LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the characteristic of a pancreatic juice as it contains a rich supply of bicarbonate?
A
very basic
B
basic
C
acidic
D
very acidic
Explanation: 

Detailed explanation-1: -Pancreatic juice is alkaline in nature due to its high concentration of bicarbonate ions that neutralize the gastric acid and allow effective enzymic action. Pancreatic juice secretion is regulated by the hormones secretin and cholecystokinin.

Detailed explanation-2: -Sodium bicarbonate is responsible for the slight alkalinity of pancreatic juice (pH 7.1 to 8.2), which serves to buffer the acidic gastric juice in chyme, inactivate pepsin from the stomach, and create an optimal environment for the activity of pH-sensitive digestive enzymes in the small intestine.

Detailed explanation-3: -Secretin stimulates the secretion of bicarbonate-rich pancreatic fluid.

Detailed explanation-4: -The pancreas also secretes large amounts of sodium bicarbonate, which protects the duodenum by neutralizing the acid that comes from the stomach Stomach The stomach is a large, bean-shaped, hollow muscular organ consisting of four regions: Cardia Fundus Body Antrum read more .

There is 1 question to complete.