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8&9 review

Chemistry ch 8&9

QuestionAnswer
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.