Final answer:
The nurse observed symptoms like trembling voices, increased respiration rate, confusion, indecisiveness, tapping foot, and lip chewing in the client's parents, indicating moderate anxiety.
Step-by-step explanation:
When assessing a client's parents for anxiety, the nurse observed several symptoms of anxiety. The symptoms include talking in trembling voices, increased respiration rate, confusion and indecisiveness, tapping foot, and lip chewing. These symptoms indicate moderate anxiety.