Which patient will develop active immunity?
has T cells that become B cells
receives preformed antibodies or T cells from a donor
receives immunoglobulins
has a natural exposure to an antigen or receives an immunization
The Correct Answer is D
A. has T cells that become B cells: T cells do not transform into B cells; they are distinct lymphocyte lineages with different functions.
B. receives preformed antibodies or T cells from a donor: this describes passive immunity (temporary transfer), not active immunity.
C. receives immunoglobulins: receiving immunoglobulins (e.g., pooled Ig) provides passive protection because the host did not make the antibodies.
D. has a natural exposure to an antigen or receives an immunization: Active immunity results when the host’s immune system is stimulated by natural infection or vaccination to produce its own antibodies and memory cells.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. pain: Pain (dolor) is one of the classic signs of inflammation due to mediator release and pressure from edema.
B. heat: Heat (calor) results from increased blood flow to the inflamed area.
C. Cyanosis: Cyanosis (blue discoloration from decreased oxygenation) is not a characteristic sign of inflammation; inflammation usually causes redness (rubor), not cyanosis.
D. swelling: Swelling (tumour/edema) is a cardinal sign of inflammation from increased vascular permeability.
Correct Answer is A
Explanation
A. passive: When antibodies (mainly maternal IgG) cross the placenta to the fetus this is passive immunity (temporary, transferred from another individual).
B. cell mediated: Cell-mediated immunity relies on T cells within the individual and is not transferred across the placenta.
C. active: Active immunity results from the host producing its own antibodies (infection or vaccination), not from maternal transfer.
D. innate: Innate immunity is the inborn, non-specific defense of the individual; placental transfer describes adaptive (antibody) passive immunity, not innate.
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