These instructions only work if your instructor has created a 'Submission View' for a quiz.
Access course in Brightspace
Select COURSE MENU then QUIZZES
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Select the chevron (down-arrow) to the right of the title of the quiz. Then select submissions.
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Select the attempt you want to review
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You will now possibly see the questions, your answers, and the correct answers for each question IF THAT IS HOW THE SUBMISSION VIEW FOR THIS QUIZ WAS DESIGNED.
Under each question, you will see 'View Feedback' , if your instructor has written feedback for that question. Select to see any feedback.