Question

question 5
1 pts
the wave - like ripple of the muscle layer of the gi tract is called
deglutition.
mastication.
peristalsis.
segmentation.
question 6
1 pts
fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called
aldosterone.
gastrin.
gastric inhibitory peptide.
lecithin.
question 7
1 pts
the act of expelling feces is called
elimination.
excretion.
defecation.
rehydration.

Explanation:

Question 5

Deglutition is swallowing, mastication is chewing, segmentation is local mixing contractions, while peristalsis is the wave - like muscle contraction in the GI tract that moves food.

Aldosterone is for electrolyte balance, gastrin is from the stomach, lecithin is a lipid. Gastric inhibitory peptide (GIP) is released by intestinal mucosa in response to fats/nutrients in the duodenum.

Elimination is a general term, excretion is for waste like urine, rehydration is adding water. Defecation is specifically expelling feces.

Answer:

C. peristalsis

Question 6