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Phlebotomy
11 & 12
| Question | Answer |
|---|---|
| An autologous blood transfusion is a transfusion of blood | Donated by a patient for his or her own use |
| The hormone detected in a positive urine pregnancy test is | HCG |
| Timing of specimen collection in regard to dosage administration in therapeutic drug monitoring (TDM) is critical for safe and beneficial treatment and must be consistent. What is the difference between the peak and trough levels in a patient? | Above Peak can be toxic and below trough will not be therapeutic |
| Which of the following test specimens is collected from patients with fever of unknown origin (FUO) to rule out septicemia? | Blood culture |
| Usually these tubes have royal blue tops and are used to collect what? | All of the above |
| Which type of specimens may take longer to clot? | All of the above |
| Which of the following is an example of a computer peripheral? | Keyboard |
| Which of the following does not represent proper aliquot preparation? | Carefully pouring the contents into the aliquot tube |
| Tests performed using special POCT instruments or test kits include | All of the answers are correct |
| Of the following tests, which is most likely to result in fatal consequences for the patient if the specimen is misidentified? | Type and crossmatch |
| A bleeding time (BT) test assesses the functioning of | Thrombocytes |
| Which of the following actions can lead to inaccurate test results? | Inadequate mixing of an EDTA tube |
| Which of the following would not be considered a preanalytical error? | Misreporting patient results |
| How would you transport a cryoglobulin specimen after being drawn | In a 37 degree heat block |
| Which test requires strict skin antisepsis procedures before specimen is collected? | Blood culture |
| The process of entering a password and gaining access to a computer is called | Logging on |
| The most critical aspect of the blood culture collection procedure is | Skin antisepsis |
| What POCT is used to monitor heparin therapy? | ACT |
| What does a person need to be able to do to be considered computer literate? | All of the above |
| The physician has ordered two sets of blood cultures, how do you collect these specimens and what is important? | Both B and C are correct |
| identify the condition in which a unit of blood is withdrawn form a patient as treatment? | Hemochromatosis |
| What type of additive is recommended for collecting an ethanol test specimen (ETOH)? | Sodium fluoride |
| Which of the following tests may require special "chain of custody" documentation when collected? | Drug Screen |
| After entering input onto a computer, what must a user do to make the computer process the information? Log off | Press the Enter Key |
| Which of the following tubes can be used to collect blood for a type and crossmatch? | Non-additive red top |
| Presence of the antimicrobial agent (antibiotics) in the patient's blood can inhibit the growth of the microorganisms in the blood culture bottle. In such cases, the physician may order blood cultures to be collected in which bottles? | Both A and B are correct |
| At what intervals is the blood blotted during a bleeding time test? | 30 seconds |
| What is crucial in the operation of a centrifuge? | Tubes be balanced |
| Why is it recommended to transport tubes with the stopper up? | All of the above |
| This test requires a specimen with a 9:1 ratio of blood to anticoagulant. | Prothrombin time (PTT) |
| Which of the following is used by the laboratory to identify a specimen throughout the testing process? | Accession number |
| A glucose specimen drawn in a sodium fluoride tube (Gray top) is stable at room temperature for | 24 hours |
| Which of the following should be avoided during a glucose tolerance test (GTT)? | All of the answers are correct |
| A 2-hour postprandial specimen should be drawn | 2 hours after the patient has a meal |
| You have a requisition for a test with which you are unfamiliar. How do you determine what tube to use and how to collect and handle the specimen? | Refer to the lab user manual |
| When performing a GTT (glucose tolerance test), the timing should begin | When the patient finishes the glucose drink (glucola) |
| Which of the following specimens needs to be chilled after drawn? | Ammonia |
| What is the common lab test used to detect blood in the feces? | Occult blood |
| When collecting a blood culture specimen directly from a butterfly needle into the blood culture bottles, which bottle should be collected first? | Aerobic |
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