GI

Question 1

Gastric juice secretion:

Answer 1

1-1.5 l/day

Gastric juice is essential for digestion and contains hydrochloric acid.

Question 2

H+ concentration in gastric juice :

Answer 2

70-80 mmol/L

This high concentration contributes to the acidic environment necessary for digestion.

Question 3

pH range of gastric juice:

Answer 3

1.10-1.15

This low pH is crucial for activating digestive enzymes.

Question 4

What is the pH of the esophagus for more than 95% of the day?

Answer 4

> 4.0

This indicates a less acidic environment compared to the stomach.

Question 5

Daily pancreatic juice production:

Answer 5

500-700 ml/day

Pancreatic juice contains enzymes critical for digestion in the small intestine.

Question 6

Bile secretion:

Answer 6

600 ml/day

Bile is important for the emulsification of fats.

Question 7

Intestinal juice secretion:

Answer 7

2-3 L/day

Intestinal juice aids in the digestion and absorption of nutrients.

Question 8

Intestinal fluid reabsorption:

Answer 8

5-6 L/day

This process helps maintain fluid balance in the body.

Question 9

Fluid reabsorption in the colon:

Answer 9

1.5-2 L/day

The colon plays a key role in water absorption from waste.

Question 10

Water content of feces:

Answer 10

75-150 ml/day

This indicates the efficiency of water reabsorption in the digestive tract.