1+ reaction has numerous small clumps and cloudy red supernatant 2+ has many medium-sized clumps and clear supernatant. 3+ has several large clumps and clear supernatant 4+ has one solid clump, no free cells, and clear supernatant BB Tube-based agglutination reactions in blood bank are graded from negative (0) to 4+. A reaction that has numerous small clumps in a cloudy, red background is:
A. 1+
B. 2+
C. 3+
D. 4+
This is the total magnification of the high dry objective lens.
A. 100X
B. 40X
C. 400X
D. 1000X
Shigella and Salmonella are not found as normal flora in the gastrointestinal tract. Which of the following are not considered normal flora of the gastrointestinal tract:
A. Lactobacillus
B. Clostridium
C. Peptostreptococcus
D. Shigella
1. A
2. A
3. B
4. A
5. B
6. B
A cardiovascular risk marker is an analyte in a body fluid that can be measured by the clinical laboratory and has been associated with the development of cardiovascular disease. Examples of risk markers include: LDL-C, triglycerides, and
hs-CRP.
A cardiovascular risk factor is a condition (not a laboratory analyte) that is associated with an increased risk of developing cardiovascular disease. Examples of risk factors include:
smoking, obesity, diabetes and hypertension.
Determine if each of the following is a cardiovascular risk marker or a cardiovascular risk factor.
1. Smoking
2. Obesity
3. Low density lipoprotein (LDL)
4. Hypertension
5. Triglycerides
6. High sensitivity-C-reactive protein (hsCRP)
A. Cardiovascular risk factor
B. Cardiovascular risk marker
Coumarin derivatives inhibit the vitamin K dependent Factors (II, VII, X) which can be measured with the PT and monitored frequently with the INR assay.
Hematology
Warfarin-based (coumarin derivative) oral anti-coagulant therapy is commonly monitored with :
A. APTT
B. PT/INR
C. APTT and PT
D. Thrombin time
Elevation in conjugated bilirubin is most likely to be found in which of the following conditions:
A. Transfusion reactions
B. Erythroblastosis fetalis
C. Cirrhosis of the liver
D. Biliary obstruction
A cardiac risk profile is performed in:
A. hematology.
B. serology.
C. coagulation.
D. chemistry.
The results of this PT and aPTT are in normal range. These results can be reported and are not indicative of the need to: order a mixing study or request a redraw.
You have just performed stat PT and aPTT tests on your coagulation instrument. Your results are as follows:
PT = 12 seconds (normal range 10-13 seconds)
aPTT = 24 seconds (normal range 21-34 seconds)
What would be your next step?
A. Perform a mixing study
B. Report the results
C. Request a redraw of the specimen
The electrolyte panel consists of potassium, sodium, chloride, carbon dioxide. These analytes are also typically ordered within other panels as well, including the basic metabolic and complete metabolic panels.
An electrolyte panel (lytes, chem-4) consists of:
A. Potassium, Sodium, Chloride, Carbon dioxide
B. Potassium, Sodium, Chloride, Glucose
C. Potassium, Sodium, Chloride, Creatinine
D. Potassium, Sodium, Chloride, BUN
The liver is the primary target organ for the Hepatitis B virus (HBV). The inflammation caused by HBV can result in permanent liver damage, including cirrhosis, liver failure, and even hepatocellular carcinoma. What is the primary target of the Hepatitis B virus?
A. Heart
B. Liver
C. Lungs
D. Blood cells
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