The enteric plexus
A. is found in the mucosa.
B. consists of the myenteric plexus and the celiac plexus.
C. contains sympathetic neurons and fibers.
D. controls movement and secretion of the digestive tract.
E. is a valve in the GI tract.
D
You might also like to view...
Which of the following descriptors is false regarding enzymes?
A) They are proteins. B) They function as biological catalysts. C) They lower the activation energy required for a reaction. D) They affect only the rate of a chemical reaction. E) They are consumed during the reaction.
B-lymphocytes are
A. antibody-producing red blood cells. B. platelets that are generated in the thymus. C. white blood cells that are generated in red bone marrow. D. immune system cells that are generated in the tonsils. E. blood cells found only in people with type B blood.
Which of the following causes an immediate increase in the rates of glandular secretion and peristaltic activity in all segments of the small intestine?
a. gastroileal reflex b. the presence of intestinal juice c. enterogastric reflex d. gastroenteric reflex
The afterhyperpolarization that follows the action potential:
A. is due to the inactivation of voltage-gated Na+ channels B. makes it easier to trigger another action potential C. extends the relative refractory period D. makes it impossible to fire another action potential E. is the consequence of continuing K+ influx