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.
PHYSICAL CHANGE CHEMICAL CHANGE. 1. a change in size, shape, or state 1. a change in the physical and. 2. no new substance is formed chemical properties. 2. a new substance is formed. Identify the following as physical (P) or chemical (C) changes. P 1. NaCl (Table Salt) dissolves in water. C 9.