Obesity

Question 1

What is the definition of obesity?

Answer 1

An excessive accumulation of body fat sufficient to imapair health

Question 2

What can cause obesity? (4)

Answer 2

Individual lifestyle choice
Abundant, cheap, palatable food
No need for physical activity at home or work
Genetic factors?

Question 3

What is positive energy balance? (2)

Answer 3

Energy in is greater than energy out

Resulting in weight gain

Question 4

What does the Barker hypothesis state?

Answer 4

Adverse environment in foetal life and early childhood establish increased risk of disease in adult life

Question 5

What is thrifty metabolism?

Answer 5

Cycle of feast and famine

Question 6

What is Ghrelin?

Answer 6

A hormone which increases food intake

Question 7

What is Leptin?

Answer 7

Suppresses appetite

Question 8

What is the mechanism of obesity and cancer?

Answer 8

Increase in oxidative stress

Question 9

What are the THREE treatment options for obesity?

Answer 9

Lifestyle modification
Medical treatment
Surgical treatment

Question 10

Outline ONE medical treatment option

Answer 10

Orlistat

Question 11

Establish the surgical management (3)

Answer 11

Gastric band
Gastric bypass - loses part of SI causing malabsorption
Sleeve gastrectomy - stomach made physically smaller