Ijmb Model Questions Vol1 2024 Biology Question 8

Practice essay / theory question 8 from the 2024 Ijmb Model Questions Vol1 Biology examination. This question covers Coordination, Sensory receptors, Reflex arcs, Cerebellum, Motor pathways, Proprioception .

Ijmb Model Questions Vol1 2024 Biology Essay / Theory
Topics: Coordination Sensory receptors Reflex arcs Cerebellum Motor pathways Proprioception
Question 8 IJMB_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • essay

You are reviewing the neurophysiological basis of coordinated movement in a 28‑year‑old athlete who has recently suffered a traumatic brain injury. The examiner asks you to analyse the integration of sensory input, central processing and motor output that underlies precise limb coordination.

Question Parts

( a )
Describe the complete pathway of a monosynaptic stretch reflex, from the muscle spindle to the contracting muscle, indicating the type of neurons involved at each stage.
( b )
A lesion is identified in the dorsal column‑medial lemniscal pathway of the same athlete. Predict the specific deficits in proprioceptive perception and explain how these deficits would impair coordinated voluntary movements.
( c )
Design a controlled experimental protocol to investigate the role of the cerebellum in the timing of sequential finger movements. Include the hypothesis, key variables, experimental groups, and the method of data collection.

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About This Question

This is Ijmb Model Questions Vol1 2024 Biology Question 8. It is one of the essay questions from the 2024 Ijmb Model Questions Vol1 Biology examination.

The question covers Coordination, Sensory receptors, Reflex arcs, Cerebellum, Motor pathways, Proprioception .

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