Clinical Chemistry Exam 2 Questions and Answers 100% Pass

Clinical Chemistry Exam 2 Questions and Answers 100% Pass The preferred collection tube for preservation of glucose is a) Calcium Oxalate b) Sodium fluoride c) Lithium Heparin d) Sodium Citrate ✔✔sodium fluoride Glycated hemoglobin is measured in units of: a) Gram % b) Milligram % c) % of total hemoglobin d) % of total protein ✔✔% of total hemoglobin Electrolyte disturbances seen in Type I diabetic ketoacidosis include: a) Decreased plasma calcium b) Increased plasma potassium c) Increased plasma pH d) Increased plasma sodium ✔✔Increased plasma potassium Which of the following is an effective and inexpensive screen for Galactosemia? a. Affinity Chromatography b. Clinitest c. Glucose oxidase d. Hexokinase e. Polarographic electrode ✔✔Clinitest The results of the HbA1c of the diabetic patient at her regular semiannual check -up was 9%. The response to this result should be to: a) Retest with a fasting glucose b) Retest with a random glucose c) Repeat the Hb A1c test d) Change therapy ✔✔Change therapy This term means the storage of carbohydrates a) Glycogenolysis b) Glycogenesis c) Glycolysis d) Fermentation ✔✔Glycogenesis Which of the following inhibits glycolysis and glucose uptake by muscle cells and ca uses a rise in blood glucose concentration? a) Parathyroid hormone b) Calcitonin c) Growth hormone d) Gastrin ✔✔Growth hormone Laboratory tests are performed on a post -menopausal, 57 -year-old woman as part of an annual physical examination. The patient's 2-hour post -prandial glucose is 220 mg/dL and serum insulin is 15 mU/ml (normal = 6 -26). Based on this information, the patient would be classified as: a) Normal glucose tolerance (NGT) b) Gestational diabetes mellitus (GDM) c) Insulin -dependent diabetes mellitus (IDDM) d) Non -insulin -dependent diabetes mellitus (NIDDM) ✔✔Non-insulin -dependent diabetes mellitus (NIDDM) The following glucose tolerance test results are indicative of what state? Glucose values as assayed by gluc ose oxidase method are fasting, 130 mg/dL; 60 minutes, 225 mg/dL; and 120 minutes, 205 mg/dL. a) Normal b) Diabetes c) Addison's disease d) Hyperinsulinism ✔✔Diabetes