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Gastroenterology (Own) > Nutrition > Flashcards

Flashcards in Nutrition Deck (24):
1

Reduction with physical activity

Constipation
Diverticular disease
Gall Stones
Colon cancer and mortality after diagnosis

2

What does dietary fibre reduce the risk of?

CHD
Stroke
Hypertension
Diabetes
Obesity
GI disease

3

What are the two types of dietary fibres?

Soluble and insoluble

4

Give examples of soluble fibre

Beans, lentils, fruits and oats

5

Give examples of insoluble fibre

Wholegrain products, vegetable, beans, lentils

6

Why is dietary fibre protective?

Bulky so reduces transit time
Fermentation process produces short chain fatty acids which is an energy source for colonic cells

7

GI diseases that fibre reduces risk of

Colorectal cancer
GORD
Peptic ulcer disease
Gallbladder disease
Diverticular disease
COnstipation Haemorrhoids

8

Why are whole grains beneficial?

Bulk
Fermentation

9

Guidlines for wholegrain servings?

3 16g servings per day

10

What are the benefits of red meat?

Protein, iron, zinc, vit B and A

11

What are the risks of eating red meat?

Source of saturated fat
Forms carcinogens when cooked at high temps
High harm iron content to produce free readicals

12

How much red meat should be consumed within a day

<70g

13

What are the guidelines for red and processed meat?

<500g red meat a week (limit processed to as little as possible)

14

What does salt do to the lining of the stomach?

Irritates causing inflammation and increases growth and action of H. pylori

15

The 5 A's of behavioural change

Ask
Asses
Advise
Agree
Assist

16

BMI equation

Weight (kg)/ Height (m) squared

17

Where is the neural centre responsible for body weight?

Hypothalamus

18

Satiation

Feeling of fullness

19

Satiety

Period between meals where no food is consumed

20

Adiposity

State of being obese

21

Satiation signals

CCK
Peptide YY
GLP-1
OXM
Obestatin

22

Hunger signal

Ghrelin - increase before meals and decrease after

23

Central apetite controllers

Glutamate, GAba and opioids

24

Adipose signals

Leptin - fat cells
Insulin - pancreatic cells