Ageing and nutrition Flashcards
Ageing
growing old or developing the characteristics related to old age - increased susceptibility to disease and a decline in physical vigour
When do you start to age
Mid 20s
Components making up nutritional status
Physical activity Basal metabolic rate Chronic disease Cognitive impairment Physiological changes
How do you determine BMR
How much energy you use each day
What is sarcopenia
Muscle wasting
Determinants of nutrition
Age Ethnicity grief Social status T2D Arthritis Osteoporosis Constipation
energy balance calculation
Energy in (nutrition) - energy out (metabolism, physical activity, thermogenesis)
Daily calorie recommendation for each sex
2500 men and 2000 women
What are micronutrients?
Vitamins and minerals etc
bones and micronutrients
- Vit D produced when cholesterol converted to pre-vitamin D3 by UV light, which gets activated by liver and kidney enzymes into vit D
- Vit D maintains blood concentration of calcium and phosphorus
- Prevents osteomalacia and muscle weakness
- With ageing = less sun = less vit D = weak bones
Define malnourishment
BMI <18.5
Unintentional weight loss greater than 10% over 3-6 months
factors to consider when looking at malnutrition
Diarrhoea Depression Dementia Dentition Dysfunction Dysphagia
Full bladder capacity
500ml
Which nervous system excretes urine
PS - s2-4
Which nerves stop you passing urine?
Sympathetic (T12-l2)