What type of immunoglobulin predominates in the respiratory system?
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
Questions
28-Dec-2017 What was the rate of non-compliance of the maximum residue limit for veterinary drugs detected in the EU in 2015 in animals and foods of animal origin? 33% correct
21-Dec-2017 What is the cause of thrombocytopaenic purpura? 36% correct
14-Dec-2017 What % of self-supply is expected in the Russian pork industry by the end of 2017? 37% correct
07-Dec-2017 When was the last review of the pork grade standards made in the USA? 31% correct
Random questions
21-Jun-2023 How did EU wheat export values evolve in 2022? 42% correct
11-Mar-2015 In a recent study performed in France, the economic cost of PRRS was calculated as being 32% correct
25-May-2017 What is correct about colostrum? 40% correct
25-Feb-2014 The concentration of L. intracellularis in the faeces... 44% correct
Easy questions
27-Jul-2022 Which country weans more weight por sow per year - Spain or the United States? 72% correct
10-May-2023 What is the primary vector of getahvirus (GETV)? 73% correct
04-Oct-2023 For how many weeks has Spain's Mercolleida pig price remained at 2.03 euros/kg live? 71% correct
09-Mar-2022 Which of the following describes antimicrobial susceptibility testing? 84% correct
Difficult questions
30-Apr-2013 Japan is the first pig meat importer in the world with: 29% correct
27-Oct-2016 In the USA the vaccination against the PCV2 has been carried out since 26% correct
27-Aug-2013 After the launching of 333's website in Chinese (www.pig333.cn), in how many different languages is 333 available? 26% correct
17-Oct-2018 For how many days the faeces of pigs infected with the ASF virus remain infectious at a temperature of 4ºC? 29% correct