Riboflavin is another name for:

A 21-year-old male has suffered a gunshot wound to the head. As you assess him, what finding would you recognize as a nonpurposeful response to pain?

A) Garbled and incomprehensible speech when you call his name B) Flexing his arms across his chest when you pinch his shoulder C) Attempting to move his hand away from you as you pinch it D) Exhibiting no response to any and all stimuli

The primary diagnosis is the main reason for the visit or encounter

Indicate whether this statement is true or false.