Which is the most efficient complement-fixing antibody?

Diagnosis of Infection in the newborn depends on the detection of:

IgA is characterized by the following EXCEPT:

The secretory component of IgA is synthesized by:

The main antibody in secretions protecting outer surfaces of mucosal membranes are:

IgE binds to:

The following immunoglobulin provides local immunity at the mucosal surfaces:

IgE:

All of the following are examples of how acquired immunity can help innate immunity EXCEPT:

Immunoglobulin class switching is mediated by a change in;

Regarding the primary immune response:

In primary immune response:

The monoclonal antibody is characterized by the following EXCEPT:

Which antibody provides local Immunity at the mucosal surfaces:

Which surface molecule delivers the first signal for B-cell activation

45-" Larva currens" is the name given to the migrating larva of:

46- Concerning ancylostomiasis duodenale, which of the following is infective:

47- A patient presenting with chronic diarrhoea, with history of eating improperly cooked whole infected fish, may be infected with:

48-Walking barefooted poses a risk of acquiring: