Multiple Choice
Pasteur's discovery that older bacterial cultures would not cause disease in chickens but would protect them from subsequent infection with more virulent strains is an example of:
A) attenuated vaccine.
B) natural immunity.
C) passive immunity.
D) cross-immunity.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Match each scientist with the appropriate immunological
Q3: All of the following cells are considered
Q4: Primary lymphoid organs include which of the
Q5: The function of NK cells is to:<br>A)
Q6: Eosinophils are involved in the immune response
Q7: The process by which leukocytes are attracted
Q8: Acquired (adaptive)immunity can be characterized as:<br>A) nonspecifically
Q9: B cells that are actively responding to
Q10: Contact with antigen and activation of B
Q11: The ability to resist infection through normally