Question

1. Which of the following occurs during prolonged fasting (starvation)?

   1. As the fast progresses tissues rely predominantly on fuels derived from adipose triglycerides

   2. After 3-5 days of fasting the brain increases its utilization of glucose and the rate of gluconeogenesis and the production of urea increase

   3. Blood ketone levels decrease dramatically after 3-5 days of fasting??

   4. Blood glucose levels increase dramatically during a four-week fast

   5. Tissues use the same amount of glucose that they use during a brief fast

Answer 1

During prolonged fasting (starvation)

Answer - As the fast progress tissues rely predominantly on fuels derived from adipose triglycerides

In the initial stage of fasting, the body depends on glucose but when fasting gradually progresses the glucose level in the body decreases so, the body starts depending on the fat.

In prolonged fasting production of urea decrease because of decrease production glucose and Blood ketones increases because of energy production from fat.