AQA Applied Science Extended Certificate Human Body Unit 4

Question 1

Pancreatic Lipases break which bond on a lipid?

Accepted Answer

Ester

Question 2

The Small Intestine has Villi and Microvilli, what is the reasoning for this adaptions?

Accepted Answer

Fick's Law - Surface Area

Question 3

Digestion is described as either…

Accepted Answer

Chemical and Mechanical

Question 4

Peristalsis is

Accepted Answer

2 and 3 together. Peristalsis is a wave of contraction., Longitudinal muscles restore shape., Circular muscles behind a bolus contract.

Question 5

Amylase breaks down carbohydrates.

Accepted Answer

true

Question 6

The Small Intestine absorbs what?

Accepted Answer

Monosaccharides, Amino Acids, Lipids

Question 7

Where is Bile Salt produced?

Accepted Answer

Gallbladder

Question 8

The Large Intestine absorbs water via….

Accepted Answer

Osmosis

Question 9

The Pancrease produces Insulin, which….

Accepted Answer

Is a hormone used in blood glucose regulation (homeostasis).

Question 10

Pancreatic Proteases break down proteins.

Accepted Answer

true

Question 11

The Liver also processes vitamins and fatty acids, absorbed by the small intestine.

Accepted Answer

true

Question 12

Diarrhoea is caused when too much water is absorbed into the Large Intestine.

Accepted Answer

false

Question 13

The Liver produces bile, which is stored in the gallbladder. What is true about bile?

Accepted Answer

Produces Bile Salt, which increase lipid's surface area.

Question 14

The Gallbladder secretes bile salt into…..

Accepted Answer

The Duodenum

Question 15

Pancreatic Amylase breaks down carbohydrates via which reaction?

Accepted Answer

Hydrolysis

Questions 15