Biology Homeostasis PMDC Conceptual Practice
PMDC Verified Question 62 of 99
What are the three core components required for a functional biological homeostatic feedback mechanism?
A
Receptors, control center, and effectors
B
Sensory neurons, motor neurons, and interneurons
C
Central nervous system, peripheral nervous system, and autonomic system
D
Cerebrum, cerebellum, and pons
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Receptors, control center, and effectors
Concept: Architecture of homeostatic control loops.

Solution: Homeostatic feedback mechanisms require a receptor (detects stimulus changes), a control center (processes input and determines set point response), and an effector (carries out the response).

Why other options are incorrect:
  • Option B, Option C & Option D: These describe specific neural cell types or anatomical divisions of the brain/nervous system, not the general functional components of a control loop.

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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