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Author Question: An unknown crystal exhibits positive birefringence. It is rhomboid in appearance. What is its most ... (Read 32 times)

tfester

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on: Jun 25, 2018
An unknown crystal exhibits positive birefringence. It is rhomboid in appearance. What is its most likely identification?
 
  a. Monosodium urate
  b. Starch particles
  c. Cholesterol crystals
  d. Calcium pyrophosphate

Question 2

A technologist is performing a body fluid analysis on a CSF specimen recently received in the laboratory. Four CSF tubes were sent to the body fluids bench. The tech notices that all four specimens seem moderately blood tinged equally.
 
  Moderate xanthochromia was also noted. The tech performs the cytospin differential and notices many macrophages with black crystals and round, pink intracellular bodies. What is the most likely reason for these findings?
 
  a. This was a traumatic specimen collection.
  b. The patient has a CNS lymphoma.
  c. The patient is suffering from a subdural hemorrhage.
  d. The wrong patient was drawn.


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Cnarkel

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Correct Answer: D

Answer to Question 2

Correct Answer: C


tfester

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

parshano

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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