var bindingPathEntryRequests = {
    'InventoryItem.InventoryItemName': function callback(targetObservable) {
        // Do InventoryItemName callback stuff...
    },
    'Incident.Exposure': function(targetObservable) {
        // Do Exposure callback stuff...
    }
};

Object.keys(bindingPathEntryRequests)
    .forEach(function (bindingPathEntryRequestName) {
        params.getDataFunc(bindingPathEntryRequestName)
            .done(bindingPathEntryRequests[bindingPathEntryRequestName],
            function handlerError(er) {
                imagetrend.logging.log.error('Exception encountered while retrieving  data for \'' + bindingPathEntryRequestName + '\'', er);
            });
    });