Index: sites/all/modules/quiz/quiz.admin.inc
===================================================================
--- sites/all/modules/quiz/quiz.admin.inc	(revision 80)
+++ sites/all/modules/quiz/quiz.admin.inc	(working copy)
@@ -468,7 +468,7 @@
     $frequency = 'always';
   }
   elseif (!empty($form_state['values']['random_autocomplete'])) {
-    drupal_set_message('Adding random question', 'status');
+    drupal_set_message(t('Adding random question'), 'status');
     $new_question = $form_state['values']['random_autocomplete'];
     $frequency = 'random';
   }
Index: sites/all/modules/quiz/quiz.module
===================================================================
--- sites/all/modules/quiz/quiz.module	(revision 80)
+++ sites/all/modules/quiz/quiz.module	(working copy)
@@ -1277,7 +1277,7 @@
 
   if (isset($result->is_skipped) && $result->is_skipped == TRUE) {
     if ($options['set_msg']) {
-      drupal_set_message('Last question skipped.', 'status');
+      drupal_set_message(t('Last question skipped.'), 'status');
     }
     $result->is_correct = FALSE;
     $result->score = 0;
@@ -1583,7 +1583,7 @@
     if ($taken) {
       if ($user_is_admin) {
 
-        drupal_set_message('You have taken this quiz already. You are marked as an owner or administrator for this quiz, so you can take this quiz as many times as you would like.', 'status');
+        drupal_set_message(t('You have taken this quiz already. You are marked as an owner or administrator for this quiz, so you can take this quiz as many times as you would like.'), 'status');
       }
       // If the user has already taken this quiz too many times, stop the user.
       elseif ($taken >= $quiz->takes) {
@@ -1675,7 +1675,7 @@
       $scores[] = $function($quiz, $question->child_nid, $question->child_vid, $rid);
     }
     else {
-      drupal_set_message('A quiz question could not be scored: No scoring info is available', 'error');
+      drupal_set_message(t('A quiz question could not be scored: No scoring info is available'), 'error');
       $dummy_score = new stdClass();
       $dummy_score->possible = 0;
       $dummy_score->attained = 0;
@@ -2244,7 +2244,7 @@
 function _quiz_get_random_questions(/*$num_random, $tid*/ $quiz) {
 
   if (!is_object($quiz)) {
-    drupal_set_message('The question pool cannot be generated.', 'error');
+    drupal_set_message(t('The question pool cannot be generated.'), 'error');
     watchdog('quiz', '_quiz_get_random_questions was called incorrectly.', array(), WATCHDOG_ERROR);
     return FALSE;
   }