MLS LABCE Certification A exam 2023 with correct answers

Troponin I is used frequently to assess acute myocardial infarctions (AMI). If a patient has experienced an AMI, at what point (approximately) will the troponin I begin to increase and how long will it stay increased? correct answers3-12 hours, 7-14 days The top image shows the microscopic appearance of yeast cells within a colony growing on cornmeal tween 80 agar. These same cells may also be observed in a tissue section (bottom image) taken from an area of inflammation. The tissue section is stained with Gomori Methanimine Silver and shows a clear area around the cells. Which of the following organisms could be the cause of this inflammation? correct answersCryptococcus neoformans Acute intravascular hemolysis as the result of a blood transfusion is most often associated with which of the following causes? correct answersTransfusion of ABO incompatible red blood cells An increased number of the cells seen in the image, upon microscopic examination of urine is termed: correct answersHematuria Which of the following conditions would be associated with an increased osmotic fragility test result? correct answersHereditary spherocytosis The weight of NaCl present in 650 ml of a 0.85% NaCl solution is: correct answersWeight = (650 mL / 100 mL) x (0.85%) = 5.525 grams A physician suspects his patient might have rheumatoid arthritis. Which of the following markers should be ordered? correct answersAnti-IgG A 300 µg dose of RhIg (Rh immune globulin) can suppress immunization to how many mL of D-positive whole blood? correct answers30 mL Which of the following statements are true regarding the storage and handling of urinalysis chemical reagent strips? correct answersRemove only enough strips for immediate use.