A similar meaning to “as”, in bold type in the passage, is

Read the synopsis and answer questions 28 and 29.

The Secret life of pets

Taking place in a Manhattan apartment building, Max’s life as a favorite pet is turned upside down, when his owner brings home a sloppy mongrel named Duke. They have to put their quarrels behind when they find out that an adorable white bunny named Snowball is building an army of lost pets determined to take revenge.

Fonte: www.imdb.com/title/tt2709768

GLOSSARY:

Mongrel: a dog that is a mixture of different breeds.