ch - 7 Human Nutrition Flashcards
What are the necessary food groups?
- Vitamins
- Minerals
- Proteins
- Lipids
- Carbohydrate
- Water
- Dietary fibre.
What is the function of carbohydrates?
What is the function of lipids?
What is the function of proteins?
What is the function of dietary fibres?
What is the function of vitamins and minerals?
What is the function of water?
What is the function of vitamin C?
What is the function of vitamin D?
What is the function of calcium?
What is the function of iron?
How do dietary needs change with age?
How do dietary needs change with activity levels?
How do dietary needs change with pregnancy?
How do dietary needs change with breastfeeding?
What deficiency is caused by lack of vitamin c?
Scurvy
what are symptoms of scurvy?
- Bleeding gums
- Tooth loss
- Gum ulcerations
- swelling
- pain in limbs
- anemia
How can scurvy be treated?
Oral or Intravenous vitamin C supplements.
What does the deficiency of vitamin D cause?
Rickets
how can rickets be treated?
Vitamin D supplements
What are symptoms of Rickets?
- Lack of bone growth.
- Soft & weak bones
- Bone pain
What is the function of the mouth?
- Mechanical digestion takes place
- Teeth chew food
- Amylase is secreted
What is the function of oesophagus?
Tube that connects mouth to stomach
What is the function of stomach?
- Mechanically digests
- Protease digests proteins
- HCl kills bacteria and has optimum temp. for enzymes to work.
What is the function of small intestine?
- Duodenum
- pH is 8 or 9
- Ileum is where digestion happens
- Most water is absorbed.
what is the function of large intestine?
- Water is absorbed
What is the function of pancreas?
- Produces enzymes
- alkaline fluids
- produces insulin
What is the function of the liver?
- Produces bile
- Emulsification
- Deamination
- Produces urea.
What is the function of the gall bladder?
Stores bile
