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8&9 review
Chemistry ch 8&9
| Question | Answer |
|---|---|
| Plasma appearance after overnight refrigeration was clear w/no creamy top layer. Based on this info, the patient has ___ risk factors for coronary heart disease. | No Risk |
| HMG-CoA reductase inhibitors act by inhibiting: | Indigenous cholesterol synthesis |
| The concentration of digoxin, a cardioactive medication that helps maintain heart rhythm and contraction, must by monitored in elderly patients because, as the body ages: | Less renal elimination complicates drug excretion and metabolism |
| The purpose of the lipase in the enzymatic determination of serum triglycerides is to produce: | Fatty acids + glycerol |
| CK-MB and CK-MM are examples of: | Isoenzymes |
| When myocardial infarction occurs, the first enzyme to become elevated in the serum is: | Troponin I then CK-MB |
| The most sensitive assay for the measurement of cardiac troponin T is: | Chemiluminesence |
| The flipped pattern of LD isoenzymes that is indicative of an acute myocardial infarction is represented by: | More LD1 than LD2 |
| The finding of increased concentration of C-reactive protein in serum is an indication of: | Inflammatory response |
| Cardiac troponin I may by first detected in serum within __ after the onset of an acute myocardial infarction. | 6hrs |
| What type of lipid result are associated with high risk for coronary heart failure? | Increased LDL, Trig, & Cholesterol and Decreased HDL |
| The serum of patients who have eaten within the past few hrs may be creamy or lipemic. Such serum contains excessive levels of: | Chylomicrons |
| B-type natriuretic peptide is a specific marker for: | Edema due to heart failure |
| For analysis of carboxyhemoglobin, the sample must be: | EDTA or heparinized whole blood |
| Carbon monoxide poisoning typically results from: | Incomplete combustion of carbon |
| Carboxyhemoglobin levels greater than 80%: | Instantly fatal |
| The respiratory component of acid-base balance is: | Carbonic acid |
| Chronic bronchitis is associated with: | Increased Bicarbon & PCO2 and decreased O2 & Po2 |
| Bonus: know what Po2, PCo2, & SO2 mean: | PO2-partial pressure of dissolved oxygen in plasma; PCo2-partial pressure of dissolved carbon dioxide; So2-oxygen saturation |
| Bonus: Another name for heart muscle | Myocardium |
| Bonus: Another name for chest pain | Angina |
| Bonus: Another name for cell death | Necrosis |
| Time frame for CK-MB | 6-18hrs after onset of AMI |
| Time frame for LD | 4-7days after onset of AMI |
| Time frame for Troponin | Up to 14 days |
| CHF is | A condition in which the heart is unable to pump out the required volume of blood & fluid accumulates in the chest. |
| Symptoms of CHF are: | edema, increased blood pressure, shortness of breath & easy fatigue, dizziness, difficulty in walking short distances, and compromised renal function as blood pressure rises and circulation becomes diminished. |
Created by:
tigert74@embarqmail
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