Lab & Diagnostic Tests

medical purposes for lab and diagnostic tests - Answer- to confirm wellness, detect deviations from wellness, make medical diagnosis, and make treatment decisions pre-procedure preparations - Answer- nurse will be making PT ready, teaching what to expect and what will be required of him/her during and after, explaining length of procedure during procedure - Answer- nurse will assist physician and collect samples properly post-procedure - Answer- nurse will make assessments, carry out special care, notify the ordering MD of lab or diagnostic test results (required if abnormal) microbiology studies - Answer- tests done if an infection is suspected. Culture and sensitivity, get specimin prior to starting antibiotic, final results may take 2-3 days sputum for culture and sensitivity - Answer- AM awakening is the best collection time, PT should produce sample into sterile cup and call nurse immediately afterward. Can be induced by catheter insertion nasally to bronchus stool for C&S or O&P - Answer- test usually done for diarrhea of unexplained origin, used when testing for organisms, immediate transport to the lab is important clean catch collection - Answer- test that avoids skin organism contamination, must clean peri-area, begin voiding, pass specimen container into stream, then take to lab or keep cold. catheter urine specimen - Answer- could be taken from an "In and Out", specimen port, but never from drainage bag timed urine collection - Answer- 1st void is discarded, last void is kept, all urine must be saved and kept cold during the collection period. This test is a measurre of kidney function xray - Answer- most common medical imaging. There is always some risk of injury but shielding, minimal exposure and distance minimizes risk. contrast media