A Traumatic Brain Injury (TBI) Would Most Likely Be Caused

question 6

Multiple Choice

A traumatic brain injury (TBI) would most likely be caused by:

• A) witnessing fellow soldiers dying.
• B) accidentally shooting an unarmed civilian.
• C) nearby explosion of a concussion grenade.
• D) disappearance of best friend in platoon.

---

Definitions:

Marginal Benefit

The increase in utility or enjoyment an individual gets by consuming an additional unit of a good or service.

Marginal Cost

The extra expense associated with creating an additional unit of a product or service.

Streetlights

Outdoor lighting fixtures installed along streets to provide illumination during the night to enhance visibility and safety.

Marginal Social Benefit

The additional benefit to society from consuming or producing one more unit of a good or service.