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LaTresa Ponder
Human physiology
Question | Answer |
---|---|
During which stage of swallowing is there a risk of food entering respiratory pathways? | Oropharyngeal |
Chemical digestion requires the secretion of _____ into the lumen of the GI tract. | digestive enzymes and bile |
What percentage of this blood flow comes from the hepatic portal system? | 80% |
_____ is the passage of substances through the intestinal mucosa into the blood or lymph. | Absorption |
The process of deglutition includes all of the following except the _____ stage. | laryngealy |
The chemical process in which a compound unites with water and then splits into simpler compounds is called | hydrolysis. |
Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone | cholecystokinin (CCK) |
Stimulation of gastric juice secretion occurs in all of the following phases except the _____ phase. | digestive |
The wave-like ripple of the muscle layer of the GI tract is called | peristalsis |
The act of expelling feces is called | defecation. |
The ejection of bile from the gallbladder is controlled by which hormones? | CCK and secretin |
Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called | gastric inhibitory peptide. |