Match each of the following Gram stain items/actions to the appropriate statement.
Select the correct match for each item from the drop-down box
| Can cause gram-negative organisms to stain blue to purple, leading to an erroneous gram-positive result |
| The preferred preparation for a Gram stain |
| Should stain pink to red, like gram-negative rods |
| Can cause gram-positive organisms to stain pink to red, leading to an erroneous gram-negative result |
| Reactivity verified with every new batch of stain and at least weekly against known gram-positive and gram-negative control organisms |
| Should stain blue to dark purple, like gram-positive cocci |
