Lecture 10

Question 1

What enzyme first digests lipid and where is it released from?

Answer 1

Lingual lipase is released in the mouth

Question 2

Where do triglycerides move to for absorption?

Answer 2

Lacteals

Question 3

What is dietary fat packaged into?

Answer 3

Chylomicrons

Question 4

What is the purpose of a lipoprotein?

Answer 4

To transport hydrophobic lipid molecules through the blood

Question 5

What is the structure and contents of a lipoprotein?

Answer 5

Central core contains cholesterol esters and triglycerides.

Core is surrounded by free cholesterol, phospholipids, and apolipoproteins

Question 6

What % of total blood cholesterol is VLDL?

Answer 6

10%

Question 7

What % of total blood cholesterol is LDL?

Answer 7

65%

Question 8

What % of total blood cholesterol is HDL?

Answer 8

25%

Question 9

What are CVDs?

Answer 9

Disorders of the heart and blood vessels

Question 10

What are three examples of CVDs?

Answer 10

1. Coronary heart disease
2. Cerebrovascular disease
3. Rheumatic heart disease

Question 11

What fraction of CVD’s deaths are due to heart attacks and strokes?

Answer 11

4/5

Question 12

TRUE or FALSE

CVD’s are the 2nd cause of death globally?

Answer 12

FALSE

They are the 1st cause of death globally

Question 13

How can be CVD’s be prevented?

Answer 13

By addressing behavioural risk factors

Question 14

What are the behavioural risk factors?

Answer 14

• tobacco use
• unhealthy diet
• obesity
• physical inactivity
• overuse of alcohol

Question 15

What do CVD’s have a high comorbidity with?

Answer 15

• hypertension
• diabetes
• hyperlipidemia
• an already established disease

Question 16

How is NZ’s cholesterol?

Answer 16

It has a high level of raised blood cholesterol which is linked to higher proportionate intake of saturated fat