Blog

Which of the following antigens is most likely to activate the alternative pathway of complement?

A 20 year old patient presents with swollen and painful lymph nodes, fever, and complaints of severe itching.  A biopsy of their lymph nodes shows a population of Reed Sternberg Cells (“owl cells”) that are CD30 and CD15 positive. Based on this information, this patient most likely has which immunoproliferative disease:

Which of the following is true regarding the QC data below? The mean is the solid black line in the middle, the wide dotted blue lines are +/-1SD , the dotted green lines are +/-2SD, and the top and bottom dotted blue lines are +/-3SD.         Question 27.png  

A college age student presents to student health with fever, sore throat, swollen lymph nodes and extreme fatigue. CBC data show increased total lymphocytes with many noted as atypical. The provider suspects Epstein Barr Virus. EBV can cause:

Rheumatoid factor is:

Which of the following gene segments make up the light chain of an antibody? 

Which of the following is not a potential source of postanalytical error?

The presence of an M protein on immunofixation electrophoresis (IFE) is indicated by:

*****Show your work: For how you reached your final answer for each blank in your submission. Include your formula(s)  as part of work shown*****   During the past year, the pharmacy spent $1,250,000 for inventory supplies. The average inventory value during the past year was $685,000.    What is the inventory turnover rate? [blank1] . Round all answers to tenths place

A blue-top tube with a patient’s blood sample is received in the laboratory. The tube is filled about one-third full with the blood sample. Would this sample be acceptable for PT and aPTT testing?