The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions.
-The action of the vagus nerve on digestion is considered part of
A) external influences
B) local changes in the digestive tract
C) intrinsic nerve plexus
D) extrinsic autonomic nerves
E) gastrointestinal hormones

Question

The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions. 
-The action of the vagus nerve on digestion is considered part of
A) external influences 
B) local changes in the digestive tract 
C) intrinsic nerve plexus 
D) extrinsic autonomic nerves 
E) gastrointestinal hormones

Quizplus · Accepted Answer

The diagram shows that the vagus nerve belongs to the extrinsic autonomic nerves that control digestive function.

Answer: A
 The diagram shows that external influences, such as sensory stimuli from the environment, can influence digestive function through the brain and extrinsic autonomic nerves.

Answer: C
 The intrinsic nerve plexus, also known as the enteric nervous system, is shown in the diagram and is responsible for local control of digestive function.

Answer: E
 Gastrointestinal hormones are shown in the diagram as being produced by cells in the digestive tract or in other organs, and can influence digestive function through endocrine or paracrine signaling.

The Following Series of 5 Questions Refer to the Accompanying