Card Verification Code can be found on the back of the card, usually
within the signature panel.
can be found on the front of your card, just above the
number on the right side.
I don't have much experience working specifically with the elderly. I do, however, help a friend who has Muscular Dystrophy. I help her with meals and lifting her on and off the toilet when I work. I also have many years in childcare experience.