Question 1
Response to specific pathogens that can improve with subsequent exposure is
◦ the first line of defense.
◦ the second line of defense.
◦ the third line of defense.
◦ innate immunity.
◦ microbial antagonism.
Question 2
Which of the following cells increase in number during an infection with parasitic worms?
◦ lymphocytes
◦ basophils
◦ neutrophils
◦ eosinophils
◦ macrophages