Session 1-nutrition Basics And Homeostasis

Question 1

What is anabolism?

Answer 1

Uses energy, reducing power and raw materials to make molecules for growth and maintenance

Question 2

What are the three components of energy expenditure?

Answer 2

Energy for Bmr, voluntary physical exercise and to process food

Question 3

Why are fats essential to the diet?

Answer 3

Absorb fat soluble vitamins (ADEK)

Question 4

Why is protein essential to the diet?

Answer 4

Amino acids (product of protein digestion) used in synthesis of essential N2 containing compounds

Question 5

What happens if you lack minerals and vitamins?

Answer 5

They are water or lipid soluble. Deficiency diseases associated with absence/excess of these

Question 6

Explain marasmus

Answer 6

Protein energy malnutrition
Common under age of 5 with child looking emaciated with muscle wastage and loss of body fat
Hair is thin and dry, diarrhoea and anaemia present

Question 7

What is oedema?

Answer 7

Excess of watery fluid collecting in the cavities or tissues of the body

Question 8

What is kwashiorkor?

Answer 8

Some carbs but very low protein diet
Lethargic and anorexic
Large abdomen due to hepatomegaly (abnormal enlargement of liver) and/or ascites (accumulate fluid in peritoneal cavity)
There is oedema due to low SERUM ALBUMIN (osmotic pressure) and anaemia

Question 9

What is catabolism?

Answer 9

Break down molecules to release energy and reducing power

Question 10

Name the 9 essential amino acids

Answer 10

If learned, this huge list may prove truly valuable
Isoleucine,leucine,threonine,histidine,lysine,methionine,phenylalanine,tryptophan,valine
OR
PVT TIM HALL