Question

Choose the correct sequence of events that occur during regulation of blood glucose .
i)increase in blood glucose
ii) increase in circulating glucagon
iii) release glucose from glycogen
iv) decrease in blood glucose level

A. iv), iii), ii), i)
B. iii),i),ii),iv)
C. iv), ii),iii),I)
D. i),ii),iv),iii)

Answer 1

For the effective function of the human body, energy is required. This required energy for the body is provided by the digestion of glucose obtained from the food. Ingestion, digestion, absorption, assimilation are the processes of digestion. So , it is important to maintain glucose level in our body.

Complete answer:
the hormones which are important in glucose regulation. Insulin and glucagon are the two hormones secreted by the pancreas. Pancreas is a both endocrine and exocrine gland . There are two types of cells in pancreas- alpha and beta cells . Alpha cells of the pancreas produce the glucagon and beta cells produce insulin. When the blood glucose level in the blood is more , Insulin converts the glucose into glycogen . The converted glycogen is stored in the liver for future use.
When the glucose level in the blood is reduced , the level of circulating glucagon is increased by the pancreas. The hormone glucagon converts the stored glycogen into glucose and produces the glycerol and fatty acids from the adipose tissue which assist in the formation of glucose. This increases the circulating blood sugar level. Thus, the glucose level in blood is maintained constant.
Hence the correct sequence of events is decrease in blood sugar level results in the increase of circulating glucagon and it results in the release of glucose from glycogen and the blood glucose level is increased.

Hence, the correct answer is option (C).

Note: Abnormalities in blood glucose level causes clinical aberrations . Increase in blood glucose level results in hyperglycaemic condition and decrease in blood glucose level results in hypoglycemic condition. The normal blood glucose level is eighty to hundred twenty milligram per deciliter.