A cytochemical stain used specifically in the diagnosis of Hairy Cell Leukemia is

Normal platelets have a circulating life-span of approximately 

A patient who has been on antibiotics presents with bleeding. This can be caused by 

Which of the following is NOT correct regarding the international normalized ratio (INR)?

Given the following data:  WBC = 5,800/uL          Diff = Segs, 45 %; Lymphs, 40%; Monos, 8%; Eos, 4%; Basos, 3%               The absolute lymphocyte count on this patient is?

This final question requires a long-form response, which students should type in the content editor that appears below this question.

Which of the following cells are most likely to stain PAS positive?  

Auer rods may be seen in 

Vitamin K is required for the adequate provision of all but one of the following procoagulant factors: 

A 30-year old radiologist was admitted to the hospital with a fever and rheumatoid pains.  There was generalized lymphadenopathy and slight splenomegaly.  The hgb was 6.5 g/dL, hct was 25%, RBC count was 3.0×106/uL, WBC count was 40,000/uL, platelets were 50,000/uL.  The predominant cell on the smear was a blast cell. Auer rods were noted.  The probable diagnosis is