What color change in plasma would require immediate attention during donation?

The correct answer is based on the critical nature of specific color changes in plasma that can indicate underlying health issues. Opaque amber or red plasma is a sign of potential contamination or the presence of abnormal compounds such as blood cells or lipids. These conditions are more serious and require immediate attention because they can indicate health risks for both the donor and the recipient of the plasma being collected.

In contrast, changes such as transparent yellow simply represent normal plasma coloration, and pale blue is not typically associated with a serious condition. Bright green plasma could suggest certain health issues or high levels of bilirubin, but it may not be as immediately concerning as an opaque amber or red finding. Therefore, the visible opacity and the presence of red coloring signal that further evaluation is necessary to ensure safety.