* not completed

. All gastrointestinal structures have three layers of smooth muscle in their muscularis externa

True correct incorrect

False correct incorrect

* not completed

. The smooth muscle of the gut is of the multi-unit type.

True correct incorrect

False correct incorrect

* not completed

. The mixing of food in the small intestine is facilitated by segmentation movements

True correct incorrect

False correct incorrect

* not completed

. The smooth muscle layers of the gut contract with vigorous propulsive movements in the absence of action potentials.

True correct incorrect

False correct incorrect

* not completed

. The myenteric plexus lies between the longitudinal and circular smooth muscle layers of the gut wall.

True correct incorrect

False correct incorrect

* not completed

. The enteric nervous system is innervated by post-ganglionic parasympathetic nerve fibres.

True correct incorrect

False correct incorrect