OpenStax Microbiology Test Bank-Chapter 15: Microbial Mechanisms of Pathogenicity

OpenStax Microbiology Test Bank-Chapter 15: Microbial Mechanisms of Pathogenicity BIOLOGY 206 * = 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 Difficulty: Easy ASM Standard: N/A 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)* Difficulty: Easy ASM Standard: N/A 3. Which of the following is an example of a nosocomial disease? A. acquiring Giardia while drinking from a stream during a camping trip B. acquiring Listeria after eating at a public restaurant C. acquiring MRSA after touching a locker door handle after an already infected individual did so D. obtaining a Pseudomonas respiratory infection during a recent visit to the hospital* Difficulty: Easy ASM Standard: 23 4. Sickle cell anemia can be classified as which type of disease? A. idiopathic B. infectious, communicable C. infectious, noncommunicable D. noninfectious* Difficulty: Easy ASM Standard: N/A 5. Which of the following is not a zoonotic disease? A. rabies B. Rocky Mountain spotted fever C. typhoid* D. yellow fever Difficulty: Easy ASM Standard: 23 6. What period of disease describes when the patient begins to feel general signs and symptoms? A. incubation period B. period of convalescence C. period of illness D. prodromal period* Difficulty: Easy ASM Standard: 23 7. During which period of disease is a patient most susceptible to developing a secondary infection? A. incubation period B. period of convalescence C. period of decline* D. prodromal period Difficulty: Moderate ASM Standard: 23 Examine the graph shown below and then answer questions 8 and 9. 8. Examine the graph and determine the approximate ID50 of the virus. A. 10 particles B. 5000 particles C. 13,000 particles* D. cannot be determined from the data collected Difficulty: Moderate ASM Standard: 10, 23, 28b, 29, 36 9. Examine the graph and determine the LD50 of the virus. A. 10 particles B. 5000 particles C. 13,000 particles D. cannot be determined from the data collected* Difficulty: Moderate ASM Standard: 23, 28b, 29, 36 10. Identify which pathogen is the least virulent on the basis of ID50. A. pathogen A with an ID50 of 1000 cells* B. pathogen B with an ID50 of 50 cells C. pathogen C with an ID50 of 1 cell D. pathogenicity cannot be determined from ID50 values Difficulty: Moderate ASM Standard: 23 11. Which of the following is the definition of pathogenicity? A. the ability of a microbial agent to cause disease