nothing to trigger its immune respond) can donate to AB group which has no antibody (which mean it will not be trigger by any blood group) but have both antigen (remember that all donated blood have no antibody as there is no immune respond to trigger it thus the AB blood with both antigen is fine; except rhesus factor if it have memory cell)
