Food Nutrients And A Balaced Diets Flashcards
What is a nutrient?
A nutrient is a healthy chemical needed by the body to keep it in good shape
Which nutrients are needed for a healthy body?
Carbohydrates
Fats
Proteins
Vitamins
Minerals
What else does the also need
Water and fibre
Water constitutes 70% of the bonus weight. What else is it important for?
It provides support for cells
It transports other blood components
It cools down the body
Which carbohydrate cannot be digested by human and how does it help the digestive system?
Fibre is a carbohydrate which cannot be digested by humans. It helps to move food along the intestines. It also take up water like a sponge.
In a patient suffering from rickets, why do the leg bones bend more than the arm bones?
In a patient suffering from rickets leg bones bend more than arm bone because the bone do not develop to their full strength, body weight is also always resting on the legs causing them to bend more.
How can a seal survive in the cold polar seas when a human would die in a few minutes?
Seals have more body fat keeping heat insulated.
What is a balanced diet
A balanced diet is to consume and balance the amount of nutrients that the body needs
What is malnutrition?
Malnutrition is when your body doesn’t receive the right amount of nutrients.
What is a deficiency disease?
A deficiency disease is when your body lacks a certain thing.
What is Scurvy and what are the symptoms?
Scurvy is a deficiency disease caused by lack of vitamin C. The symptoms of scurvy are bleeding gums and your circulatory system is then damaged.
What does lack of iron cause?
Lack of iron causes Haemorrhage.
What does lack of Vit A cause?
Lack of Vitamin A causes a disease called ‘Night Blind’
The symptoms are poor night vision and loss of vision at night.
What does lack of Vit B cause?
Lack of Vitamin B causes a disease called ‘Beri-Beri’
The symptoms are nervousness and paralysis.
What does lack of Vit C cause?
Lack of Vitamin C causes a disease called ‘Scurvy’
The symptoms are swelling in joints.