MCQ Physiology 15

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Which of the following statements correctly describes a function of the parasympathetic innervation of the GI tract.
A. Norepinephrine is the primary excitatory neurotransmitter.
B. Excessive parasympathetic activity can lead to a pathological state called paralytic ileas.
C. Inhibitory efferent Vagal innervation causes sphincters to contract.
D. Afferent sensory input is received in the nucleus of the solitary tract and processed in the dorsal motor nucleus of the medulla oblongata.
E. Glucose concentration, pH, osmolality, movement of material past mechanoreceptors, and level of contractile strength or stretch are monitored by efferent parasympathetic fibers.

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Category: Physiology MCQs

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