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MLT cardiac
MLT Clinical Chem - Cardiac
| Question | Answer |
|---|---|
| A substrate used in lipase reactions is | olive oil emulsion |
| With what disorder is an increase in LD-5 and LD-4 associated? | Acute hepatic disease |
| Aspartate aminotransferase is elevated in diseases involving the | heart muscle |
| Atherosclerosis is defined or described as | Hardening of the arteries that occurs over a period of many years due in part to the abnormal accumulation of lipids |
| Characteristics of the ideal cardiac marker include all of the following | Marker is specific for cardiac tissue versus skeletal muscle. Marker rises soon after symptoms of cardiac ischemia occur. Marker is easy, rapid, and inexpensive to measure |
| Enzymes that catalyze the transfer of groups other than hydrogen between compounds are classified as belonging to which enzyme class | Transferases |
| In which liver disease is the DeRitis ratio (AST: ALT) usually less than or equal to 1 | acute viral hepatits |
| In which of the following diseases is measurement of brain type natriuretic peptide (BNP) most useful | congestive heart failure |
| Levels of this enzyme are useful in the diagnosis of a genetic defect, which leads to increased apnea (difficulty breathing) after surgery using succinyl choline | cholinesterase |
| Myoglobin is a good cardiac marker because it | Diffuses into the blood more quickly than CK-MB |
| Risk factors for the development of coronary heart disease include which of the following | Hypertension, abdominal obesity, low HDL-C, high serum levels of CRP, and elevated levels of homocysteine |
| Serial sampling for cardiac biomarkers is defined as | Drawing blood samples periodically, usually at prescribed time intervals over the course of the patient's stay |
| Serum lipase catalyzes | Hydrolysis of triglyceride to fatty acids and glycerol |
| The best test for pancreatitis in the presence of mumps is | A serum lipase test |
| The highest levels of alkaline phosphatase (ALP) are seen in | Obstructive liver disease |
| The most sensitive indicator of alcoholic liver disease is | GGT |
| The significance of CRP in the arterial wall is described as which of the following | It predicts the severity of atherosclerosis and is able to bind to damaged membranes and lipids |
| Which of the following are the most common cause(s) of acute pancreatitis | both Gallstones or obstructing tumor and Acute alcohol ingestion or drug use |
| Which of the following is a cause of hyperhomocysteinemia | Deficiency of one of the B complex vitamins |
| What represents the correct sequence for the rise and fall of myoglobin, CK-MB, and cTnI after an AMI | Myoglobin, CK-MB, cTnI |
| Zero order kinetics results | When all of the available sites on the enzyme are saturated with substrate |
| These items would show an increase in alkaline phosphatase (ALP) | Obstructive liver disease Rickets hemolytic anemia |
Created by:
Mwortman
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