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36 Cards in this Set
- Front
- Back
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What does a Blood Bank do?
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The specimens can tell us which blood products can be used with which patients
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What tubes are used for Blood Bank specimens?
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Red, lavender or pink (No serum separator gel)
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What are the labeling requirements for Blood Bank specimens?
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- Patients full name (including MI)
- hospital ID or SSN - DOB - Our initials - If applicable, room and bed #'s |
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What are the 2 main requirements for being a blood donor?
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- Between 17 and 66
- at least 110 pounds |
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Autologous donation is?
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Where a patient donates blood for themselves before an operation
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What is another use of specimens from the bloodbank?
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Type & screen and crossmatch
(T&C) |
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What are the 2 reasons a Doctor would ask for a blood culture?
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For an explained fever or if either bacteremia or septicemia are suspected
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What are the 2 types of bottles used for blood cultures and what do they mean?
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Aerobic is with air and anaerobic is without air
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Using a butterfly, what is the order of draw for blood cultures?
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Aerobic then Anaerobic
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Using a syringe, what is the order of draw for a blood culture?
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Anaerobic then Aerobic
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What is a very important step when doing blood cultures?
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Skin antisepsis (Cleaning the area with betadine)
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How wide of an area do you make when cleaning the site?
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3 to 4 inches
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Steps in blood specimen collection?
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- Perform friction scrub (clean area)
- allow to dry - cleanse culture bottles while drying - do not retouch the area |
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What are antimicrobial neutralization products?
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Bottles with an additive that negates the effects of antibiotics, so they do not interfere with the blood culture tests
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In a normal order from a Doctor, how many bottles will be used for a blood culture?
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4
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What do you do for each bottle?
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Number them as sets, the times and the location of each set of draws
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The test sites this as a step in doing coagulation studies...
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Drawing a 5ml discard tube
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Using 8am as a reference, what are the times each step would happen on, for a 3 hour test?
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- 8: A Basal baseline is taken
- 8: Glucola is taken - 8:05: Glucola is finished - 8:35: 1/2hr test is done - 9:05: 1st hour test is done - 10:05: 2nd hour test is done - 11:05: 3rd hour test is done |
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The lactose tolerance test is different from the Glucose test, in what way?
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All the timing intervals are the same, but instead of the Glucola, a drink, heavy in Lactose, is given.
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What is Therapeutic drug monitoring used for?
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The management of patients being treated with certain drugs.
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In Therapeutic drug monitoring, what is done JUST before the drug is given?
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A Trough Level, basically a baseline reading.
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What is involved in Therapeutic Phlebotomy?
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The removal of large quantities of blood, and not replacing them.
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What is the special protocol used when dealing with forensic specimens?
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The chain of custody.
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When doing blood alcohol testing, what can NOT be used?
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Alcohol antiseptic
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What color tube is used for blood alcohol testing?
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A gray top.
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What is considered Point Of Care Testing?
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Testing done at a patients home bedside.
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What is a typical POCT test, and what is it used for?
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A bleeding time test, it evalulates platelet plug formation in the capillaries.
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What is used to administer a bleeding time test?
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It uses a device like a finger stick, but it makes two incisions, deep enough to cause scarring.
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What are proteins specific to the heart muscle?
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Cardiac Troponin T (TnT) and Troponin I (TnI)
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When do Troponin T levels rise?
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About 4 hours after a heart attack and stay elevated for about 2 weeks
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When do Troponin I levels rise?
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About 3-6 hours after a heart attack and return to normal in about 5-10 days
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What do Hematocrit levels measure?
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The volume of RBCs in the patients blood
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When are hemoglobin levels important?
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When testing anemic patients
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How are occult blood/guaiac tests performed?
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They are done by finding and testing blood found in stool
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What hormone do pregnancy tests look for?
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Human chorionic gonadotropin (HCG)
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What is a routine skin test?
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A TB test
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