Answer: Worry
Explanation: Anticipatory fear could be explained as situation of anxiety or fright about the imminent occurrence of a bad or unwanted situation. Anticipatory fear occurs when a situation does not occur suddenly or within a very short while. Such situations could be perceived and the fear that it could occur will start to linger as long as the symptoms or conditions revolving around the situation persists.
During the period when the fear persists, one will try to get rid of the cause of these fear, which could be a threatening disease, an attack and so on. The act of trying to get rid of the fear by devising a plan or method is called worry, which involves thinking a d struggling with an escape route from the imminent reaukt of the fear.