Abbreviations (shortened forms of full terms) are everywhere, so we should know how to deal with them in our writing. Try this quiz to see how you measure up!

1. What is the correct way to write the abbreviation for “extension” after a phone number?
2. Which one of the following lists contains only initialisms?
3. Each sentence below contains the abbreviation for “etcetera.” Which sentence follows the punctuation rules for the use of this abbreviation?
4. What is the best way to address a letter to someone with a medical degree (MD)?
5. Which of the following lists of abbreviations is correct?
6. Which of the following statements is true?