Something

function phptemplate_node_form($form) {
if ($form['form_id']['#value'] == 'content_questions_node_form') {
$form[field_question][0][format] = '';
$form['comment_settings'] = '';
$form['author'] = '';
$form['options'] = '';
$form['menu'] = '';
return _phptemplate_callback('content_questions', array('form' => $form));
}
}