See https://und.teamdynamix.com/TDClient/2048/IT/KB/ArticleDet?ID=59797 for Contact at the end to get support.

• Add Assessment → Test
  • Set Due Date
• Create Your Assessment using + symbol. → Add Question Pool
  • Typically 10 Questions from the pool
• Select the icon for Assessment Settings
  • Display One Question at a Time
  • Randomize Questions
  • Randomize Answers
  • Change Grade Category → Quiz
  • Set Grading Points → 10
  • Set Attempts Allowed → 5
  • Set Attempts to Grade → All Attempts
  • Randomize Answers
  • Submission View → Available after submission
  • Automated Questions Feedback → Available after submission
  • Question Scores → After individual Grade is Posted
  • Time Limit → 5 minutes
  • Set Title
  • Select X
• Unhidden from students

• Create Previous Exam Copy
  • Under “Course Management”, “Course Tools”, “Tests, Surveys, and Pools” find the previous exam.
  • Next to the exam, select the ^ symbol and select “Copy” to create a new test.
• Update the Settings
  • Go to the “Exam” section of the class Blackboard site.
  • Select “Assessments” and “Test”
  • Select the new exam under “Add an Existing Test”
• Remove Questions from previous exams.
  • Go to old exam and select 'Item Analysis“
  • Use the “Run” button to create analysis or view the 'Available Analysis'
  • Remove all questions with Difficulty of 100 %.
    • Select Exams in class section of Blackboard.
    • Use ^ and select 'Edit the Test'
    • Expand Question section using the & ensure all questions are deplayed, if not use the 'Show All' buttom
    • View the list of question by Difficulty in report.
    • Search exam using browser 'Find' option, File question to select and select it.
    • Delete selected questions
• Issues:
  • There is no undo so if you remove questions or selection of questions you have to start over.