referral. 1. A Pt who has been sentâreferredâfor a 2 nd opinion or therapy to a specialist or subspecialist with greater expertise, as the Pt has a disease or condition that the primary or referring physician cannot, or does not wish to, treat.See Second opinion.2.. A Pt who has been sentâreferredâfor a 2 nd opinion or therapy to a specialist or subspecialist with greater expertise, as the Pt has a disease or condition that the primary or referring physician cannot, or does not wish to, treat. See Second opinion.
Best Answer: Haemoglobin is a protein and all proteins contain the elements Nitrogen, Hydrogen, Carbon and Oxygen only but Haemoglobin also contains Iron.emoglobin or haemoglobin is the iron-containing oxygen-transport metalloprotein in the red cells of the blood in mammals and other animals. The molecule consists of globin, the apoprotein, and four haem groups, an organic molecule with an iron atom. Source(s): wikipedia. Ed F Â· 9 years ago.
Haemoglobin is an aggregation of four globular proteins (typically two alpha and two beta subunits), each with an embedded haeme group. Each haeme group allows the binding of an oxygen molecule. Haeme derives from an organic porphyrin ring with an inorganic iron molecule (Fe) (Figure 3).