ASCP (Chemistry) 120 questions with complete solutions

Which formula correctly describes the relationship between absorbance ant % T? Correct Answer: A = -log T= log 1/T absorbance of light increases with increasing concentration of absorbing solution. Correct Answer: Beers Law If a fasting glucose was 90 mg/dL, which of the following 2-hour postprandial glucose results would most closely represent normal glucose metabolism? Correct Answer: 100 mg/dL (55mmol/L) A healthy person with a blood glucose of 80 mg/dL (4.4 mmol/L) would have a simultaneously determined cerebrospinal fluid glucose value of: Correct Answer: 50/mg/dL (2.3 mmol/L) Which of the following 2-hour postprandial glucose values demonstrates unequivocal hyperglycemia diagnostic for diabetes mellitus? Correct Answer: 200 mg/dL ( 11.0 mmol/L) A 25 y/o man became nauseated and vomited 90 mins after receiving a standard 75g carbohydrate dose for an oral glucose tolerance test. The best course of action is to: Correct Answer: draw blood for glucose and discontinue test Cerebrospinal fluid for glucose assay should be: Correct Answer: analyzed daily Serum levels that define hypoglycemia in pre-term or low birth weight infants are: Correct Answer: lower than adults Pregnant women with symptoms of thirst, frequent urination or unexplained weight loss should have which of the following test preformed? Correct Answer: glucose tolerance test The conversion of glucose or other hexoses into lactate or pyruvate is called. Correct Answer: glycolysis After review these test results, the technologist concluded that the patient is in a: Correct Answer: improving state of metabolic control as indicated by fructosamine Total glycosylated hemoglobin levels in a hemolysate reflect the: Correct Answer: average blood glucose levels of the past 2-3 months Which of the following hemoglobin has glucose-6-phoshate on the amino-terminal valine of the beta chain? Correct Answer: A1c A patient with hemolytic anemia will: Corr