[Situation: They are at a concert.]
Oh, no! My throat feels funny. COUGH! Mom jumps from the sound.
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In this situation, does Mom stands up from the chair? Or, is she worried or surprised from the sound without standing up? I found the definition from Longman dictionary? Does she get up? Or she doesn't get up, but she is surprised or frightened. Which meaning does 'jump' have?
*** in fear/surprise [intransitive] to make a quick sudden movement because you are surprised or frightened ==={Longman]