A novel immunodeficiency is characterized by recurrent bacterial infections, particularly with encapsulated bacteria. Serum analysis reveals normal levels of IgG, IgM, and IgA, but significantly reduced levels of complement component C3. Which pathway of complement activation is MOST likely primarily affected?
Classical pathway
Lectin pathway
Alternative pathway
Terminal pathway
Related Questions
Your immune system helps to protect you against viruses and bacteria that can cause sickness. Which cell is a part of immune system?
Red blood cell
White blood cell
Nerve cell
Muscle cell
Who among the following is recognized as the father of immunology?
Robert Koch
Ferdinand Kohn
Edward Jenner
Louis Pasteur
A chemical substance produce produced by a microorganism for inhibiting the growth of another is
Antibody
Antibiotic
Aflatoxin
Antiallergic
Antibody production is controlled by
T cells
B cells
Macrophages
Neutrophils
Monoclonal antibodies are used for
Immune suppression for kidney transplantation
Growth induction
Suppression of symptoms of rabies
Treatment of breast cancer
Your immune system helps to protect you against viruses and bacteria that can cause sickness. Which cell is a part of immune system?
Red blood cell
White blood cell
Nerve cell
Muscle cell
First line of defence include
Skin
Mucous coating
Lysozyme secretion from eyes
All of the above
Immunosuppressant drugs are given to transplant recipients to:
Boost antibody production
Enhance innate immunity
Suppress the immune response against the graft
Promote inflammation
Which diagnostic test is most appropriate for confirming a suspected deficiency in humoral immunity, specifically related to antibody production?
Serum immunoglobulin levels
Bone marrow biopsy
T cell count
Cytokine assay
T-lymphocyte is produced in
Bone marrow
Spleen
Pancreas
Thymus
