Which one of the following is NOT a nonspecific natural defense barrier against microbial invasion?

Question

Quizplus · Accepted Answer

Antibodies produced from B lymphocytes are not considered a nonspecific natural defense barrier, as they are part of the adaptive immune response rather than the innate immune response. The other options listed (ciliated epithelial cells, lysozyme, mucus, and antimicrobial peptides) are all nonspecific natural defense barriers against microbial invasion.

Which One of the Following Is NOT a Nonspecific Natural