The nurse educator knows that a nursing student understands the basics of immunity when the student nurse states
A) herd immunity only pertains to cows.
B) active immunity can be attained via the use of vaccines.
C) passive immunity can be attained via the use of vaccines.
D) cross-immunity is immunity that causes a person who is immune to one disease to be also immune to a completely different infectious agent.
Question 2
A community health nurse is explaining the chain of causation to a family that includes a child who has developed Lyme disease. The nurse correctly describes the opening in the child's skin caused by the actual tick bite as the
A) reservoir.
B) mode of transmission.
C) portal of entry.
D) host.
