Biology Immunity PMDC Conceptual Practice
PMDC Verified Question 60 of 99
The human organ system dedicated to recognizing, neutralizing, and clearing foreign pathogens and abnormal cells is the:
A
Immune System
B
Endocrine System
C
Nervous System
D
Muscular System
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Immune System
Concept: Integrated function of organ systems.

Solution: The Immune System comprises lymphoid organs, leucocytes, humoral factors, and barrier tissues working together to protect the host against infectious agents and malignancies.

Why other options are incorrect:
  • Option B: The endocrine system regulates physiology via hormonal chemical messengers.

  • Option C: The nervous system coordinates rapid neural communication.

  • Option D: The muscular system generates physical movement.

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.

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