The goal of the continuous interscalene block is similar to the non-ultrasound-based techniques: to place the catheter in the vicinity of the trunks of the brachial plexus between the scalene muscles.The procedure consists of three phases: needle placement, catheter advancement, and securing of the catheter.he goal of the continuous interscalene block is similar to the non-ultrasound-based techniques: to place the catheter in the vicinity of the trunks of the brachial plexus between the scalene muscles.
Answers. Best Answer: It should be a chemical change, since it is likely that a reaction took place. Color is a physical characteristic of a substance, but a change in color is not.
Changeableâ¢ Color Change Markers consist of a set of six color markers and two Color Change Wands (see Table. 1). To use them, you simply write and/or draw on your paper with the color markers, allow them a few seconds to. dry, and use the Color Change Wand to change the bright color to a new color.