Insulin is a hormone that is exclusively produced by pancreatic beta cells. Beta cells are located in the pancreas in clusters known as the islets of Langerhans. When the beta cell is appropriately stimulated, insulin is secreted from the cell by exocytosis and diffuses into islet capillary blood.

Correct Option: D

Insulin is a hormone that is exclusively produced by pancreatic beta cells. Beta cells are located in the pancreas in clusters known as the islets of Langerhans. When the beta cell is appropriately stimulated, insulin is secreted from the cell by exocytosis and diffuses into islet capillary blood.

In anatomy, the common hepatic artery is a short blood vessel that supplies oxygenated blood to the liver, pylorus (a part of the stomach), duodenum (a part of the small intestine) and pancreas.

Correct Option: D

In anatomy, the common hepatic artery is a short blood vessel that supplies oxygenated blood to the liver, pylorus (a part of the stomach), duodenum (a part of the small intestine) and pancreas.

In terms of brain shape, the shark brain differs a lot from that of mammals and birds. However, in proportion to the body size shark brains usually are similar sized or bigger than those of most mammals and birds, and while arranged in a different way it seems to share the seme level of mental capacity. Some shark species seem to be as intelligent as mammals such as dogs, which is really impressive for a non-tetrapod.

Correct Option: A

In terms of brain shape, the shark brain differs a lot from that of mammals and birds. However, in proportion to the body size shark brains usually are similar sized or bigger than those of most mammals and birds, and while arranged in a different way it seems to share the seme level of mental capacity. Some shark species seem to be as intelligent as mammals such as dogs, which is really impressive for a non-tetrapod.

Type O-negative blood does not have any antigens. It is called the "universal donor" type because it is compatible with any blood type. Type AB-positive blood is called the "universal recipient" type because a person who has it can receive blood of any type.

Correct Option: C

Type O-negative blood does not have any antigens. It is called the "universal donor" type because it is compatible with any blood type. Type AB-positive blood is called the "universal recipient" type because a person who has it can receive blood of any type.

Epidemic dropsy is a form of edema of extremities due to intoxication with Argemone Mexicana seed oil. Sanguinarine and dihydrosanguinarine are two major toxic alkaloids of argemone oil, which cause widespread capillary dilatation, proliferation and increased capillary permeability.

Correct Option: E

Epidemic dropsy is a form of edema of extremities due to intoxication with Argemone Mexicana seed oil. Sanguinarine and dihydrosanguinarine are two major toxic alkaloids of argemone oil, which cause widespread capillary dilatation, proliferation and increased capillary permeability.