Bile esculin agar - Study guides, Class notes & Summaries

1. Identify the organism: Bile esculin: POSITIVE; 6.5% NaCl: POSITIVE; PYR: NEGATIVE; LAP: NEGATIVE Ans: Leuconostoc 2. A gram stain from a blood agar shows gram positive cocci in chains, non-hemolytic, The bacteria grow on 6.5% NaCl and is Bile esculin positive. What’s the most likely identification? Ans: Enterococcus ( only Enterococcus can grow both 6.5% NaCl and Bile Esculin ) 3. latex agglutination for Staphylococcus aureus: Ans: Protein A and clumping factor 4. Pink mucoid colon...

Microbiology Lab Exam Study Guide Rated A+ What color do Gram-Positive bacteria stain? Purple What color do Gram-Negative bacteria stain? Pink What are the 4 steps of a gram reaction? Primary stain crystal violet, mordant iodine, decolorizer alcohol-acetone, and counterstain safranin. What are some ways you could mess up a gram stain? And how will you know you messed up? a. Not heat fixing your slide - clear slide, b. over decolorizing - slide has both pink and purple even though the culture ...

What term describes the morphology of organisms that vary in shape and size? Pleomorphic Capsules are the basis of which test? Serotyping A mucoid colony on blood agar medium indicates that which of the following characteristics may be present? Organism has a capsule. What are dark staining granules called? Metachromatic Which of the following organisms are non-motile? Shigella and Klebsiella In the bacterial growth cycle, growth ceases because nutrients a...

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...

AAB MT MICROBIOLOGY QUESTIONS CORRECTLY ANSWERED 2023/2024 What term describes the morphology of organisms that vary in shape and size? - CORRECT ANSWER-Pleomorphic Capsules are the basis of which test? - CORRECT ANSWER-Serotyping A mucoid colony on blood agar medium indicates that which of the following characteristics may be present? - CORRECT ANSWER-Organism has a capsule. What are dark staining granules called? - CORRECT ANSWER-Metachromatic Which of the following organisms are non...

Which of the following is the correct temperature at which an autoclave must be run? -37*C -121*C -25*C 121*C How long is an autoclave run? 15 mins How many lbs per square inch of pressure is necessary when using an autoclave? 15 lbs/sq in Which of the following is the correct depth and pH of a Mueller Hinton plate? -6mm and pH 7.2-7.4 -3mm and pH 6.5-6.8 -4mm and 7.2-7.4 4mm and pH 7.2-7.4 What is the McFarland standard for use in the Kirby Bauer method? 0.5 (10^8 organisms) Whic...

Which of the following condition is the most common cause of increase anion gap? A. Metabolic alkalosis B. Metabolic acidosis Respiratory acidosis Respiratory alkalosis - B. Metabolic acidosis High anion gap metabolic acidosis is caused generally by the body producing too much acid or not producing enough bicarbonate. This is often due to an increase in lactic acid or ketoacids, or it may be a sign of kidney failure. More rarely, high anion gap metabolic acidosis may be caused by ingesting meth...

AAB MT MICROBIOLOGY QUESTIONS CORRECTLY ANSWERED 2023/2024 What term describes the morphology of organisms that vary in shape and size? - CORRECT ANSWER-Pleomorphic Capsules are the basis of which test? - CORRECT ANSWER-Serotyping A mucoid colony on blood agar medium indicates that which of the following characteristics may be present? - CORRECT ANSWER-Organism has a capsule. What are dark staining granules called? - CORRECT ANSWER-Metachromatic Which of the following organisms are non...

The name of the rapid test seen in the image, often used to differentiate S. pneumoniae from viridans streptococci, in which a drop of 10% deoxycholate was placed on an area of growth, is: A) Bile solubility test B) Bile esculin hydrolysis C) Optochin susceptibility test D) Bacitracin susceptibility test - ANSWER A) Bile solubility test Which of the following describes the Westgard multi-rule R4S? A) Four consecutive control data points are within ±1s B) Four consecutive control data p...

Micro Certification Exam Practice Question with 100% Correct Answers Which bacterial species is most likely represented by the spreading, wrinkled, non- hemolytic colony appearance? - Answer️️ -Burkholderia pseudomallei Which one of the following tests should be used to monitor a patient's response to treatment for syphilis? - Answer️️ -RPR titer A CSF specimen was sent to the laboratory for analysis. A glucose, protein, and cell count were performed. Based on the following resul...