Enterobacteriaceae - Study guides, Class notes & Summaries

Microbiology Harr Questions And Answers. The aseptic collection of blood cultures requires that the skin be cleansed with: A. 2% iodin and then 70% alcohol solution B. 70% alcohol and then 2% iodine or an iodophor C. 70% alcohol and then 95% alcohol D. 95% alcohol only - CORRECT ANSWER Correct Answer: B When cleansing the skin with alcohol and then iodine for the collection of a blood culture, the iodine (or iodophor) should remain intact on the skin for at least: A. 10 sec B. 30 s...

What are some characteristics of the Enterobacteriaceae? - Answer all members are gram negative bacilli or coccobacilli all members are cytochrome oxidase negative all members grow on MacConkey agar Do all enterobacteriaceace members ferment lactose? - Answer No Swarming colonies on sheep blood agar would lead one to suspect: - Answer Proteus What organisms produce H2S or gas? - Answer Salmonella Proteus Citrobacter Does Shigella produce H2S or gas? - Answer No...

Community Acquired Pneumonia Exam Questions And Answers Graded A+ Epidemiology Community-Acquired Pneumonia • An estimated 5.6 million cases/year • Estimated total annual cost is $10 billion • 6th leading cause of death in U.S. - #1 cause of death from infectious diseases • Up to 80% of treatment is outpatient • Mortality rate varies - <1-5% outpatient - 12% inpatient - Up to 40% in critically ill/ICU admissions Pathogenesis Community-Acquired Pneumonia • Microor...

Most common STD - CORRECT ANSWER Chlamydia (1.7 mil cases) Skin normal biota is coagulase-negative staph, cornybacterium, and microbacterium smegmatis - CORRECT ANSWER males (all ages) Skin normal biota staph and corynbacterium - CORRECT ANSWER females (prepuberty and post-menopause) Normal biota of the skin for reproductive-age females in some cases- they carry it asymptomatically - CORRECT ANSWER GBS Normal biota of the skin for ___________ includes Enterobacteriace...

TEST BANK for Medical Microbiology by Murray, Rosenthal, Ken Pfaller 7th Edition. ISBN: 9780323086929 Edition: 7 A+ Section 1: Introduction 1. Overview of Medical Microbiology 2. Commensal and Pathogenic Microbial Flora in Humans 3. Sterilization, Disinfection, and Antisepsis Section 2: General Principles of Laboratory Diagnosis 4. Microscopy and Microbial Isolation 5. Molecular Diagnosis 6. Serologic Diagnosis Section 3: Basic Concepts in the Immune Response 7. Elemen...

Medical Laboratory Science Review Fourth Edition by Robert R. Harr [COMPLETE] Contents xi Preface v Introduction xiii Design of Questions xiii Prepare for Your Certification Examination xiv Test-Taking Skills xiv CHAPTER 1 Hematology 1 1.1 Basic Hematology Concepts and Laboratory Procedures 3 1.2 Normocytic and Normochromic Anemias 9 1.3 Hypochromic and Microcytic Anemias 14 1.4 Macrocytic and Normochromic Anemias 16 1.5 Qualitative and Quantitative White Blood Cell Disorders ...

Triple Sugar Iron Test Exam 38 Questions with Verified Answers For what bacteria would you use the TSI test? - CORRECT ANSWER Gram negative bacilli such as enterobacteriaceae. How would you identify an acidic slant? - CORRECT ANSWER If the slant goes from red to yellow on the phenol red. Why is there more lactose and sucrose in TSI agar than glucose? - CORRECT ANSWER In order to distinguish bacteria that can only ferment glucose from bacteria that ferment lactose and sucrose. It will al...

Selective and Differentials MSA, BP, MAC, EMB MAC Ecoli and S. marceesans MacConkey agar plate inoculated with the gram-negative lactose fermenter Escherichia coli and the gram-negative non-lactose fermenter Serratia marcescens. MAC acid pink - lac pos MAC Neutral to alkaline Opaque--lac negative MAC Ecoli and another weaker fermenter MacConkey agar plate inoculated with Escherichia coli using the streak plate technique Weak fermenter= Entero aerogenes MSA ferment ...

ASCP Microbiology Exam (Answered) With Complete verified Solution Gemella Gram positive diplococcus. Thrive best at high partial carbon dioxide pressure. Facultative anaerobe. Oxidase negative. Catalase negative. In mucous membranes of humans and animals and upper digestive tract. Leuconstoc Gram positive cocci often in chains. Intrinsically resistant to vancomycin. Catalase negative. Are generally slime forming. Responsible for cabbage fermentation. Acanthamoeba A genus of amoe...

colorectal then cefazolin/metronidazole Pre-op -- Metabolic disease/syndrome -- what are the 5 criteria? - answer3/5 to diagnose: 1 - diabetes 2 - central obesity 3 - HTN 4 - high serum triglycerrides 5 - low HDL levels ______should be monitored before surgery bc it is a stimulant and vasoconstrictor -- can lead to severe tachycardia - answerCocaine Pre-Op -- What are the indications for EKG and CXR? - answerEKG - men >40, women>50, known CAD, DM, or HTN CXR - age >50, known ...