Which of the following is not a factor in the rise of drug-resistantAcinetobacter baumannii?a. It is very widespread in many habitats.b. It has acquired greater toxicity.c. It readily acquires genetic material from other species.d. The hospital environment brings together vulnerable patients anddrugs.

Which of the following is not a factor in the rise of drug-resistantAcinetobacter baumannii?a. It is very widespread in many habitats.b. It has acquired greater toxicity.c. It readily acquires genetic material from other species.d. The hospital environment brings together vulnerable patients anddrugs.

Comprehensive Medical Assisting: Administrative and Clinical Competencies (MindTap Course List)

6th Edition

ISBN:9781305964792

Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa

Publisher:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa

Chapter37: Regulatory Guidelines For Safety And Quality In The Medical Laboratory

Section: Chapter Questions

Problem 3CR

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During this outbreak, some people sickened with listeriosis testedpositive for Listeria monocytogenes in their bloodstream, but a DNAprofile of the bacterium showed that it was not the outbreak strain.What likely conclusion can be drawn from this information?a. It is a false positive. b. The person is not part of the outbreak.c. Listeria monocytogenes mutates frequently, making DNAprofiling unreliable.d. The person has already begun to recover from the disease.
Which of the following best describes the mechanism of action of the antibiotic streptomycin? A. it disrupts protein synthesis in resistant bacteria. B. Streptomycin inhibits cell wall synthesis in all bacterial species. C. Streptomycin creates mutations in bacteria which cause them to become resistant. D. It disrupts protein synthesis in nonresistant bacteria.
Why antibacterial drugs are ineffective against: A. Fungal Infections B. Viral infections C. Helminthic worm infections
One of the leading causes of morbidity and mortality after a person gives birth is sepsis. Some cases are caused by invasive Group A streptococcus. What is a potential reservoir for this pathogen? A. There are so many species of Group A streptococcus that it is impossible to identify a reservoir. B. It can be normal flora in the person's throat, and respiratory secretions can be transmitted by direct contact. C. It is normal flora in the blood, and therefore colonizes the surface of the baby's skin as the baby is being born.
Which of the following compounds represents a peptidoglycan specific antibiotic ? A. tetracycline B. chloramphenicol C. penicillin D. aspirin
Which of the following is not true? a. Cockroaches can transport a variety of parasites, usually on their external surface. This is an example of mechanical transmission by a vector b. A contamination will inevitably lead to an infection c. Case fatality rate is one of the indicators of virulence of an infectious agent d. None of the pandemics prior to COVID-19 were caused by a coronavirus
what is the mechanism of action for penicillins? a. injury to plasma membrane b. inbibition of protein synthesis c. inhibition of cell wall synhesis d. inhibition of nucleic acid synthesis e. none of the above describes the mechanism of action for penicillins
The first step for directly linking a microbe to a specific disease according to Koch's postulates is to A.isolate microbes from the blood of healthy animals. B. culture the blood or other body fluid from a diseased animal using nutrient medium. C. inject a sample of blood or other body fluid from a diseased animal into a healthy animal. D. obtain a sample of blood or other body fluid from a diseased animal.
Observe the results from a disc-diffusion experiment below. Which antibiotic would you prescribe to a patient with a similar Staphylococci infection? The patient has no known allergies or contraindications for broad-spectrum antibiotics. Remember to use the table above to determine if the bacteria are resistant, susceptible or intermediate. a. Tetracycline b. Streptomycin c. Penicillin d. Norfloxacin
Some strains of Escherichia coli bacteria have acquired the ability to produce the harmful Shiga toxin, normally produced by Shigella dysenteriae. Which statements best explain why this occurs? Mark all that apply. A. conjugation between two different species of bacteria allowed both strains of bacteria to express a virulence factor B. transformation resulted in expression of a virulence factor C. horizontal gene transfer between different species of bacteria D. transduction of a specific gene resulted in expression of new traits
Penicillin was first used in the 1940s to treat gonorrhea infections produced by the bacterium Neisseria gonorrhoeae. In 1984, according to the CDC, fewer than 1% of gonorrhea infections were caused by penicillin-resistant N. gonorrhoeae. By 1990, more than 10% of cases were penicillin resistant and a few years later the level of resistance was 95%. Explain the various ways this resistance could be spread among the cells. Could this resistance pass to other infectious bacteria from N. gonorrhoeae?
Which of the following is not one of the objectives of the antibiotic resistance study? A. Distinguish between a virus and a bacteria B. Distinguish between broad spectrum and narrow spectrum antibiotics C. Distinguish between susceptibility and resistance D. Anderstand the advantages of the Kirby-Bauer method versus the Disk-Diffusion method E. All of these are objectives of the Antibiotic resistance study