Which of the following is considered a gross misdemeanor related to assault?

The classification of assault as a gross misdemeanor in the context of targeting a vulnerable adult highlights the legal system's recognition of the need for heightened protections for individuals who may not be able to defend themselves or who are at greater risk of harm. Assaulting a vulnerable adult, particularly when the assailant is aware of their vulnerability, is treated seriously because it exploits a person's lack of ability to protect themselves due to age, disability, or other factors. This recognition is in place to deter potential offenders from taking advantage of such individuals and to provide justice for those who are particularly at risk.

In contrast, while the other scenarios involve assaults that are also serious, they may not meet the specific criteria that elevate them to gross misdemeanors under the law, as the classification can depend on various factors, including the relationships between the parties involved and the circumstances surrounding the incident. The legal system often distinguishes between assaults based on their impact on victims, particularly those in vulnerable positions, hence the explicit consideration of factors like the victim's condition in determining the severity of the misdemeanor.