The question asks about the most common type of gallstone. Within the options provided, the correct answer is "Mixed stones." To understand why, let's explore the characteristics of each type:
The prevalence of mixed stones is due to their formation process, which combines several elements, making them the most encountered type in clinical settings.

The normal pH of arterial blood is:
Which enzyme is deficient in Gaucher’s disease?
Which of the following cranial nerves is responsible for the motor innervation of the muscles of mastication?
The anticoagulant effect of heparin is monitored using:
The causative agent of malaria is: