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1. Which kind of wave in the digestive tract moves material in one direction? a,

ID: 82698 • Letter: 1

Question

1. Which kind of wave in the digestive tract moves material in one direction? a, peristalsis mixing waves c. segmentations 2. While H is secreted into the stomach by parietal cells, is secreted into the blood: CO2 d. H2O 3. Which enzyme is correctly matched to its substrate? a. peptidase starch b. amylase nucleic acids c. Sucrase protein d. lipase triglycerides 4. Which nutrient is carried from the intestine directly to the liver? a. lipids b. amino acids c, carbohydrates d, both a and c e. both b and c 5. When chyme enters the small intestine, this triggers a response that: a. suppresses pancreatic secretion turns up the stomach's activity turns down the stomach's activity d. suppresses contraction of the gall bladder

Explanation / Answer

1:- peristalsis

Exp:- Peristalsis or peristaltic movements help in movement of food in one direction.

2:-,HCO3 is secreted into blood and H+ is secreted into stomach by pareital cells.

3:- lipase- triglycerides

Exp:-" Lipase secreted fro pancrease digests lipids (triglycerides) breaks them into glycerol and fatty acids.

4:-,Option a and c

Exp:- The lipids and carbohydrates are directly taken to liver after absorption.

5:- Turns up stomach activity