Small Intestine

Question 1

what are the lengths of the 3 sections of small intestine?

Answer 1

duodenum = 25 cm
jejunum = 2.5 m
ilieum = 3.5 m

Question 2

What breaks down maltose and what into?

Answer 2

Maltase, glucose and glucose

Question 3

What breaks down sucrose and what is it broken down into?

Answer 3

Sucrase, glucose and fructose

Question 4

What breaks down lactose and what is it broken down into ?

Answer 4

Lactase, glucose and galactose

Question 5

What breaks down a-linot dextrins and what are they broken down into?

Answer 5

Isomaltase/glucomylase and glucose and maltosec

Question 6

What takes lipids

Answer 6

Lacteal delivers lipids to the lymphatic system

Question 8

Where does most of the nutrient digestion and absorbtion happen?

Answer 8

Jenunim

Question 9

What moderates gastric activity?

Answer 9

Enterogastric reflex

Question 10

What controls the movement of food from the small intestine to the large intestine?

Answer 10

Gastroileal reflex

Question 11

How is fructose absorbed?

Answer 11

GLU5 down concentration gradient

Question 12

How is galactose and glucose absorbed?

Answer 12

Facilitated diffusion

Question 13

Where are bile salts released from?

Answer 13

Gall bladder

Question 14

What does lipase work best at

Answer 14

3-6.5

Question 15

Where are bile acids reabsorbed

Answer 15

Terminal illium

Question 16

SECHAT

Answer 16

Bile acid reabsorption

Question 17

How much bile acid should be reabsorbed?

Answer 17

95%

Question 18

What are small peptides co transported with into entercytes?

Answer 18

H+ ions

Question 19

What is the name for large bulky stools

Answer 19

Steatorrhoea

Question 20

When is steotreah

Answer 20

Can’t digest fat

Question 21

Pancreatic insufficiency causes

Answer 21

-cf
-chronic pancreatitis
-disacheridease deficiency

Question 23

Cause of maldigestion

Answer 23

Pancreatic insufficiency and disaccharidase deficiency

Question 24

CFTR is deformen in and leads to mucus …

Answer 24

CF

Question 25

Lactase deficiency

Answer 25

Reduced expression of LCT

Question 26

Coeliac disease

Answer 26

Vilous atrophy

Question 27

What can look at pancreatic insufficiency

Answer 27

Stool elastance

Question 28

What can image the small bowel using an endoscope?

Answer 28

Double balloon enteroscopy Small bowel capsule endoscopy

Question 30

Where are bile acids produced and stored?

Answer 30

Produced in the liver and stored in gall bladder

Question 31

How doe ssechat work?

Answer 31

Proportion of reabsorbed bile acid using radiolablled artificial bile acid (patient is scanned to determine the trainee amount)

Question 32

Three tests that look for carbohydrates malabsorption?

Answer 32

Blood sample, small bowel biopsy and breath testing

Question 33

Another way to test for sibo

Answer 33

Jejunal aspirate

Question 34

How long should sIBO test be?

Answer 34

90misn

Question 35

How long should lactose and glucose test be?

Answer 35

3 hours

Question 38

What methane should be

Answer 38

Bellow 12