Which Is Correct About Using a Swab to Make a Smear

Multiple Choice

Which is correct about using a swab to make a smear?

A) It is okay to use the swab after it has been used to inoculate culture media.
B) Ensure the swab has not been used to inoculate culture media first.
C) Rub the swab back and forth on the glass slide to smear the specimen for easier viewing.
D) Dip the swab in thioglycollate broth for easier smearing on the slide.