BIO-275-W2-2021SP Microbiology: Microbial Mechanisms of Pathogenicity

BIO-275-W2-2021SP Microbiology 1. Home 2. My courses 3. BIO-275-W2-2021SP 4. Week 9 (March 25-April 1): Microbial Mechanisms of Pathogenicity 5. Chapter 15 Quiz (45 minutes) Started on Thursday, April 1, 2021, 4:15 PM State Finished Completed on Thursday, April 1, 2021, 4:56 PM Time taken 41 mins Grade 11.50 out of 15.00 (77%) Question 1 Correct 0.50 points out of 0.50 Flag question Question text Antibiotics can lead to septic shock if used to treat Select one: a. gram-negative bacterial infections. b. viral infections. c. helminth infections. d. protozoan infections. e. gram-positive bacterial infections. Feedback The correct answer is: gram-negative bacterial infections. Question 2 Correct 0.50 points out of 0.50 Flag question Question text Produced only by gram negative bacteria: Select one: a. Exotoxin b. Endotoxin Feedback Good work The correct answer is: Endotoxin Question 3 Correct 0.50 points out of 0.50 Flag question Question text Botulism is caused by ingestion of a protein-based exotoxin. Therefore, it can easily be prevented by Select one: a. not eating canned food. b. administering antibiotics to patients. c. filtering food. d. preventing fecal contamination of food. e. boiling food prior to consumption. Feedback The correct answer is: boiling food prior to consumption. Question 4 Incorrect 0.00 points out of 0.50 Flag question Question text The most common portal of entry for pathogenic bacteria and viruses is the Select one: a. skin b. mucous membranes c. parenteral route Feedback That's not correct The correct answer is: mucous membranes Question 5 Correct 0.50 points out of 0.50 Flag question Question text Which of the following enzymes causes lysis of red blood cells? Select one: a. leukocidin b. hemolysin c. coagulase d. hyaluronidase Feedback Good work The correct answer is: hemolysin Question 6 Correct 0.50 points out of 0.50 Flag question Question text Usually made of protein: Select one: a. Exotoxin b. Endotoxin Feedback Good work The correct answer is: Exotoxin Question 7 Correct 0.50 points out of 0.50 Flag question Question text A nosocomial infection is acquired Select one: a. From an animal b. From microbes normally present in the soil c. From contaminated drinking water d. In a hospital Feedback Good work The correct answer is: In a hospital Question 8 Incorrect 0.00 points out of 0.50 Flag question Question text Which is produced by S. aureus and forms a fibrin clot around the bacterium? Select one: a. leukocidin b. hemolysin c. coagulase d. hyaluronidase Feedback That's not correct The correct answer is: coagulase Question 9 Correct 0.50 points out of 0.50 Flag question Question text Which of the following spreads infection by disrupting a component of connective tissue? Select one: a. leukocidin b. hemolysin c. coagulase d. hyaluronidase Feedback Good work The correct answer is: hyaluronidase Question 10 Correct 0.50 points out of 0.50 Flag question Question text Lysogenic conversion refers to Select one: a. Production of new enzymes by activated bacteria. b. Bacterial DNA being altered by a bacteriophage, causing it to produce toxins. c. Changes in properties of endotoxins Feedback Good work The correct answer is: Bacterial DNA being altered by a bacteriophage, causing it to produce toxins.