The following series of 5 questions refer to the accompanying diagram of pathways controlling digestive function. Use the diagram to help answer the questions.
-Changes in stomach activity as the stomach stretches with food are most closely associated with:
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. 
-Changes in stomach activity as the stomach stretches with food are most closely associated with:
A) external influences 
B) local changes in the digestive tract 
C) intrinsic nerve plexus 
D) extrinsic autonomic nerves 
E) gastrointestinal hormones

Quizplus · Accepted Answer

Local changes in the digestive tract, specifically stretch receptors, are responsible for triggering changes in stomach activity as it stretches with food.

Which division of the autonomic nervous system stimulates the digestive system?
A) sympathetic
B) parasympathetic
C) somatic
D) sensory
E) motor

Answer: B
 The parasympathetic division of the autonomic nervous system stimulates the digestive system through the vagus nerve.

Which hormone stimulates the stomach to secrete acid?
A) gastrin
B) secretin
C) cholecystokinin
D) somatostatin
E) gastric inhibitory peptide

Answer: A
 Gastrin is the hormone that stimulates the stomach to secrete acid.

What is the name of the nerve plexus located in the submucosa of the digestive tract?
A) myenteric plexus
B) submucosal plexus
C) interstitial plexus
D) epineurial plexus
E) endoneurial plexus

Answer: B
 The nerve plexus located in the submucosa of the digestive tract is called the submucosal plexus.

Which organ releases the hormone cholecystokinin (CCK)?
A) stomach
B) liver
C) gallbladder
D) pancreas
E) small intestine

Answer: E
 Cholecystokinin (CCK) is released by the small intestine.

The Following Series of 5 Questions Refer to the Accompanying