A client has had mumps when he was 9 years old. He had a titer prior to entering nursing school and shows immunity. What type of immunity does this reflect?
A) Artificially acquired active immunity
B) Naturally acquired active immunity
C) Passive immunity
D) Natural passive immunity
B
Feedback:
Naturally acquired active immunity occurs as a direct result of infection by a specific microorganism. An example is the immunity to measles that develops after the initial infection. Not all invading microorganisms produce a response that gives lifelong immunity. Artificially acquired immunity is obtained by receiving a killed or weakened microorganism or toxoid. Passive immunity is acquired when ready-made antibodies are given to a susceptible person.
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