What crime is committed if a person intentionally restrains another, exposing them to serious bodily injury?

The correct answer is unlawful restraint. This crime occurs when an individual intentionally restricts another person's freedom of movement without legal justification. It specifically emphasizes the act of restraining, which can lead to serious bodily injury, thus indicating severity in the act.

Unlawful restraint typically applies when someone is held against their will, suggesting that the victim is not free to leave and might be exposed to harm or danger due to that restraint. The element of exposing the individual to serious bodily injury is crucial, as it highlights the potential consequences of the restraint.

While other crimes like assault and false imprisonment also involve elements of harm or restriction, they do not fully capture the aspect of intentional physical restraint and the specific exposure to serious bodily injury as clearly as unlawful restraint does. Kidnapping would generally involve the unlawful taking or carrying away of a person by force or fraud, and typically suggests a longer-term holding or transport, which isn't the primary focus in this specific scenario.