Ijmb Model Questions Vol1 2019 Biology Question 8

Practice essay / theory question 8 from the 2019 Ijmb Model Questions Vol1 Biology examination. This question covers Coordination, Reflex arcs, Sensory pathways, Cerebellar function .

Ijmb Model Questions Vol1 2019 Biology Essay / Theory

Topics: Coordination Reflex arcs Sensory pathways Cerebellar function

Question 8 IJMB_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

Effective coordination of body activities depends on the nervous system. Answer the following questions on neural pathways and clinical assessment of coordination.

Question Parts

( a )

Describe the complete pathway of the polysynaptic withdrawal (flexor) reflex, starting from the sensory receptor to the muscle response, and indicate the type of synapse at each relay.

( b )

Evaluate how damage to the dorsal column–medial lemniscal pathway would affect the ability to perform the reflex described in (a). Include discussion of sensory discrimination and motor response.

( c )

Propose a clinical test that could be used to assess the integrity of the coordination between the cerebellum and the motor cortex, describing the expected findings in a normal individual and in a patient with a cerebellar lesion.

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About This Question

This is Ijmb Model Questions Vol1 2019 Biology Question 8. It is one of the essay questions from the 2019 Ijmb Model Questions Vol1 Biology examination.

The question covers Coordination, Reflex arcs, Sensory pathways, Cerebellar function .

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