A mutation in the gene encoding the autoimmune regulator (AIRE) protein is MOST likely to result in which immunological consequence?
Increased susceptibility to bacterial infections
Impaired isotype switching in B cells
Defective T cell development in the thymus
Development of autoimmunity against tissue-specific antigens
Related Questions
If a quick immune response is needed as in tetanus infection, preformed antibodies or antitoxin is injected into the patient body. This type of immunization is called……
Active immunization
Passive immunisation
Innate immunity
Humoral immunity
Passive immunization include
Transfer of lymphocyte directly
Transfer of maternal antibodies across placenta to the foetus
Introduction of antibodies
Both (2) and (3)
Which immunoglobulin is most abundant in human milk?
IgA
IgG
IgM
IgE
Identify the wrong statement with reference to immunity
Active immunity is developed when a person's own cells produce antibodies in response to infection or vaccine
Injection of antibodies collected from patients who have recovered from a disease provides passive immunity
Certain types of leukocytes transform into memory cells in response to an antigen
Innate immunity is characterized by memory
Which type of immunity is primarily conferred to newborns through colostrum?
Active immunity
Passive immunity
Innate immunity
Cell-mediated immunity
A newborn baby receives passive immunity through breast milk primarily due to the presence of which antibody?
IgA
IgG
IgM
IgD
Passive immunity can be obtained through
Antigen
Vaccines
Antibiotics
Antibodies
The treatment of snake-bite by antivenin is an example of
Artificially acquired active immunity
Artificially acquired passive immunity
Naturally acquired passive immunity
Specific natural immunity
Which of the following statements is INCORRECT regarding the human immune system?
The innate immune system has memory.
Antibodies are produced by B cells.
The immune system protects against a variety of pathogens, including bacteria, viruses, and fungi.
Vaccines help to strengthen the immune system.
Passive immunity can be obtained through
Antigen
Vaccines
Antibiotics
Antibodies
