Question
The most common type of gallstone is:
| A. |
Mixed stones
|
| B. |
Pure cholesterol stones
|
| C. |
Pigment stones
|
| D. |
Calcium bilirubinate
|
Show Answer
|
Correct Answer » A
Explanation
|
|
Mixed gallstones are the: Most common type of gallstones worldwide.
- They contain:
- Cholesterol
- Calcium salts
- Bile pigments
- Proteins
- Usually formed due to:
- Supersaturation of bile with cholesterol
- Gallbladder stasis
- Infection/inflammation
Why Other Options are Incorrect
B. Pure cholesterol stones
- Common in Western countries
- But less common overall than mixed stones.
C. Pigment stones
- Less common
- Associated with:
- Hemolytic anemia
- Cirrhosis
- Biliary infection
D. Calcium bilirubinate
- Constituent of black pigment stones
- Not the most common gallstone type.
