UTA Microbiology Tholen Exam 4 Verified Guide
1. Which of the following would be a sign of an infection? - a) muscle aches - b) headache - c) fever (Correct Answer) - d) nausea
2. Which of the following is an example of a noncommunicable infectious disease? - a) infection with a respiratory vir...
UTA Microbiology Tholen Exam 4 Verified Guide
1. Which of the following would be a sign of an infection?
- a) muscle aches
- b) headache
- c) fever (Correct Answer)
- d) nausea
2. 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 (Correct Answer)
- c) skin infection acquired from a dog bite
- d) infection acquired from the stick of a contaminated needle
3. During an oral surgery, the surgeon nicked the patient's gum with a sharp instrument. This allowed
Streptococcus, a bacterium normally present in the mouth, to gain access to the blood. As a result, the
patient developed bacterial endocarditis (an infection of the heart). Which type of disease is this?
- a) iatrogenic (Correct Answer)
- b) nosocomial
- c) vectors
- d) zoonotic
4. Which period is the stage of disease during which the patient begins to present general signs and
symptoms?
- a) convalescence
- b) incubation
- c) illness
- d) prodromal (Correct Answer)
5. A communicable disease that can be easily transmitted from person to person is which type of
disease?
, - a) contagious (Correct Answer)
- b) iatrogenic
- c) acute
- d) nosocomial
6. Which of the following is a pathogen that could not be identified by the original Koch's postulates?
- a) Staphylococcus aureus
- b) Pseudomonas aeruginosa
- c) Human immunodeficiency virus (Correct Answer)
- d) Salmonella enterica serovar Typhimurium
7. Pathogen A has an ID50 of 50 particles, pathogen B has an ID50 of 1,000 particles, and pathogen C has
an ID50 of 1 × 10^6 particles. Which pathogen is most virulent?
- a) pathogen A (Correct Answer)
- b) pathogen B
- c) pathogen C
8. Which of the following choices lists the steps of pathogenesis in the correct order?
- a) invasion, infection, adhesion, exposure
- b) adhesion, exposure, infection, invasion
- c) exposure, adhesion, invasion, infection (Correct Answer)
- d) disease, infection, exposure, invasion
9. Which of the following would be a virulence factor of a pathogen?
- a) a surface protein allowing the pathogen to bind to host cells (Correct Answer)
- b) a secondary host the pathogen can infect
- c) a surface protein the host immune system recognizes
- d) the ability to form a provirus
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