Final answer:
Injection of corticotropin-releasing hormone (CRH) into the brain would result in behavioral signs of anxiety.
Step-by-step explanation:
Injection of corticotropin-releasing hormone (CRH) into the brain would be expected to result in behavioral signs of anxiety. CRH is a key factor in the stress response and plays a critical role in coordinating various aspects of the stress response, including behavioral, neuroendocrine, and autonomic responses.