ASCP CG Certification Practice Exam with Questions and Answers

ASCP CG Certification Practice Exam with Questions and Answers What factors would contribute to ALL cultures failing in a CO2 incubator? ANSWER Temperature CO2 level Humidity level What is the modal number for a diploid karyotype and an additional CBG negative marker chromosome? ANSWER 46 CBG = c-bands achieved with barium with Giemsa stain CBG negative referrs to not having a centromere, which is crucial to being included in the modal number, so this extra fragment does not have a centromere and is not counted towards the total What is included when recording the modal number? ANSWER Mar - a marker chromosome is included because it has a centromere What is the BEST way to avoid producing ghost-like, pale chromosomes while staining? ANSWER Decrease trypsin time In order to ensure successful harvest, each new batch of hypotonic solution should be evaluated ____. ANSWER By comparing new hypotonic solution to that already in use