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Microbiology chpt.13
Microbiology Quiz Review
Question | Answer |
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What are the proper diagnosis of an infectious disease requirements? | 1Taking a complete patient history 2Conducting a thorough physical examination of the patient 3Carefully evaluating the patient's signs and symptoms 4Implementing the proper selection, collection,transport,and processing of appropriate clinical specime |
clinical specimens | specimens collected from patients such as blood, urine, feces, and cerebrospinal fluid (CSF), |
What are the 3 components of specimen quality? | 1.Proper specimen selection. 2.Proper specimen collection. 3.Proper transport of the specimen to the laboratory. |
What are the proper procedures for specimen collection and transportation? | -recover causative agent -prevent contamination of specimen -prevent transfer of infectious agent to collector and transporter -provide optimal specimen for microbiology tests and culture |
Specimen collection | must be done under sterile conditions |
bacteremia | The presence of bacteria in the bloodstream |
Septicemia | is a serious disease involving chills, fever, prostration, and the presence of bacteria or their toxins in the bloodstream |
clean-catch, midstream urine | collecting the middle portion of the stream flushes away microorganisms inhabiting urethral opening |
What 3 parts does urine culture involve? | 1.A colony count 2.Isolation and identification of the pathogen 3.Antimicrobial susceptibility testing |
colony count | is a way of estimating the number of viable bacteria that are present in a urine specimen. |
calibrated loop | is used to inoculate the entire surface of a blood agar plate |
Meningitis | is inflammation or infection of the membranes that surround the brain and spinal column |
Encephalitis | is inflammation or infection of the brain |
Meningoencephalitis | is inflammation or infection of both the brain and meninges. |
How is CSF collected? | is collected by lumbar puncture into a sterile needle/tube; this is a surgically aseptic procedure performed by a physician/clinician |
Sputum | is pus that accumulates deep within the lungs of a patient with pneumonia, tuberculosis, or other lower respiratory infection. |