Use the thesaurus entry for abstract to answer the question.

abstract
noun

Definition: a summary of points in brief form
Synonyms: summary, brief, digest, synopsis

verb
Definition: to make a summary of
Synonyms: summarize, outline

adjective
Definition: expressing a quality apart from an object, without a direct representation
Synonyms: theoretical, conceptual, nonrepresentational, ideal

Which is a possible synonym for the word abstract as it is used in this sentence?

The medical students were asked to abstract the information in the related case studies.

synopsis
summarize
ideal
conceptual