Virulence factors - Study guides, Class notes & Summaries

Microbiology (3.3) Virology + Lab TechniquesDiverse Structure and Function of Viruses - classified by genetic homology Viral Infection and Diseases - virulence = ability of virus to induce disease in infected host - Avirulent strains replicate with no pathological or symptomatic consequence - no significant correlation b/t structure of viruses + diseases they induce! - DNA/RNA - Enveloped/Naked - Large/Small Genomes Brainpower Read More Overview viral infections (pic) V...

Staphylococci - ANSWER-Gram-Positive Cocci. Nonmotile, facultative anaerobes. Catalase positive and they differentiate with mannitol salt agar and coagulase test Staphylococcus aureus - ANSWER-Part of natural flora on skin, nasopharynx and intestine. Resistant to many antibiotics •EX: resitant to penicillin Virulence factors of S. aureus - ANSWER-Cytolytic toxins Exfoliative toxins Toxic shock syndrome toxin Enterotoxins Protein A • binds to Fc of IgG so IgG cannot bind to FcR on ...

What are the 5 strains of Brucella that are important and what are their preferred hosts? correct answers B. abortus-cattle, bison and buffalo B. suis- swine B. melitensis- sheep and goats B. ovis- infertility in rams B. canis- almost exclusively in dogs True/False: Most species of Brucella can infect animals other than their preferred hosts correct answers True True/False: Brucella has the classic virulence factors as well as some unique virulence factors. correct answers False, no cl...

Rheumatic fever is a consequence of correct answers an immune reaction following strep throat, resulting in damage to heart valves Diseases caused by Streptococcus pneumoniae include correct answers otitis media, meningitis, lobar pneumonia, bronchial pneumonia Which group is at greatest risk for B Streptococcus infection? correct answers neonates Pertussis has all of the following characteristics: correct answers 1. the pathogen has virulence factors to destroy the action of respira...

NWHSU Microbiology Midterm Exam Questions And Answers What order of magnitude is the size of a bacterium? 10^-6 or 1-10 micro meters What is the structure and function of glycocalyces, flagella, fimbriae, pili?" Glycocalyces: polysaccharides, or polysaccharides mixed with proteins Flagella: protein Fimbriae: short proteins Pili: protein tubes Which of these structures are known virulence factors? Glycocalyx/capsule Which structures contribute to biofilm formation? Glycocalyx (sl...

OpenStax Microbiology Test Bank Chapter 9: Microbial Growth Page 1 of 17 Chapter 9: Microbial Growth * = Correct answer Multiple Choice 1. Bacteria most commonly reproduce using which of the following methods? A. binary fission* B. budding C. meiosis D. mitosis Difficulty: Easy ASM Standard: N/A 2. Which structure separates new daughter cells in binary fission? A. the crescent B. the division septum* C. the FtsZ D. the spindle apparatus Difficulty: Easy ASM Standard: N/A 3. W...

What types of virulence factors help a pathogen spread through the body, evade the host immune defenses or cause damage to the host? - ANS If you only stay home during the symptomatic phase of illness, will you avoid infecting other people? - ANS What is the difference between an asymptomatic carrier and a person with a latent infection? - ANS -A carrier: is asymptomatic but is still shedding the pathogens, making the people around them sick. (Eg. Typhoid Mary; a ...

A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size - Binary Fission Enzymes, toxins, and other factors that affect the relative ability of a pathogen to infect and cause disease. - Virulence factors Gram staining differentiates bacteria based on their: A) ATP B) endospore C) cell wall D) integral proteins - Cell Wall Reactions that require energy are called ________ reactions: A) endergonic B) endothermic C) exergonic ...

Test Bank Gould's Pathophysiology for the Health Professions 6th Edition HUBERT TEST BANK Table of Contents Chapter 01: Introduction to Pathophysiology Test Bank 1 Chapter 02: Fluid, Electrolyte, and Acid-Base Imbalances Test Bank 9 Chapter 03: Introduction to Basic Pharmacology and Other Common Therapies Test Bank 18 Chapter 04: Pain Test Bank 21 Chapter 05: Inflammation and Healing Test Bank 25 Chapter 06: Infection Test Bank 36 Chapter 07: Immunity Test Bank 44 Chapter 08: Skin Disorders Test...

Staphylococci - ANSWER-Gram-Positive Cocci. Nonmotile, facultative anaerobes. Catalase positive and they differentiate with mannitol salt agar and coagulase test Staphylococcus aureus - ANSWER-Part of natural flora on skin, nasopharynx and intestine. Resistant to many antibiotics •EX: resitant to penicillin Virulence factors of S. aureus - ANSWER-Cytolytic toxins Exfoliative toxins Toxic shock syndrome toxin Enterotoxins Protein A • binds to Fc of IgG so IgG cannot bind to FcR on ...