Alpha and Beta Cells in the Endocrine Portion of the Pancreas

Multiple Choice

Alpha and beta cells in the endocrine portion of the pancreas:
1) can be found in the pancreatic islets (islets of Langerhans)
2) secrete their hormones into the pancreatic duct
3 secrete hormones that regulate calcium levels in the body
4) are responsible for maintaining homeostatic levels of glucose
5) aid in the production of enzymes used for protein digestion

A) 1 and 2
B) 2, 3 and 5
C) 4 only
D) 1 and 4