CAMTASIA: Control of Gastric Emptying Flashcards
1
Q
The circular pyloric sphincter muscles are/are not continuous with the circular muscles of the duodenum.
A
ARE NOT
2
Q
There are ____ receptors as well as ____ receptors in the duodenum.
A
Stretch, chemo
3
Q
The pylorus never relaxes enough to let particles bigger than ____ to pass.
A
1-2mm
4
Q
The ____ releases nitric oxide and mediates pyloric ____
A
Vagus nerve, relaxation
5
Q
____ mediates pyloric contraction
A
CCK / opioids
6
Q
____ is the main neurotransmitter innervating the myenteric plexus and it’s associated circular muscles.
A
Serotonin
7
Q
____ determines speed of gastric emptying
A
Caloric content
8
Q
When it comes to gastric emptying speed…____<____
A
Glucose, protein, solids
