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Phleb 12 + 13
Phlebotomy Essentials 5th Edition Chapters 12 13
| Question | Answer |
|---|---|
| Why is specimen handling so important? | ALL |
| Proper specimen handling begins | When test is ordered |
| You are the only phlebotomist on duty. A physician orders a test you’re unfamiliar with. What do you do? | Consult the user manual. |
| Number of inversions depends on | Presence or absence of additive |
| Inadequate mixing of tubes with anticoagulant could lead to | Microclots |
| Tube that needs no mixing | Non-additive |
| Why must you transport tubes with stopper up? | ALL |
| Specimen transported via courier, aircraft, mail, must follow guidelines by | (FAA, OSHA, DOT) ALL |
| Which of the following actions will compromise the quality of a specimen? | Partially filling a SST tube |
| Analyte broken down by light | Bilirubin |
| Some specimens require cooling to | Slow down metabolic processes |
| Chilling can cause erroneous test results for which analyst | Potassium |
| What would be transported in ice slurry? | Ammonia |
| What is the best way to chill a specimen? | Ice Slurry |
| How should a Cryofibrinogen specimen be transported? | Warm - 37°C heat block |
| Why would you wrap a specimen tube in aluminum foil? | To protect from light |
| Specimen must be transported at near normal body temp, which is | 37°C |
| According to CLSI the maximum time limit for separating serum or plasma from cells is | 2 hours |
| Separator gels prevent glycolysis when? | After being centrifuged |
| Glucose in a sodium fluoride tube can be stored at room temp for how long? | 24 hours |
| What type of test takes priority? | STAT (STAT-ER) |
| All of the following are centrifuged, except | CBC in lavender top tube |
| What protective equipment is required when processing specimens? | ALL |
| What would be a reason to reject specimen for analysis? | ALL |
| A reason to reject a specimen would include all of the following, except | Icteric bilirubin and lipemic fasting glucose |
| Aliquot | Portion of specimen being tested |
| Specimen rejected if tube not filled completely until vacuum is exhausted | PT (ProTime) |
| Tests performed on plasma are | Collected in anticoagulant tubes |
| It is important to note the type of heparin in the collection tube because | Some types of heparin can affect test results. |
| Non additive specimen is spun in a centrifuge to obtain | Serum |
| Serum will take longer to clot | ALL |
| Test most affected by contamination of a drop of perspiration falling into it | Electrolytes |
| Gloves that contain powder | Source of contamination |
| Minimum pre-centrifugation time for a specimen drawn in SST tube | 15 mins |
| Repeated centrifugation of a specimen can | ALL |
| Proper centrifuge operation | Balance |
| Special information when labeling a non-blood specimen | Type and source |
| What type of specimen must be handled and analyzed STAT | CSF (cerebrospinal fluid) |
| Most frequently analyzed non-blood specimen | Urine |
| What can happen to urine components if not processed in a timely fashion? | ALL |
| What specimen preferred for most urine tests? | First morning urine |
| Routine urinalysis specimens that cannot be analyzed within 2 hours require | Refrigeration |
| Routine urinalysis typically includes | ALL |
| Most likely reason a Culture + Sensitivity be ordered? | To diagnose UTI |
| Urine cytology studies look for presence of | Abnormal cells |
| Suspected pregnancy can be confirmed by testing urine for this hormone | HCG |
| What type of specimen preferred for pregnancy testing? | First morning urine |
| What type of specimen preferred routine analysis? | Random |
| Urine specimen that is most concentrated | First morning urine |
| Serial urine specimens collected at specific times for C & S | GTT (glucose tolerance test) |
| Which urine spec is obtained by inserting a sterile needle directly into the urinary bladder and aspirating urine? | Suprapubic |
| Procedure for collecting 24 hr urine specimen | Void first morning urine into toilet, start timing, collect all following including next am specimen |
| Which urine test requires midstream catch specimen? | C+S (culture and sensitivity) |
| Test performed on amniotic fluid | AFP (alpha fetoprotein) |
| Amniotic fluid comes from where? | Sac surrounding fetus |
| Spinal fluid analysis useful in diagnosing | Meningitis |
| Test requires IV administration of histamine or pentagastrin | Gastric analysis |
| NP (nasopharyngeal) culture swab sometimes collected to detect | Whooping cough |
| Saliva can be tested to | ALL |
| One reason semen analysis is performed | Assess fertility |
| Which of the following fluids is obtained through lumbar puncture? | Spinal |
| Serous fluid includes | ALL |
| Fluid from joint cavities | Synovial |
| Ascites | Excess fluid in peritoneal cavity |
| Sputum | Phlegm |
| Sputum is collected in the diagnosis and monitoring of | TB |
| Test to diagnose CF (Cystic Fibrosis) | Sweat chloride (Iontophoresis) |
| Synovial fluid collected in what tube | ALL |
| Synovial fluid used to identify | ALL |
| The process of Iontophoresis is used to collect | Sweat |
| Marrow aspirated from | Iliac crest (hip) |
| Marrow studied to identify | Blood disorders |
| Breath specimens can be used to detect | H. Pylori |
| Refrigerated stool specimen would be acceptable for all except | O + P (ova & parasites) |
| Guiac test detects | Occult blood |
| Chronic drug use can be detected in what type of sample? | Hair |
| Type of specimen required for rapid strep test | Throat swab |
| Type of specimen required for biopsy | Tissue |
| Military time | Examples: 8:00am= 0800 “0 eight-hundred hours” 10:15am= 1015 “ten fifteen” 1:30pm= 1330 “thirteen thirty” |
| Bleach dilution | 10% dilution of bleach (5.25% sodium hypochlorite) 1:10 ratio of bleach to water 1 part bleach to 9 parts water 10mL bleach to 90mL water |
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