(i) The first example highlights two of the key words/phrases the short answer question is asking you to expolore: integrated learning and the benefits of this approach.
(ii) The second example highlights the directive verbs define and explain. Define means to give the precise meaning, nature or scope. Explain means to make clear by extracting the relevant facts or ideas.
(iii) The third example highlights two of the key phrases of the short answer question: integrated learning and learning approach; however, these are not the directive verbs.