Biology Nervous Coordination KMU 2024
PMDC Verified Question 29 of 86
Most of the neurons in the CNS are:
A
Bipolar
B
Multipolar
C
Pseudounipolar
D
Unipolar
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Multipolar
Concept:

Neurons are classified by the number of processes extending from their cell body. The more complex the integration required, the more dendrites are needed.

Solution:

  • Because the Central Nervous System (brain and spinal cord) must integrate vast amounts of information from thousands of converging inputs, over 99% of neurons within the CNS (including all motor neurons and interneurons) are multipolar. They possess one axon and many highly branched dendrites.


Why other options are incorrect:

  • Unipolar / Pseudounipolar: Primarily sensory neurons located in peripheral ganglia outside the CNS.


  • Bipolar: Extremely rare, found only in specialized sensory organs like the retina of the eye and olfactory epithelium.

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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