I'm scared to view the quiz in my course as I have a limited number of attempts.
Your lecturer may have only allowed a limited number of attempts for quizzes in your course. This may be for assessment purposes. So when you view a quiz, you may be warned that you only have X number of attempts to answer your questions.
Be assured that:
If you don't press the Submit button at the end of the attempt, the quiz remains open so you haven't used your attempt.
If you mistakenly submit an attempt, your lecturer can easily delete your attempt so that it's reset.