A weekly examination of the San Francisco 49ers' quarterback play.Rewind: Colin Kaepernick aired it out in Sunday's 32-20 win over the Arizona Cardinals compared to the past four weeks. He threw for 252 yards against the Cardinals. It was his highest passing yardage total since Week 1, when he threw for a career-high 412 against the Green Bay Packers.Fast-forward: Kaepernick will face a road test at Tennessee on Sunday. It will be his first game against the Titans.