Nutrition, Diet And Body Weight Flashcards
What are the essential components of diet?
Carbohydrates Protein Fat Minerals Vitamin D.S. water Fibre
What is daily energy expenditure
Energy requirements which vary between individuals on the basis of sex gender, body composition and physical activity.
What is Daily energy expenditure a sum off
Basal metabolic rate
Diet induced thermogenesis (energy required to process the food you eat)
Physical activity level
What is the basal metabolic rate
Energy required to maintain resting activities of the body
What effects basal metabolic rate
Body size Gender Environmental temperature Endocrine status Body temperature
Which factors are involved in regulation of body weight
Eating less than the daily energy requirement
What is BMI ?
Weight / (height in metres ) ^2
Clinical consequences of protein and energy deficiency
Marasmus and kwashiorkor
Marasmus
Child looks evacuated w obvious signs of muscle wastage with a loss of body fat
- diarrhoea
Thin and dry hair
Kwashiorkor
- lathargic
- oedma as there is insufficent amino acids to form albumin, decreasing the oncotic pressure increasing the fluid flowing from the capillaries to the interstitium