From which sources can passive immunity be acquired?
Standard Text: Select all that apply.
1. Immunoglobulin
2. Maternal antibodies
3. Immunizations
4. Inoculation
5. Blood transfusions
Correct Answer: 1,2
Rationale 1: Immunoglobulin provides passive immunity.
Rationale 2: Maternal antibodies can provide passive immunity.
Rationale 3: Immunization provides active immunity.
Rationale 4: Active immunity results from inoculation.
Rationale 5: Blood transfusions do not provide immunity of any type.
Global Rationale: Passive immunity occurs when preformed antibodies are transferred or "donated" from one person to another. For example, maternal antibodies cross the placenta and provide protection for the fetus and newborn. Other examples of passive immunity include the administration of immune globulin following exposure to hepatitis, antivenins for snakebites, and sera to treat botulism, tetanus, and rabies. Immunizations and inoculations provide active immunity. Blood transfusions do not provide immunity of any type of immunity.
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