Cell Transport Mechanisms and Digestive Disorders

Front

1._____ active transport crosses a cell membrane with assistance of a transport protein.

2._______ active transport has the cell membrane surround the substance and then moves it across the cell membrane, then releases it inside or outside the cell

Back

1. 1.Carrier-mediated

2.Vesicular

Front

A majority of nutrient absorption occurs in the ______

Back

Small intestine

Front

Difference between inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS)

Back

IBD are inflammation of the lining of the GI tract and is an autoimmune disease

IBS is a functional disorder that disrupts normal bowel activity

Front

Major activities of secretin and site of production

Back

• Inhibits gastric motility

• Inhibits secretion of gastric juice

• Stimulates release of pancreatic juice containing sodium bicarbonate and enzymes

• Produced in small intestine

Front

Explain the function of sphincters and the names of the upper and lower sphincters of the esophagus

Back

Sphincters are circular bands of smooth muscle that act like one-way valves that regulate the flow of the luminal contents between organs

Upper: Upper esphogeal sphincter

Lower: Gastroesphageal sphincter