GENERAL HISTOLOGY

OESOPHAGUS STOMACH

BODY OF STOMACH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
True or false:Digestive juices in the human digestive system have different pH values.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -False: A body fluid such as gastric juice has the same pH range as blood because both are extracellular fluids. The pH of blood in normal individuals is 7.35-7.45. The pH of gastric juice within the stomach is 1.5-3.5. A highly acidic environment is needed in the stomach to aid in food digestion.

Detailed explanation-2: -In their normal state, gastric juices are usually clear in color. HCl is an important component in gastric juice. It is a strong acid produced by the parietal cells in the corpus generating a gastric pH of 2-3[1].

Detailed explanation-3: -The low pH is useful for “unraveling” proteins making them easier to digest and killing bacteria and other pathogens. The intestine on the other hand is around pH 6 to 7 which is important because the low pH of the stomach is potentially dangerous to the body.

Detailed explanation-4: -Gastric juice is highly acidic.

Detailed explanation-5: -You come equipped with numerous controls that activate whenever the pH shifts one way or another. Yet, the individual organ systems of your body maintain balance even though their different components have differing pH values. The digestive system exemplifies this balancing act.

There is 1 question to complete.