Intro to nutrition

Question 1

What happens if you lose 10% lean body mass?

Answer 1

Impaired immunity and increased infection

Question 2

What happens if you lose 20% lean body mass?

Answer 2

Decreased healing, weakness, infection

Question 3

What happens if you lose 30% lean body mass?

Answer 3

Too weak to sit, pressure sores, pneumonia and no healing

Question 4

What happens if you lose 40% lean body mass?

Answer 4

Death usually from pneumonia

Question 5

Why does malnutrition happen?

Answer 5

Decline in energy intake causes body to decrease metabolic rate
Pull on sources of stored energy (fat) 90%kcal and ketones
Energy production is needed for protein synthesis and by the tissues
Proteins are used to fuel gluconeogenesis (10% kcal) to produce glucose for the brain, but catabolism is minimal so erosion is minimal