Answer: There is a release of stress hormones within the body when a person in under stress. These include cortisol and catecholamines. These hormones are mobilizers of glucose. Under stress the glucose is released and this leads to insulin release. The insulin causes the glucose to move inside cells because of the increased levels of hormone. This can lead to hypoglycemia. This is the reason why it is a good idea to have a meal before going to the dentist so that the blood glucose level can be maintained.
Answer: During trauma there is damage to the cells of the body. The energy requirement of the body increases. This increase is due to many reasons. The cell turnover rate increases hence there is increased requirement for proteins for making new cells as well as the energy requirement increases because of the additional energy required. This leads to a depletion of the body energy stores. Glycogen stored in the liver is utilized first. Gluconeogenesis also ensues to overcome the energy requirement. Hence the lipids and proteins of the body are also utilized. This accounts for the weight loss seen in trauma.
Answer: Diet is very important in people who are recovering from illness. This is because during illness there is breakdown of cells in the body. When a person is recovering there is greater cell differentiation of cells and utilization of not only proteins, carbohydrates, lipids but also vitamins and minerals which are required by the body. If the diet of these patients is not monitored they can suffer from deficiency conditions of these essential nutrients. This can also compromise the immunity of the patient hence making him susceptible to infections. Therefore the diet of convalescent patients is important.
Answer: Exercise is important in weight loss programs because during exercise the body utilizes initially the carbohydrate stores of the body for energy and then it also starts using the