A4 Endocrine system - pancreas

Question 1

Describe the role of the endocrine system?

Answer 1

Consists of glands that secrete hormones into blood stream

Question 2

Name the hormones released by the Islets of Langerhans

Answer 2

Insulin
Glucagon

Question 3

Name the hormone released by the beta cells in the Islet of Langerhans

Answer 3

Insulin

Question 4

Name the cells responsible for the production of insulin and glucagon

Answer 4

Insulin = beta cells
Glucagon = alpha cells

Question 5

Describe the process of glycogenolysis

Answer 5

Hydrolysis of glycogen
Forms glucose
used when blood glucose levels are low

Question 6

Describe the process of glycogenesis

Answer 6

Formation of glycogen
Occurs in the liver and muscles.

Question 7

Name the organ responsible for detecting and controlling blood glucose concentrations

Answer 7

Pancreas

Question 8

Name the target cell/organ for insulin and glucagon

Answer 8

Liver and muscles

Question 9

When is glucagon released from the pancreas?

Answer 9

Blood glucose levels are low

Question 10

When is insulin released from the pancreas

Answer 10

Blood glucose levels too high