Ageing

Question 0

Nutritional requirements of the elderly

Answer 0

Energy requirements decline with ages due to decreased lean body mass
Pretoria requirements for men fall slightly with age
Micronutrients DRV similar to healthy adults
Malnutrition and malabsorption linked to deficiencies

Question 1

Biological markers of ageing

Answer 1

P53 activation
Telomere shortening
INK4A/ARF axis- Timor suppressant proteins

Question 2

How can protein deficiency occur?

Answer 2

Poor diet
Trauma
Poor appetite
Low finances

Question 3

Alternatives to calorie restriction

Answer 3

Cr combined with exercise
Alternative day fasting
Dietary restriction

Question 4

Dehydration in the elderly

Answer 4

Thirst sensation decreases
Medication may drive up water requirements
Contribute to acute conditional states, headache, delirium, infection falls
Physical signs- dry mouth, sunken eyes delayed capillary refill time