Biology Immunity PMDC Conceptual Practice
PMDC Verified Question 49 of 99
Inducing protective immunological memory through the artificial administration of dead or weakened antigens is termed:
A
Artificial active immunity
B
Artificial passive immunity
C
Natural active immunity
D
Innate passive immunity
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Artificial active immunity
Concept: Modes of adaptive immunity acquisition.

Solution: When modified antigens are introduced via vaccination to stimulate endogenous antibody and memory cell production, it is termed artificial active immunity.

Why other options are incorrect:
  • Option B: Artificial passive immunity involves injecting ready-made antibodies (antisera).

  • Option C: Natural active immunity results from exposure to live wild pathogens during natural infection.

  • Option D: Innate defenses are non-specific barriers, not acquired memory modes.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

Want to solve full-length papers under timed exam conditions?

Practice with zero-scroll lockdown sprints, dynamic latency zone timers, live peer selection telemetry, and the automated Amber mistake recovery loop.