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CH. 11
| Question | Answer |
|---|---|
| Of the following tests, which is most likely to result in fatal consequences if the patient is misidentified | type and cross math |
| Which test requires strict skim antisepsis procedures before specimen collection? | blood culture (chlorohexadine) |
| What type of additive is recommended for collecting an ethanol test specimen | Sodium fluoride |
| When performing a GTT, timing should begin? | as soon as the patient finishes the drink |
| At what interval is the blood blotted during a bleeding time test? | 30 seconds |
| To prevent introducing a contaminating substance into a trace-element collection tube it is | collect the trace-element tibe last in the order of draw |
| When collecting a blood culture specimen directly from a butterfly into blood culture bottles. Which should be filled first? | Aerobic |
| Which of the following test may require special "chain of custody" documentation when collected? | drug screen |
| Identify the condition in which a unit of the blood is withdrawn from a patient as treatment | hemochromatosis |
| Which of the following tubes can be used to collect blood for a type and crossmatch | pink top EDTA tube |
| The most critical aspect of blood culture collection is | skin antisepsis |
| This test requires a specimen with a 9:1 ratio to blood to anticoagulant | prothrombin time |
| The hormone detected in positive urine pregnancy tests is | HCG |
| Tests that can be performed using special POCT instrument or skin test kits include | Arterial blood gasses, glucose, occult blood |
| TDM is used by physicians to | determine a beneficial drug dose for a patient |
| a 2 hr postprandrial specimen should be drawn | 2 hrs after the patient has had a meal |
| A specimen would most likely be accepted for testing despite this problem | no phlebotomist initials (chain of custody, type s/x) |
| All of the following are true about blood alcohol specimens except | Glass tubes are preferred over plastic tubes |