Final answer:
The appropriate nursing diagnosis for the adult patient would be Anxiety.
Step-by-step explanation:
The appropriate nursing diagnosis for the adult patient who is hospitalized after a motorcycle crash and is experiencing anxiety about missing work and losing insurance coverage would be Anxiety. Anxiety is characterized by feelings of fear, worry, and apprehension, which the patient is expressing due to their concerns about work and insurance. The nurse can address this diagnosis by providing emotional support, teaching relaxation techniques, and collaborating with the patient to develop coping strategies.