Mucus moistens and cleans the nasal membranes, humidifies air, traps and clears inhaled foreign matter, and fights infection. Although it is normally swallowed unconsciously, the feeling of it accumulating in the throat or dripping from the back of your nose is called post-nasal drip.
RDW refers to the variation in size if your red blood cells. A â¦ low RDW means that the cells are all roughly the same size. A high RDW means there isa high variation in the sizes of the cells and usually means a deficiency of iron and/or B12.
Blood count terms: Rdw means red cell distribution width, which is the range of values for the width of your red blood cells. A higher number could mean that you are making lots more red cells for some reason. Mch mean mean (or average) red cell hemoglobin, which is the amount of hemoglobin in each red blood cell.