.

anatomy/models.py

@@ -158,9 +158,12 @@ class AnatomyQuestion(models.Model):
         return reverse("anatomy:question_detail", kwargs={"pk": self.pk})
 
     def get_primary_answer(self):
-        ans = self.answers.filter(
-            proposed=False, status=Answer.MarkOptions.CORRECT
-        ).first()
+        if hasattr(self, "prefetched_primary_answer"):
+            ans = self.prefetched_primary_answer[0]
+        else:
+            ans = self.answers.filter(
+                proposed=False, status=Answer.MarkOptions.CORRECT
+            ).first()
         # ans = self.answers.first()
 
         if ans is None:
@@ -214,13 +217,26 @@ class AnatomyQuestion(models.Model):
         return unmarked_answers
 
     def get_unmarked_user_answer_count(self, exam_pk=None):
-        return len(self.get_unmarked_user_answers(exam_pk))
+        if exam_pk is None:
+            return self.cid_user_answers.filter(
+                score=Answer.MarkOptions.UNMARKED
+            ).count()
+        else:
+            if hasattr(self, "prefetched_unmarked_cid_answers"):
+                return len(self.prefetched_unmarked_cid_answers)
+            
+            else:
+                return self.cid_user_answers.filter(
+                    score=Answer.MarkOptions.UNMARKED, exam__id=exam_pk
+                ).count()
+        # return len(self.get_unmarked_user_answers(exam_pk))
 
     def get_marked_answers(self):
         return set(
             [
                 i.answer_compare
                 for i in self.answers.filter(proposed=False)
+                # for i in self.answers.all()
                 if i.status != i.MarkOptions.UNMARKED
             ]
         )
@@ -236,6 +252,7 @@ class AnatomyQuestion(models.Model):
             [
                 str(i)
                 for i in self.answers.filter(proposed=False)
+                # for i in self.answers.all()
                 if i.status == i.MarkOptions.CORRECT
             ]
         )