The statement that overall health is related to a balance of the six dimensions of health is true. The six dimensions of health are physical (body functions), emotional (coping and expressing feelings), intellectual/mental (recognize reality and coping), spiritual (sense of purpose), environmental (keeping the planet safe) and social health (interactions with others). Deficiency in one of them effect the overall heath. It is very important to have balance between them in order to be healthy in general.
A Sengstsken Blakemore tube is a device inserted in the nose or as the mouth and used for the management of the upper gastrointestinal hemorrhage due to the esophageal varices. The laboratory that can evaluate the tube's effectiveness would be the Complete blood count specifically the Hemoglobin.