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Unit 1 Chapter 6
Specimen Collecting and Processing
Question | Answer |
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List labeling of specimen labels | Name Identification number Room number Physician Culture site Date of collection Time of collection |
List specimens stored in a refrigerator | Catheter tips (IV), CSF for viruses Ear:outer Feces (unpreserved) Feces for Clostridium difficile toxin (up to 3 d;>3 d store at -70 C) Sputum Urine (unpreserved) |
List specimens stored at room temp | Abscess, lesion, wound body fluids CSF for bacteria Ear: inner Feces (preserved) Genital Nasal, N/P, throat Tissue Urine |
List Incubation requirements | The incubation conditions include both temperature and environmental atmosphere and are determined by the type of specimen and the pathogens that may be detected. |
List the questions asked on each specimen for a culture workup | What is the specimen source? Does this source have normal bioata, or is it a sterile source? If normal biota is present, what bacteria are found? What are the most likely pathogens in this specimen? What is the colonial morphology of these pathogens? |
critical/invasive specimen prioritization and specimens | Level 1 amniotic fluid, blood, brain, cerebrospinal fluid, heart valves, pericardial fluid |
unpreserved specimen prioritization and specimens | Level 2 body fluids (not listed for level 1), bone, drainage from wounds, feces, sputum, tissue |
quantitation required specimen prioritization and specimens | level 3 catheter tip, urine, tissue for quatitation |
preserved specimen prioritization and specimens | level 4 feces in preservative, urine in preservative, swabs in holding medium (aerobic and anaerobic) |
List the questions asked on each specimen for a culture workup(cont'd) | Which medium is demonstrating growth, and what is the purpose of the medium? |