Microbiology Chapter 14 Exam Questions with 100% Correct Answers | Verified | Updated

Microbiology Chapter 14 Exam Questions with 100% Correct Answers | Verified | Updated Which of the following statements concerning pathology, infection, and disease is true? A. The majority of microorganisms are pathogenic. B. Microorganisms that make up the normal microbiota of an individual never cause disease. C. Pathology refers to the study of structural and functional changes that occur in the body as a result of a disease. D. The term infection is synonymous with the term disease. - answerC. Pathology refers to the study of structural and functional changes that occur in the body as a result of a disease. Which of the following is an example of the symbiotic relationship known as mutualism? A. a tapeworm in the gastrointestinal tract of a human B. E. coli within the large intestine C. saprophytic Mycobacterium of the ear D. Corynebacterium on the surface of the eye - answerB. E. coli within the large intestine Koch's postulates established criteria for proving that a specific organism causes a specific disease. Which of the following is NOT one of the criteria given by Koch's postulates? A. The pathogen must be isolated from inoculated animals and must be different from the original organism. B. The pathogen must be isolated from the diseased host and grown in pure culture. C. The pathogen isolated from a pure culture must cause the disease in a healthy lab animal. D. The same pathogen must be present in every case of the disease. - answerA. The pathogen must be isolated from inoculated animals and must be different from the original organism. This is not one of the criteria. According to Koch's postulates, the pathogen isolated from the inoculated animals must be the same as the original organism. Which of the following is classified as a latent disease? A. tuberculosis B. infectious mononucleosis C. shingles D. influenza - answerC. shingles A patient acquires an infection by touching a contaminated door handle. Which mode of transmission best describes this scenario? A. direct contact transmission B. vehicle transmission C. droplet transmission D. indirect contact transmission - answerD. indirect contact transmission A dog develops a diarrheal disease after drinking water from a creek during a hike with his owner. Which of the following best describes this method of disease transmission? A. vehicle transmission B. vector transmission C. contact transmission D. There is not enough information to determine the mode of transmission. - answerA. vehicle transmission Plague is transmitted through the bite of an infected flea. Which of the following best describes this mode of transmission? A. direct contact transmission B. vehicle transmission C. vector transmission D. indirect contact transmission - answerC. vector transmission Which of the following is a fungal zoonosis that can be transmitted by direct contact? A. tapeworm B. West Nile encephalitis C. ringworm D. Lyme disease - answerC. ringworm Which of the following would be an example of disease transmission via INDIRECT contact? A. Mr. Smith sneezes on an airplane, and the person sitting beside him catches his cold. B. A student sneezes on her test booklet. The instructor grades it and catches her cold. C. A restaurant worker has diarrhea caused by Norovirus. He fails to wash his hands adequately before preparing the salad, and his customers get sick. D. A tick that is infected with Lyme disease bites a hiker, and the hiker gets Lyme disease. - answerB. A student sneezes on her test booklet. The instructor grades it and catches her cold. According to the animation, surgical infections account for what percentage of nosocomial infections? 8% 40% 15% 20% 11% - answer20% What type of nosocomial infection is likely to arise from intravenous catheterizations? A. Lower respiratory B. Bacteremia C. Urinary tract D. Surgical E. Cutaneous - answerB. Bacteremia How might a patient who is not being treate