Pancreatic and Brush Border Enzymes of the Small Intestine

Pancreatic and Brush Border Enzymes of the Small Intestine

Assessment

Interactive Video

Science, Chemistry

University

Hard

Created by

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The video explores the physiology of the small intestine, focusing on its role in digestion and absorption. It discusses the breakdown of nutrients entering from the stomach and the enzymes involved, including brush border and pancreatic enzymes. The video explains the function of microvilli in increasing surface area for absorption and details the specific enzymes that degrade carbohydrates and proteins. It also covers the secretion of pancreatic enzymes in response to hormones and their activation in the duodenum. The video concludes with a preview of the next topic, which will cover the liver and lipid absorption.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the small intestine in digestion?

Mechanical digestion

Chemical digestion and absorption

Hormone production

Water absorption

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is responsible for breaking down maltose in the small intestine?

Amylase

Maltase

Lactase

Sucrase

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of microvilli in the small intestine?

Increase surface area for absorption

Produce hormones

Secrete digestive enzymes

Transport nutrients to the liver

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a brush border enzyme?

Sucrase

Aminopeptidase

Pancreatic lipase

Lactase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What triggers the secretion of pancreatic enzymes into the small intestine?

Presence of chyme in the stomach

Hormones like secretin and cholecystokinin

High blood sugar levels

Absence of food in the stomach

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is responsible for breaking down triglycerides?

Pancreatic amylase

Pancreatic lipase

Trypsin

Sucrase

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are some pancreatic enzymes secreted in an inactive form?

To reduce energy consumption

To prevent digestion of the pancreas itself

To enhance their effectiveness

To increase their lifespan

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