| A | B |
| 344. When did Christ institute the Holy Eucharist? | Christ instituted the Holy Eucharist at the Last Supper; the night before He died. |
| 345. Who were present when Our Lord instituted the Holy Eucharist? | When Our Lord instituted the Holy Eucharist the apostles were present. |
| 346. How did Christ institute the Holy Eucharist? | Christ instituted the Holy Eucharist in this way: He took bread; blessed and broke it; and giving it to His apostles; said: “Take and eat; this is My body'; then He took a cup of wine; blessed it; and giving it to them; said: “All of you drink of this; for this is My blood of the new covenant which is being shed for many unto the forgiveness of sins'; finally; He gave His apostles the commission: “Do this in remembrance of Me.' |
| 347. What happened when Our Lord said: “This is My body…this is My blood'? | When Our Lord said; “This is My body;' the entire substance of the bread was changed into His body; and when He said; “This is My blood;' the entire substance of the wine was changed into His blood. |
| 348. Did anything of the bread and wine remain after their substance had been changed into Our Lord’s body and blood? | After the substance of the bread and wine had been changed into Our Lord’s body and blood; there remained only the appearances of bread and wine. |
| 349. What do we mean by the appearances of bread and wine? | By the appearances of bread and wine we mean their color; taste; weight; shape; and whatever else appears to the senses. |
| 350. What is the change of the entire substance of the bread and win into the body and blood of Christ called? | The change of the entire substance of the bread and wine into the body and blood of Christ is called Transubstantiation. |
| 351. Is Jesus Christ whole and entire both under the appearances of bread and under the appearances of wine? | Jesus Christ is whole and entire both under the appearances of bread and under the appearances of wine. |
| 352. How was Our Lord able to change bread and wine into His body and blood? | Our Lord was able to change bread and wine into His body and blood by His almighty power. |
| 353. Does this change of bread and wine into the body and blood of Christ continue to be made in the Church? | The change of bread and wine into the body and blood of Christ continues to be made in the Church by Jesus Christ; through the ministry of His priests. |
| 354. When did Christ give His priest the power to change bread and wine into His body and blood? | Christ gave His priests the power to change bread and wine into His body and blood when He made the apostles priest at the Last Supper by saying to them: “Do this in remembrance of Me.' |
| 355. How do priests exercise their power to change bread and wine into the body and blood of Christ? | Priests exercise their power to change bread and wine into the body and blood of Christ by repeating at the Consecration of the Mass the words of Christ: “This is My Body…this is My blood.' |
| 356. Why does Christ give us His own body and blood in the Holy Eucharist? | Christ gives us His own body and blood in the Holy Eucharist: First; to be offered as a sacrifice commemorating and renewing for all time the sacrifice of the cross; Second; to be received by the faithful in Holy Communion; Third; to remain ever on our altars as the proof of His love for us; and to be worshipped by us. |