Exotoxin and endotoxin - Study guides, Class notes & Summaries

A characteristic that assists a microbe in causing disease is called correct answers A virulence factor Indirect damage to a host organism can be caused by that host's excessive, inappropriate immune response. Such excessive, inappropriate immune responses can be triggered by bacterial correct answers Superantigens and endotoxin (lipid A) Cholera toxin is an example of a bacterial exotoxin. The end result of the action of cholera toxin is correct answers Severe diarrhea Bacteria that h...

OpenStax Microbiology Test Bank Chapter 15: Microbial Mechanisms of Pathogenicity * = Correct answer Multiple Choice 1. Which of the following would be considered a symptom? A. blood pressure reading of 150/90 mm Hg B. body ache and chills* C. fever of 39 C D. heart rate of 120 bpm 2. Which of the following would be considered a sign? A. blurry vision B. body ache and chills C. burning sensation during urination D. gross hematuria (visible presence of blood in urine)* 3. W...

BSC Menzel Exam 3 Questions & Answers VERIFIED, RATED A+ antiserum - -The generic term for serum because it contains Ab Apoptosis - -programmed cell death (clean) artifically acquired active immunity - -Injection of Ag (vaccine) artificially acquired passive immunity - -Injection of Ab (blood transfusion) bacteremia - -bacteria in the blood Basophils - -Produce histamine for an inflammation response chemistry of endotoxin - -lipid A chemistry of exotoxin - -protein chemokines - -cause...

USMLE Actual final Pretest and Post test Exam Questions and Best Graded Guaranteed success latest 2024/2025 What type of normal flora is found on cutaneous surfaces? Urethra? Outer ear? - correct answer Staphylococcus epidermidis What is bacteremia? - correct answer Bacteria in bloodstream without overt clinical signs What is septicemia? - correct answer Bacteria in bloodstream (multiplying) with clinical symptoms What is the important mechanism in which bacteria can attach to ...

Ascp mixed recalls MICROBIOLOGY 1. Which of the following tests can be utilized to differentiate Morganella from Providencia? A. Phenylalanine Deaminase and Lysine Deamination B. Indole test and Vogues-Proskauer C. Citrate and Gas production D. Lactose fermentation and Methyl Red test 2. An oxidase negative coccobacillus isolated from a urine specimen grows well on MacConkey, giving a purplish hue. It is resistant to many antimicrobials. a. Pseudomonas b. Acinetobacter c. E. coli d. ...

Activated macrophages are required in elimination of infections caused by a) intracelular bacteria b) extracelular microbes c) both above mentioned d) nothing of above mentioned - b Antibodies of which of mentioned classes cross placental barriere a) IgG b) IgM c) IgA d) IgD - a The number of polypeptid chains is the highest in the molecule of a) IgG b) IgM c) IgE d) IgD - b Complement fixation reaction (CFR) a) is the reaction during which the complement cascade i...

MICROBIOLOGY MCQS EXAM REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE/ Activated macrophages are required in elimination of infections caused by a) intracelular bacteria b) extracelular microbes c) both above mentioned d) nothing of above mentioned - -b Antibodies of which of mentioned classes cross placental barriere a) IgG b) IgM c) IgA d) IgD - -a The number of polypeptid chains is the highest in the molecule of a) IgG b) IgM c) IgE d) IgD - -b Complement fixation reaction (CFR...

MIP 300 Final Exam Antigenic drift - correct answer Small changes (or mutations) in the genes of influenza viruses that can lead to changes in the surface proteins of the virus Antigenic shift - correct answer An abrupt, major change in an influenza A virus, resulting in new surface proteins and/or new HA and NA proteins in influenza viruses that infect humans Asymptomatic carriers - healthy - correct answer A person or other organism that has become infected with a pathogen, but that dis...

Which of the following would be a sign of an infection? a) muscle aches b) headache c) fever d) nausea - Answer-c) fever Which of the following is an example of a noncommunicable infectious disease? a) infection with a respiratory virus b) food poisoning due to a preformed bacterial toxin in food c) skin infection acquired from a dog bite d) infection acquired from the stick of a contaminated needle - Answer-b) food poisoning due to a preformed bacterial toxin in food During an oral s...

Microbiology Fundamentals - A Clinical Approach - Chapter 3 Exam 2024 Actin -Answer-Protein component of long filaments of protein arranged under the cytoplasmic membrane of bacteria; contributes to cell shape and division. Cell Membrane -Answer-A thin sheet of lipid and protein that surrounds the cytoplasm and controls the flow of materials into and out of the cell pool. Cell Wall -Answer-In bacteria, a rigid structure made of peptidoglycan that lies just outside the cytoplasmic membrane...