Final answer:
To enhance the importance of the announcement, the nurse should use nonverbal communication techniques such as standing during the announcement, maintaining a confident posture, and avoiding distracting actions.
Step-by-step explanation:
In order to enhance the importance of the announcement, the nurse should use nonverbal communication techniques such as sitting in front of the group for the meeting and then standing for the announcement to create a visual change that captures attention. Additionally, she should use a strong and upright posture to convey confidence and professionalism.
However, it is important to avoid actions that may create distractions or negative impressions, such as crossing arms over the chest or staring at specific individuals. These actions can hinder effective communication and detract from the importance of the announcement.