Physiology

Question 1

Change in lean body mass in elderly

Answer 1

Due to decline in growth hormone secretion with aging
Circulating level of IGF-1 tht occur with normal aging
Loss of sex steroids,Menopause in women
More gradual aging in men

Question 2

In healthy individual

Answer 2

Loss of body fat tissue balances with loss in lean body mass

Question 3

Decreased hunger

Answer 3

Reduced actuvity

Loss of lean bodymass,thus producing lower demand for calories and food

Question 4

Physiological changes in elderly predisposing WL

Answer 4

Reduced chemosensory function
Red chewing efficiency
Slow gastric emptying
Alterations in nueroendocrine axis
Changes in leptin ,cholecystokinin, nueropeptide y and other hormones and peptides
Which are associated with an early satiety