Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 14, Problem 8MCQ
Summary Introduction
Introduction:
Transmission of disease must occur for an infection to spread. First the transmission of infection happens from the reservoir to an individual then the individual must transmit the infectious agent to the susceptible host either directly or indirectly.
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The organism that causes bubonic plague can only be transmitted by the bite of an infected flea, the biological vector.
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In polymicrobial pulmonary infection, Stenotrophomonas maltophilia secretes a compound which activates an ARG in Pseudomonas aeruginosa. This is an example of:
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SCENARIO A. You are working in the
Emergency Department caring for a patient
with a Staphylococcus aureus infection.
S. aureus and MRSA strains are a cause of
significant morbidity and mortality in the US.
All of the following apply to S. aureus and
MRSA subtypes EXCEPT:
O A. MRSA strains can infect persons who have
no healthcare contact or association
O B. S. aureus is the leading cause of healthcare
associated wound/surgical incision infections
in the United States
O C. S. aureus infections results in a 3X increase
in length of hospital stay and a 5X increase risk
of in-hospital death
O D. MRSA colonization rates for health-care
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OE. S. aureus and MRSA subtypes can be
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O F. all of the above apply, no exception
Chapter 14 Solutions
Microbiology: An Introduction
Ch. 14 - Prob. 1RCh. 14 - Define symbiosis. Differentiate commensalism,...Ch. 14 - Prob. 3RCh. 14 - Prob. 4RCh. 14 - Distinguish symptoms from signs as signals of...Ch. 14 - How can a local infection become a systemic...Ch. 14 - Prob. 7RCh. 14 - Prob. 8RCh. 14 - Acquiring a closely related strain causes severe...Ch. 14 - Prob. 10R
Ch. 14 - Prob. 1MCQCh. 14 - All members of a group of ornithologists studying...Ch. 14 - Prob. 3MCQCh. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Prob. 9MCQCh. 14 - Prob. 10MCQCh. 14 - Prob. 1ACh. 14 - Florence Nightingale gathered the following data...Ch. 14 - Name the method of transmission of each of the...Ch. 14 - Prob. 4ACh. 14 - Three days before a nurse developed...Ch. 14 - Three patients in a large hospital acquired...Ch. 14 - Prob. 3CAECh. 14 - Mycobacterium avium-intracellulare is prevalent in...
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- Threshold density (ST) occurs (selected one best option) a.Only in diseases where transmission is density-dependent b. Only in diseases where transmission is frequency-dependent c.Does not depend on transmission mode d.Only in vector-borne diseases e. Only in Human diseasesarrow_forwardAvoiding interactions with known infected person can help limit spread of the infection by a. Reducing the effective contact rate and thereby lowering the reproductive rate of infection (Ro) b. Reducing the number of susceptible people in the community c. Reducing the virulence of the causative organism d. Reducing the potential length of infectionarrow_forwardDifferentiate the following Epidemic Patterns a. Common-Source b. Propagated c. Mixedarrow_forward
- What are the different modes of transmission? Select ALL that apply. a. Direct contact b. Indirect contact O c. Animal vectors O d. Spontaneous generation □e. Contaminated food or drinkarrow_forwardWhich of the following is not considered an insect vector?a. flea b. mosquito c. tickd. tsetse flyarrow_forwardEpidemiological studies are applied to the control of health problems in individuals. A. True B. Falsearrow_forward
- A disease caused by an infectious agent which can easily survive , develop, multiply, and/or be transmitted even in the absence of a human host has this characteristic A. secondary B. It can potentially be eradicated if other conditions are met C. Vectors D. It is not likely to be eradicated ever E. Ebola Virus Disease F. Elimination measures G. eradicated H. primary I. index J. eliminated K. Fomites L. Candidiasis (thrush) M. Nosocomial infections N. Control measuresarrow_forwardWell-water gets contaminated by farm animals, and the water causes gastroenteritis in those that drink it. What sort of transmission do you think this is? a. direct contact transmission b. vehicle transmission c. indirect contact transmission d. biological vector transmissionarrow_forwardWhich of the following is a commonality between coxsackievirus A16 infection and a varicella zoster infection?Choose one: A. Both infections are caused by viruses in the herpes family. B. Each disease is usually mild and self-limiting in children but is more severe in adults. C. Both viruses can cause a spotted rash to appear on the palms of the hands and soles of the feet. D. There is a vaccine available for both viruses.arrow_forward
- The following statements are true of arboviruses, except a. arboviruses show a peak incidence when the arthropod is actively feeding and reproducing. b. humans may be accidental reservoirs or maintenance reservoirs. c. fever and rash are common outcomes of arboviral infection. d. West Nile virus is not considered to be an arbovirus.arrow_forwardAn Rn travels to a developing country to provide education regarding polo transmission and prevention. What points would be important to emphasis?arrow_forwardWhich of the following is not considered an insect vector? a. fl ea c. tick b. mosquito d. tsetse fl yarrow_forward
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