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A person with type B neg blood is injected with type A pos blood from an immunological standpoint. what would happen after the injection?
The person's immune system would recognize the type A positive blood as foreign and mount an immune response. This can lead to a severe transfusion reaction, including symptoms such as fever, chills, and potentially life-threatening complications like organ damage. The incompatible blood transfusion could trigger a hemolytic reaction due to the presence of antibodies targeting the foreign blood cells.
What is likely to happen to a donor's cells if an Rh person who is sensitive Rh plus blood receives a transfusion of Rh plus blood?
If a donor's Rh-negative cells are transfused into an Rh-positive recipient, the recipient's immune system may recognize the Rh antigens as foreign and mount an immune response, leading to destruction of the donor's red blood cells. This can result in a reaction called hemolytic transfusion reaction.
What cells produce histamine in a type one hypersensitivity reaction?
Basophils Mast cells contain histamine. When they encounter a foreign body, they splay themselves and release histamines which then cause swelling and surround the foreign body so other parts of the immune system can rid the body of the foreign invader. Antihistamines offer much comfort.
Describe the antibody antigen interactions that would occur if an Rh- perosn with type B blood received blood from an Rh person with type AB blood?
The Rh- person has no Rh antigens, so their body does not recognize the Rh antigens on the Rh+ donor blood as foreign. However, the B antigens on the donor blood are recognized by the recipient's immune system as foreign, leading to an immune response against the B antigens. This can result in a transfusion reaction if not properly managed.
Urushiol binds to the skin cells and convinces the body that they are foreign and need attacking by the immune systems when will this be a problem?
This becomes a problem when the immune system overreacts to urushiol, leading to symptoms like redness, itching, swelling, and blisters. This hypersensitivity reaction is known as contact dermatitis and occurs in individuals who are sensitive to urushiol.
What is the possible cause of death in a blood transfusion?
These complications may include an acute hemolytic transfusion reaction (AHTR), which is most commonly caused by ABO incompatibility. The patient may complain of pain, difficult breathing, fever and chills, facial flushing, and nausea.
Hypersensitivity to a previous encountered foreign protein?
anaphylaxis
What does hypersensitivity pneumonitis refer to?
Hypersensitivity pneumonitis refers to an inflammation of the lungs caused by repeated breathing in of a foreign substance, such an organic dust, a fungus, or a mold.
A person with type B neg blood is injected with type A pos blood from an immunological standpoint. what would happen after the injection?
The person's immune system would recognize the type A positive blood as foreign and mount an immune response. This can lead to a severe transfusion reaction, including symptoms such as fever, chills, and potentially life-threatening complications like organ damage. The incompatible blood transfusion could trigger a hemolytic reaction due to the presence of antibodies targeting the foreign blood cells.
What is a hemolytic reaction to a blood transfusion?
Most severe type, but rare incompatible blood incompatibility in multiple transfusions. Mostlikely to occurs when transfused red cells react with circulating antibody in the recipient with resultant intravascular hemolysis. When a group O patient is mistakenly transfused with group A, B, or AB blood. Patients receiving a major ABO- incompatible marrow or stem cell transplant with sufficient red cell content will likely develop an acute hemolytic reaction. Symptoms are: fever, chills and fever, the feeling of heat along the vein in which the blood is being transfused, pain in the lumbar region, constricting pain in the chest, tachycardia, hypotension, and hemoglobinemia with subsequent hemoglobinuria and hyperbilirubinemia. Prevention: proper identification of patients, pre-transfusion blood samples and blood components at the same time of transfusion.
What is antigen hypersensitivity?
Hypersensitivity describes associate abnormal or pathologic reaction that's caused by associate immunologic response to perennial exposure to associate matter. Hypersensitivity diseases embrace response diseases, during which immune responses area unit directed against self-antigens, AND diseases that result from uncontrolled or excessive responses to foreign antigens. as a result of these reactions tend to occur against antigens that can't be loose (i.e. self-antigens) and since of regeneration systems intrinsic to numerous aspects of the immunologic response, hypersensitivity diseases tend to manifest as chronic issues.
What is likely to happen to a donor's cells if an Rh person who is sensitive Rh plus blood receives a transfusion of Rh plus blood?
If a donor's Rh-negative cells are transfused into an Rh-positive recipient, the recipient's immune system may recognize the Rh antigens as foreign and mount an immune response, leading to destruction of the donor's red blood cells. This can result in a reaction called hemolytic transfusion reaction.
What is bird keeper's lung?
The technical name for it is Hypersensitivity pneumonitis which is an "inflammation of the lungs due to breathing in a foreign substance, usually certain types of dust, fungus, or molds." https://health.google.com/health/ref/Hypersensitivity+pneumonitis
What cells produce histamine in a type one hypersensitivity reaction?
Basophils Mast cells contain histamine. When they encounter a foreign body, they splay themselves and release histamines which then cause swelling and surround the foreign body so other parts of the immune system can rid the body of the foreign invader. Antihistamines offer much comfort.
What is topotactic reaction?
a reaction where a foreign particle inserts into a host on interface
Describe the antibody antigen interactions that would occur if an Rh- perosn with type B blood received blood from an Rh person with type AB blood?
The Rh- person has no Rh antigens, so their body does not recognize the Rh antigens on the Rh+ donor blood as foreign. However, the B antigens on the donor blood are recognized by the recipient's immune system as foreign, leading to an immune response against the B antigens. This can result in a transfusion reaction if not properly managed.
Urushiol binds to the skin cells and convinces the body that they are foreign and need attacking by the immune systems when will this be a problem?
This becomes a problem when the immune system overreacts to urushiol, leading to symptoms like redness, itching, swelling, and blisters. This hypersensitivity reaction is known as contact dermatitis and occurs in individuals who are sensitive to urushiol.
