Streptococcus viridans - Study guides, Class notes & Summaries

A 56 year old male has 2 set of blood cultures that grow gram positive cocci after being admitted to the hospital with an oozing leg would post operation. The infected are is red, swollen, and warm to the touch. A red line has appeared at the sight of the wound and is beginning to travel up the patient's leg. Biochemicals performed from the beta hemolytic colonies on the sheep blood agar plate revealed the following: CAMP test negative hippurate hydrolysis negative PYR positive bacitracin s...

Define: Minimum inhibitory concentration The minimum concentration of an antibiotic that inhibits growth of an organism for 24 hours. What is a broad spectrum antibiotic? Narrow spectrum? Broad = affects both GP and GN organisms. Narrow spectrum = only GP or GN, not both. What is the DOC for streptococcus? Penicillin family What kind of bacteria is strep. Pygogenes? GP, coccus, common pathogen for "strep throat" and cellulitis. What is group B strep? Strep. Aga...

MLT License Exam Questions And Answers, Latest Updated 2024/2025 )100% Correct Answers) 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) ...

Microbiology Board Exam Graded A+ Which of the following is more likely to be diagnostic of an acute infection? t iter of 2 followed by a convalescent titer of 16 Diagnosis of group A streptococci infection is indicated by the presence of: A total acute antibody Anti-DNase The rapid plasma reagin assay for syphilis does not need to be read microscopically because the antigen is: Complexed with charcoal The VDRL test for syphilis is classified as a: One cause of a fa...

CTBS Final Exam Prep Questions and Answers | Latest Updated 2024/2025 (100% Verified Answers) What is an automatic deferral for heart valve donation? a. History of Cancer b. Obesity c. Cardiomyopathy d. Idiopathic Disorders - correct answerc. Cardiomyopathy AATB standards require that tissue banking maintain SOPs encompassing all of the following except: a. Donor suitability criteria and record management policies b. FDA regulations that apply to tissue banking c. Procedures for monitori...

CBSE-MICROBIOLOGY Exam With 100% Correct And Verified Answers staphylococcus - Correct Answer-gram + clusters streptococcus - Correct Answer-gram + chains or pairs bacillus anthracis - Correct Answer-gram + rod clostridia (tetani, botulinum, perfringens, difficile) - Correct Answer-gram + obligate anaerobic rods group B - Correct Answer-Strep. agalactiae group A - Correct Answer-Strep. pyogenes a-hemolytic bacteria - Correct Answer-gram + cocci -S. pneumoniae -Viridans Strep...

MICROM 443 MIDTERM Question and answers correctly solved 2024/2025 Staphylococcus Gram Stain - correct answer Staphylococcus aureus colony morphology - correct answer Staphylococcus epidermidis colony morphology - correct answer Staphylococcus saprophyticus colony morphology - correct answer Streptococcus Gram Stain - correct answer Streptococcus pyogenes colony morphology - correct answer Streptococcus agalactiae colony morphology - correct answer Stre...

Define: Minimum inhibitory concentration correct answer: The minimum concentration of an antibiotic that inhibits growth of an organism for 24 hours. What is a broad spectrum antibiotic? Narrow spectrum? correct answer: Broad = affects both GP and GN organisms. Narrow spectrum = only GP or GN, not both. What is the DOC for streptococcus? correct answer: Penicillin family What kind of bacteria is strep. Pygogenes? correct answer: GP, coccus, common pathogen for "strep throat" and c...

CTBS Final Exam Prep Questions and Answers, Latest Updated 2024/2025 (100% Verified Answers) What is an automatic deferral for heart valve donation? a. History of Cancer b. Obesity c. Cardiomyopathy d. Idiopathic Disorders - correct answerc. Cardiomyopathy AATB standards require that tissue banking maintain SOPs encompassing all of the following except: a. Donor suitability criteria and record management policies b. FDA regulations that apply to tissue banking c. Procedures for monitorin...

MICROB 202 FINAL EXAM QUESTIONS AND ANSWERS (100% PASS) common traits of Streptococcus and Enterococcus species - Answer️️ -- Gram- positive cocci - Strepto (chain) arrangement - do not produce endospores - aerotolerant - negative result for catalase assay catalase assay - Answer️️ -tests for the production of catalase to differentiate between Staph/Micro cells and Strep/Entero cells catalase - Answer️️ -oxygen-detoxifying enzyme that breaks down hydrogen peroxide to water...