Correct answer:

(1) Hypothermia.
(2) Hypercalcaemia.
(3) Hyperlipidaemia.
(4) Postoperative.
(5) Alcohol.
(6) Gallstones.
(7) Endoscopic retrograde cholangiopancreatography
(8) Drugs.
(9) Carcinoma of the pancreas.
(10) Infection.
(11) Trauma.
(12) Vascular.
The two most common causes are gallstones and alcohol.