.

longs/models.py

@@ -1,6 +1,7 @@
 from django.db.models.fields.files import ImageField
 from django.db.models.fields.related import ForeignKey
 from django.db import models
+from django.shortcuts import get_object_or_404
 from django.utils import timezone
 import tagulous
 import tagulous.models
@@ -417,8 +418,8 @@ class Exam(ExamBase):
         default=4500,
     )
 
-    def get_exam_question_json(self, n):
-        q = self.exam_questions.all()[n]
+    def get_exam_question_json(self, question_id):
+        q = get_object_or_404(Long, pk=question_id)
 
         #exam_order.append(q.id)