alleryStart learning →Bile is an alkaline solution. What pH range does it have?
ApH 1.5 to 3.5
BpH 7.1 to 8.2
CpH 6.35 to 6.85
DpH 7.6 to 8.6
Answer & Solution
Correct answer: D. pH 7.6 to 8.6
1. Hepatocytes secrete about one liter of bile each day.
2. Bile is a yellow-brown or yellow-green alkaline solution with a pH of 7.6 to 8.6.
3. It is a mixture of water, bile salts, bile pigments, phospholipids, electrolytes, cholesterol and triglycerides.
4. The pH 7.1 to 8.2 range belongs to pancreatic juice, which is alkaline but less so.
5. A pH of 1.5 to 3.5 is gastric acid, and 6.35 to 6.85 is the buffered range of saliva.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 23 "The Digestive System", section 23.6 Accessory Organs in Digestion: The Liver, Pancreas, and Gallbladder_
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