Final answer:
Startling easily to loud noises and being touched are characteristic behaviors of the panic phase of crisis behavior.
Step-by-step explanation:
The nurse would recognize startling easily to loud noises and being touched as being characteristic of the panic phase of crisis behavior. During this phase, individuals may display heightened sensitivity and reactivity to sensory stimuli. This can manifest as being easily startled by loud noises or feeling overwhelmed by physical touch.