Which of the below are functions of the mammalian GI tract?
Answer
Ingestion
Detoxification
Absorption
Oxygen transport
Secretion
Mixing
Excretion
Gas exchange
Digestion
Question 2
Question
What is the contractile muscle of the GI tract?
Answer
Cardiac muscle
Smooth muscle
Skeletal muscle
Question 3
Question
True or false, is a sphincter a muscular valve that is controlled by the enteric nervous system?
Answer
True
False
Question 4
Question
Which of the below is the muscular sphincter that isn't controlled by the enteric nervous system and what nervous system is it controlled by?
Answer
Anal sphincter, controlled by the somatic nervous system
Anal sphincter, controlled by the autonomic nervous system
Pyloric sphincter, controlled by the somatic nervous system
Pyloric sphincter, controlled by the autonomic nervous system
Question 5
Question
The ileocecal sphincter ensures that the is [blank_start]uni[blank_end]directional movement from the [blank_start]small[blank_end] to [blank_start]large[blank_end] intestine. The distending ileum [blank_start]relaxes[blank_end] for movement into the colon and the distending colon [blank_start]contracts[blank_end] to prevent the movement of contents from the colon to the ileum.
Answer
uni
bi
multi
small
large
large
small
relaxes
contracts
relaxes
contracts
Question 6
Question
What nerve is ACh production stimulated by?
Answer
Vagus nerve
Pelvic nerve
Trigeminal nerve
Caudal mesenteric plexus
Sciatic nerve
Question 7
Question
Which 3 receptors are necessary for parietal cell secretion?