What prevents bacteria and materials in the large intestine from flowing backward into the ileum of the small intestine?
A) gastroesophageal sphincter
B) pyloric sphincter
C) ileocecal valve
D) circular folds
Correct Answer:
Verified
Q49: Which modification of the small intestine creates
Q51: The gallbladder is located on the posterior
Q52: Acinar cells of the pancreas release:
A) cholecystokinin.
B)
Q52: At the splenic flexure,the colon becomes the:
A)transverse
Q53: Which of the following does NOT increase
Q55: What stimulus initiates the defecation reflex?
A) pressure
Q56: What can we consciously control about the
Q57: Peristaltic contractions that propel the contents of
Q58: What is the final segment of the
Q59: Which hormone stimulates the acinar cells of
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