Question of the week - Week of 04-Jan-2018

What type of immunoglobulin predominates in the respiratory system?

Question of the week

See a clue in the article The Immune System and immunity in swine: Mucosal immunity


incorrect answer

IgA predominates in the upper districts (nasal cavities, pharynx, larynx, trachea, bronchus) while in the inferior districts (bronchial and alveolar) there is mainly a systemic immune response and predominant secretion of IgG