What is the key element for oxygen delivery in red cell metabolism? 

Which red cell inclusions are remnants of DNA? 

When red blood cells hemolyze, what is the molecule released that will give plasma the reddish appearance?

Select the criteria that indicates intravascular lysis. There are multiple answers. All answers must be selected to receive credit. 

The degree of effective erythropoietic activity in any hematological disorder can most readily be assessed by which analysis? 

Physiological conditions in the body that will result in a shift to the left of the oxygen dissociation curve? 

Select the criteria that indicates extravascular lysis.  There are multiple answers. All answers must be selected to receive credit. 

The higher the N:C ratio, the more mature the cell. 

Globin chains are made of 

A 62 year old male presents to the office for complaints of lower back pain for the past 3-4 months. He reports that he feels better when he bends forward and it is worse if he bends backwards or stands up straight. He has tried NSAIDs and tylenol but the they have not been helpful to him. He denies weight loss/weight gain. He is otherwise healthy and only takes valsartan for high blood pressure. The rest of his exam is normal.  1. What is the most likely diagnosis? 2. What is the work-up for him? 3.What is the treatment plan for him?