Select the correct statement about the neural mechanisms of respiratory control. A. The ventral respiratory group is contained within the pons. B. The pontine respirator group (PRG) continuously stimulates the medulla to provide inspiratory drive. C. The dorsal respiratory group neurons depolarize in a rhythmic way to establish the pattern of breathing. D. The pons is thought to be instrumental in the smooth transition from inspiration to expiration.

The statement 'the pons is thought to be instrumental in the smooth transition from inspiration to expiration' about the neural mechanisms of respiratory control is CORRECT (Option D).

The pons, also known as the pons Varolii, is the largest part of the brainstem, which acts to relay signals from the cerebrum and cerebellum to all the body.

The most important function of the ponds is to regulate the rate of involuntary respiration during inspiration and expiration.

The cranial nerves V to VIII, which originate from the pons, are involved in the regulation of both breathing frequency and breathing intensity.

In conclusion, the statement 'the pons is thought to be instrumental in the smooth transition from inspiration to expiration' about the neural mechanisms of respiratory control is CORRECT (Option D).

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