Imbalanced diet: starvation and deficiency diseases | Science

Starter quiz

A person's overall health is made up of their physical and ______ health.
- 'mental' ✓
Which of these are essential vitamins?
- vitamin A ✓
- vitamin D ✓
- vitamin Y
- vitamin Z
______ is a source of building materials to make biomass for growth and repair.
- 'Food' ✓
Match the key term to the definition.
- mental health
  
  ⇔
  
  how you feel, think and act ✓
- physical health
  
  ⇔
  
  the condition of your body ✓
- disease
  
  ⇔
  
  a persistent harmful deviation from a normal function or behaviour ✓
What nutrient in food is needed for growth and repair?
- 'Protein' ✓
True or false? To be healthy we should eat a diet free from fat.
- True
- False ✓

What does BMI stand for?
- body mass index ✓
- body mass indicator
- body maintenance indication
If a man has a BMI of 24, what category would that put him into for his weight?
- less than 18.5 = underweight
- between 18.5 and 24.9 = healthy weight ✓
- between 30 and 39.9 = obese
- 40 or more = severely obese
How do we calculate BMI?
- body mass ÷ height
- body mass ÷ (height)² ✓
- body mass × height²
______ nervosa is a serious psychiatric disease that can lead to starvation.
- 'Anorexia ' ✓
Which two treatments can be used to treat anorexia nervosa?
- talking therapy ✓
- physiotherapy
- supervised weight gain ✓
- swimming
Match the person to the diet they should eat.
- builder
  
  ⇔
  
  high in carbohydrates and healthy fats along with a mix of fruit ✓
- child
  
  ⇔
  
  high in carbohydrates and protein ✓
- IT worker
  
  ⇔
  
  medium amount of carbohydrates, healthy fats, protein and fruit. ✓

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Not consuming a balanced diet can lead to ill health.
Body mass index (BMI) is calculated from a person’s height and body mass.
Not consuming enough food can cause BMI to become too low, and eventually lead to starvation.
Deficiency diseases are the result of not consuming enough of a particular nutrient.

Malnutrition is all about being too thin.

Clear statement included to dispel this myth.

Bmi - Body mass index (BMI) is a measure that compares your weight and height to assess whether they are in a healthy proportion.
Starvation - When a person does not receive enough calories for their normal bodily function.
Deficiency disease - A disease that occurs due to a lack of essential nutrients in the diet.