A $35-$year$-$old male presents to the ER with a laceration on his left hand. The patient reports that an hour

ago, he was working on renovations in his $1945$ home when an old board fell and injured his hand. The

laceration is approximately $3$ inches long and moderately deep. The cut appeared to be bleeding heavily, but

he stopped it by holding pressure on the site with an old t$-$shirt.

Which line$($s$)$ of defense has been breached for this injury?

First and second lines of defense

Second line of defense

First line of defense

First, second, and third lines of defense