Question

Which one of the following pairs of the kind of cells and their secretion is correctly matched ?

• A. Oxyntic cells - a secretion with pH between 2.0 and 3.0
• B. Alpha cells of islets of Langerhans -secretion that decreases blood sugar level
• C. Kupffer cells - a digestive enzyme that hydrolyses nucleic acids
• D. Sebaceous glands - a secretion that evaporates for cooling

Answer 1

Answer: (A)

Oxyntic cells - a secretion with pH between 2.0 and 3.0

Answer 2

Oxyntic cells occur in the wall of stomach. These secrete hydrochloric acid that forms part of the gastric juice and helps in the maintaining $pH$ between $2$ to $3$ . Alpha cells of islet's of Langerhans of pancreas secrete glucagon hormone that increase blood glucose level. Kupffer cells are specialized macrophages that dispose of old blood cells and particulate matter. Sebaceous glands secrete sebum on to the surface of skin. Sebum is a fatty mildy antiseptic material that protects, lubricates and waterproofs the skin and hairs and helps to prevent desiccation.