Arsenal boss Arsene Wenger admitted he was relieved with the response of his team to the heavy home defeat to Bayern Munich after his side secured their place in the Emirates FA Cup semi-finals with an emphatic win against non-league side Lincoln City.Arsenal booked their place in a record 29th Emirates FA Cup semi-final after overcoming a vibrant Lincoln City side 5-0 at Emirates Stadium on Saturday.RELATED: More trouble for Arsenal as they and Bayern are chargedIt was a morale-boosting result following a tough run, and the under-fire Arsenal manager who has received the club's backing despite calls for his head by disgruntled supporters said after the game: "We were a bit nervous because your confidence drops when you don’t have the results. "The team was unjustifiably criticised for our last game against Bayern Munich because we had an outstanding game. The game was killed not by the fault of the players but we have to take a distance with us and have a look at a bigger perspective than people want to do. "Overall we had to respond today and that’s what we did. We had an outstanding game against Bayern Munich but our game was killed by the referee. I watched this game three times now and it’s still the referee who killed our game.RELATED: Wexit Pictures: Fans stage massive 'Wenger out' protest"I’m always focused on the next game. Overall I am of course happy that we won the game today, but I know that what is in front of us is more important. To keep the team focused, we go to West Brom and after we have an international break. It’s important, we’ve lost some ground with some teams at the top."Arsenal are back in Premier League action as they travel to West Brom next Saturday, looking for their first league win since February 11.