MLS ASCP EXAM – (MICRO) QUESTIONS AND ANSWERS 2023

Disinfection, desiccation, filtration, fridge, heat, radiation, and Sterilization - Correct Answer-Types of sterilization/inhibition techniques denatures proteins 15 lbs ,121*C for 15 mins - Correct Answer-Moist Heat Sterilization kills by oxidation hot air oven 170*C for 2 hrs - Correct Answer-dry heat sterilization 140*C for 3 secs, NOT STERILIZATION - Correct Answer-pasturization sterilization Damages cytoplasmic membrane and denatures protein - Correct Answer-Disinfectant: Phenol Oxidizes (iodine and chlorine) - Correct Answer-Disinfectant: Halogens Denatures proteins and dissolves lipids - Correct Answer-Disinfectant: Alcohols penicillins and cephalosporins cell wall synthesis - Correct Answer-B Lactams Vancomycin C Diff/MRSA cell wall synthesis - Correct Answer-Glycoproteins Gentamycin, tobramycin - Correct Answer-Aminoglycosides -Tetracycline, doxycycline, minocycline -Clinical use: Borrelia burgdorferi, M. pneumoniae. Drugs' ability to accumulate intracellularly makes them very effective against Rickettsia and Chlamydia. Also used to treat acne. - Correct Answer-Tetracyclines Meningitis (Haemophilus influenzae, Neisseria meningitidis, Streptococcus pneumoniae) and Rocky Mountain spotted fever (Rickettsia rickettsii). - Correct AnswerChloramphenicol