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An elevated ALK, along with normal AST, ALT, and LD would be…

An elevated ALK, along with normal AST, ALT, and LD would be indicative of

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Polystyrene containers are unsuitable for specimen transport…

Polystyrene containers are unsuitable for specimen transport offsite because they

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Interpret the following results and determine the clinical s…

Interpret the following results and determine the clinical status of the patient. MARKER                           RESULT HBsAg                                Positive Anti-HBs                             Negative Anti-HBc (Total)                  Negative Anti-HBc (IgM)                    Positive

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A man gets a large splinter in his foot from his patio decki…

A man gets a large splinter in his foot from his patio decking. The man’s foot turns red, swells slightly, and pus forms around the area where the splinter is lodged. The splinter is pushed out of his foot within two days with no intervention, and he never develops an infection or suffers additional symptoms. What type of immune response helped to get rid of the splinter?

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A 16-year-old male exhibited the following symptoms: fever,…

A 16-year-old male exhibited the following symptoms: fever, fatigue, and a sore throat. He went to his primary care physician who ordered a rapid strep test and another for infectious mononucleosis. The rapid strep test was negative but the test result for infectious mononucleosis was weakly positive. The patient mentioned that he thought he might have had mononucleosis a few years earlier, but he was never officially diagnosed at that time. Now, his serum was sent to be tested against specific Epstein-Barr viral antigens. The results indicated the presence of only IgM anti-EBV antibodies. How do you know that this is a new and not a re-activated case of mononucleosis?

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An automated CBC result showed a RBC histogram with two peak…

An automated CBC result showed a RBC histogram with two peaks – one peak located in the normal region and the other located to its left. The WBC and platelet histograms are normal. Which patient condition would most likely show this type of histogram?

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A 4.0 mg/dL creatinine standard is needed.  To prepare 100 m…

A 4.0 mg/dL creatinine standard is needed.  To prepare 100 mL of the working standard, how much stock standard of 1 mg/mL creatinine is needed?

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A physician orders a factor IX assay. Which of the following…

A physician orders a factor IX assay. Which of the following screening tests had most likely been performed and found to be abnormal?

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A potential recipient is crossmatched with four units of RBC…

A potential recipient is crossmatched with four units of RBCs prior to surgery. The AHG crossmatches are all compatible; however, the antibody screen is positive after the antiglobulin test (AHG phase). What should the Clinical Laboratory Scientist do?

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Which of the following is a cytopathic effect induced by vir…

Which of the following is a cytopathic effect induced by viral growth?

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