Nurse Loraine knows children who have received diphtheria, tetanus, and pertussis (DPT) injections on a regular basis have obtained which of the following.. Artificially acquired active immunity

Nurse Loraine knows children who have received diphtheria, tetanus, and pertussis (DPT) injections on a regular basis have obtained which of the following:
a. Naturally acquired active immunity
b. Artificially acquired active immunity
c. Naturally acquired passive immunity
d. Artificially acquired passive immunity

Answer B. Vaccines offer artificially acquired active immunity.
A small amount of a microorganism is injected into the host to cause the host to form antibodies for a particular disease.