CLINICAL CHEMISTRY - Elsevier and BOC| 215 Questions| With Complete Solutions

Which of the following is considered a lipid? correct answer: Cholesterol According to the National Cholesterol Education Program, which lipid or lipoprotein class is more important for therapeutic decision making? correct answer: LDL WHAT MECHANISM ACCOUNTS FOR THE ELEVATED PLASMA LEVEL OF BETA LIPOPROTEINS SEEN IN HYPERBETALIPOPROTEINEMIA (FREDRICKSON'S TYPE II LIPOPROTEINEMIA)? correct answer: APO B-100 RECEPTOR DEFECT Which of the following enzymes is common to all enzymatic methods for triglyceride measurement? correct answer: Glycerol kinase A patient sample is assayed for fasting triglycerides and a triglyceride value of 1036 mg/dL. This value is of immediate concern because of its association with which of the following conditions? correct answer: Pancreatitis Which apoprotein is inversely related to risk of coronary heart disease? correct answer: Apoprotein A-I What is the most appropriate fasting procedure when a lipid study of triglycerides, total cholesterol, HDL, and LDL tests is ordered? correct answer: 12 hours, nothing but water allowed John Smithers (21 years of age) is in to see his phy- sician for a pre-college physical and checkup. John has always been extremely healthy. The following laboratory results are received: AStandard = 0.679 ASmithers = 0.729 Control range 190-195 mg/dL AControl= 0.650 CStandard =200 mg/dL correct answer: 209 mg/dL On hydrolysis, sucrose will yield: correct answer: one molecule of glucose and one molecule of fructose. LABORATORY TESTS ARE PERFORMED FOR A POSTMENOPAUSAL, 57 YEAR OLD WOMAN AS PART OF AN ANNUAL PHYSICAL EXAMINATION. THE PATIENT'S RANDOM SERUM GLUCOSE IS 220 mg/dL, AND THE GLYCATED HEMOGLOBIN (HBA1C) IS 11%. BASE ON THIS INFORMATION, THIS PATIENT WOULD MOSTLY LIKELY BE CLASSIFIED AS: correct answer: HAVING TYPE 2 DIABETES