Uta Microbiology Tholen: Exam 4 With Verified Answers

A mosquito bites a person who subsequently develops a fever and abdominal rash. What type of transmission would this be? a) mechanical vector transmission b) biological vector transmission c) direct contact transmission d) vehicle transmission {Ans: b) biological vector transmission}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 d) Salmonella enterica serovar Typhimurium {Ans: c) Human immunodeficiency virus}Which of the following applies to hyaluronidase? a) It acts as a spreading factor. b) It promotes blood clotting. c) It is an example of an adhesin. d) It is produced by immune cells to target pathogens. {Ans: a) it acts as a spreading factor}Which of the following would NOT be considered an emerging disease? a) Ebola hemorrhagic fever b) West Nile virus fever/encephalitis c) Zika virus disease d) Tuberculosis {Ans: d) Tuberculosis}Which of the following would be a virulence factor of a pathogen? a) a surface protein allowing the pathogen to bind to host cells b) a secondary host the pathogen can infect c) a surface protein the host immune system recognizes d) the ability to form a provirus