the reciprocal innervation in automatic breathing is via descending pathways rather than spinal reflexes

[Solved] Which is CORRECT?

Q.	Which is CORRECT?
A.	voluntary control of breathing originates in the pons/medulla
B.	automatic breathing control descends to the respiratory musculature via the corticospinal tract
C.	the reciprocal innervation in automatic breathing is via descending pathways rather than spinal reflexes
D.	automatic fibres descend to innervate the external intercostal muscles at each thoracic level to mediate expiration
E.	there is no output to the phrenic nerves during expiration
Answer» C. the reciprocal innervation in automatic breathing is via descending pathways rather than spinal reflexes

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