AORN PERIOP 101 Questions and Answers .pdf

CO2 is the gas used for abdominal insufflation because it: a) is not readily absorbed by the body b) is inexpensive c) suppresses combustion d) is rapidly eliminated from the body Correct Ans - b) is inexpensive c) suppressed combustion d) is rapidly eliminated from the body Bacteria common to OR Correct Ans - staphylococci e coli streptococci pseudomonas serratia marcescens c diff viruses common to OR Correct Ans - hep B and C HIV fungi common to OR Correct Ans - aspergillus Endogenous source of infection Correct Ans - surgical personnel, OR environment, tools, instruments, supplies, pt's own skin Exogenous source of infection Correct Ans - aerobes in OR Identify activities that may be handled by EVS a) preliminary room prep b) damp dusting/mopping c) end-of-procedure clean d) terminal clean Correct Ans - C D Any germicide that is labeled as a hospital disinfectant has passed the potency test for activity against ________________________________________, _________________________________________, and _________________________________________________. Correct Ans - Pseudomonas aeruginosa staphylococcus aureus salmonella choleraesuis Tuberculocidals are a special class of disinfectants. In order to be labeled 'tuberculocidal', products need to have demonstrated potency against: a) Pseudomonas b) Staphylococcus c) Mycobacteria d) Salmonella Correct Ans - C Post Procedure Clean Correct Ans - purpose is to break cycle of contamination from pt to environment to staff to subsequent patient Terminal Clean Correct Ans - a more thorough cleaning and disinfection of periop environment decreases the number of pathogens and amount of dust and debris created during the day, done at end of day Identify the best practices to follow when performing environmental sanitation a) when cleaning spills of blood or any other potentially infectious material, use gloves and any other PPE appropriate to the task b) visibly soiled OR equipment, furniture, and floors should be cleaned with a hospital grade germicide c) infectious waste should be segregated from noninfectious waste in the general waste stream d) color coded or labeled bags should be used to facilitate separation of the various wastes Correct Ans - a b c d HIV Correct Ans - only survives in blood and body fluids that contain white blood cells, fragile and easily destroyed outside the body Creutzfeldt-Jakob disease Correct Ans - a rare but progressive fatal disease caused by prions MRSA Correct Ans - one of the hardiest bacteria and most difficult to treat VRE (vancomycin-resistant enterococcus) Correct Ans - usually spread by the hands of caregivers or patients and contaminated equipment or environmental surfaces Select the correct statements about spray bottles a) spray bottles can aerosolize potentially infectious materials b) spray bottles are occasionally used to apply disinfectant c) spray bottles are not used to apply disinfectant d) spray bottles are an easy way to clean the environment Correct Ans - a c Hemostasis Correct Ans - 1) the stoppage of bleeding or hemorrhage 2) the stoppage of blood flow through a blood vessel or body part 3) the stagnation of blood Mechanical Hemostasis Correct Ans - achieved by occluding severed vessels until platelet formation occurs Thermal Hemostasis Correct Ans - application of extreme cold or heat to body tissues Chemical Hemostasis Correct Ans - includes pharmacological agents and topical hemostatic agents Microfibrillar collagen (avitene) Correct Ans - absorbable topical agent applied directly to bleeding source with dry, smooth forceps do NOT USE WITH: sensitivity to bovine collagen, skin closure, methyl methacrylate, contaminated wound, cell saver Oxidized Cellulose (nuknit, surgicell) Correct Ans - absorbs 7-8x its weight producing clot, applied directly to bleeding site, do NOT leave near spinal cord, optic nerve, or area with nerve damage, do NOT use with thrombin