9. the ________ are protrusions into the lumen inside the small intestine that create an increased surface area for nutrient absorption.
a villa b rugae c sphincter d uvula
10. imagine that you are tracking the path of fecal matter as it moves through the large intestines. which section of the large intestine comes immediately after the cecum?
a Sigmund colon b descending colon c ascending colon d transverse colon e rectum
11. GERD is a disease characterized by:
a gastric acid washing backwards up into the esophagus b malabsobption of wheat gluten c auto-immune attack on the bowel d the formation of stones in the gallbladder