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The main diagnostic test that distinguishes common variable immunodeficiency from other immunodeficiency diseases is the low antibody level despite the normal number of B cells. Antibody levels are tested in the serum
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The variable which is deliberately changed in experiment?
Independent, it is in the name, more variables are: dependant variable- the one you keep the same control variable- mearsuring variable
What condition occurs when one or more parts of the immune system are missing or not functioning properly?
immunodeficiency
How is a constant and an independent variable similar?
An independent variable or manipulated variable is when you change it on purpose. For example, say your scientific problem was "Does certain substances affect how fast water is frozen?" Those substances are the indepentant variables. A dependant variable is how you measure the dependant variable. For instance, the dependant variable would be how fast the water is frozen. The things they have in common are that they are both variables and are subject to change.
What is the group of the diseases that occur when antibodies develop and begin to destroy the body's own cells?
immunodeficiency diseases
What is the variable in which the investigator changes or manipulates during the experiment?
the experimental variable, also called the independent variable
What is common variable immunodeficiency?
Common variable immunodeficiency is an immunodeficiency disorder characterized by a low level of antibodies. Patients with this disease are subject to recurring infections.
How long can a person with common variable immunodeficiency live?
With good medical care, people with common variable immunodeficiency usually have a normal life span.
How is common variable immunodeficiency treated?
Treatment for common variable immunodeficiency aims at boosting the body's immune response and preventing or controlling infections. Immune serum, obtained from donated blood, is given as a source of antibodies
How is immunodeficiency diagnosed?
Laboratory tests are used to determine the exact nature of the immunodeficiency. Most tests are performed on blood samples.
Can common variable immunodeficiency be cured?
yes a disease of the immune system can be cured ! Qadirah ' Newark , New Jersey Central Hiqh School
What is wrong with the B cells of people with common variable immunodeficiency?
B cells with IgG antibodies on their surface are capable of responding to microorganisms. The lack of IgG on the surface of the B cells means that they are not prepared to fight infection.
What happens to people with common variable immunodeficiency?
Patients with this disease have frequent infections, especially those caused by the same microorganism. Recurring infections are an indication that the immune system is not responding normally and developing immunity to reinfection.
Can common variable immunodeficiency be prevented?
The disease itself cannot be prevented, but patients and their families can take precautions to prevent the recurrent infections commonly associated with it. For example, good hygiene and nutrition are important, as is avoiding crowds
What are the symptoms of common variable immunodeficiency?
The main symptom is recurring infections that tend to be chronic rather than acute. Patients may also develop diarrhea and, as a consequence of the diarrhea, do not absorb food efficiently. This can lead to malnourishment
Why is AIDS acquired immunodeficiency syndrome considered a syndrome and not a disease?
AIDS is syndrome because it is diagnosed based on several clinical factors as a result of advanced HIV infection. HIV (Human Immunodeficiency Virus) is the reason a person develops AIDS.
What is the most common form of immunodeficiency?
selective immunoglobulin A deficiency disease.
What is the common name for Stage 3 of HIV disease?
Acquired immunodeficiency syndrome (AIDS)
