A patient presents with acute leukemia with blasts identified by a positive CD34, CD13, and CD33. Less than 3% of the blasts stain positive for MPO and SBB. Which category of AML is the most likely diagnosis for this patient?
a. AML minimally differentiated
b. AML without maturation
c. Acute myelomonocytic leukemia
d. Acute erythroid leukemia
Correct Answer: A
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A) prospective B) qualitative C) experimental D) nonexperimental
If there is suspected atmospheric CO then appropriately trained personnel with ____ should be the ones initially entering the scene.
A. self-contained breathing apparatus (SCBA) B. re-breather mask C. filter mask D. purifying respirator
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A) Detectable levels of branched-chain ketoacid dehydrogenase in blood B) Elevated blood levels of homocysteine, total homocysteine, and methionine and detectable homocysteine in the urine C) Elevated blood levels of tyrosine and succinylacetone in urine D) Elevated blood levels of methionine and detectable valine in the urine
What distance from the portable x-ray unit should sterile members of the surgical team stand to reduce their exposure while the image is being taken?
a. 1 foot b. 2 feet c. 4 feet d. as far as possible