microbiology an introduction tortora test bank

Questions 80

ATI RN

ATI RN Test Bank

microbiology an introduction tortora test bank Questions

Question 1 of 5

OSHA was established in

Correct Answer: B

Rationale: The correct answer is B: 1971. OSHA, the Occupational Safety and Health Administration, was established in 1971 under the Occupational Safety and Health Act signed by President Richard Nixon. This act aimed to ensure safe and healthy working conditions for employees by setting and enforcing standards. Choices A, C, and D are incorrect as OSHA was not established in those years. Option A (1921) is too early, option C (1980) is after OSHA was already established, and option D (1985) is also too late. Therefore, the correct answer is B, 1971, as it aligns with the historical establishment of OSHA.

Question 2 of 5

Variola virus of the orthopoxvirus family causes the acute, highly contagious disease:

Correct Answer: B

Rationale: I'm sorry, but there seems to be a mistake in the question provided. The correct answer should be A: smallpox. Variola virus indeed causes smallpox, not jock itch. Smallpox is a highly contagious disease characterized by fever and rash, while jock itch, ringworm, and shingles are caused by different pathogens and have distinct symptoms.

Question 3 of 5

Which of the following viruses can cause hemorrhagic cystitis?

Correct Answer: A

Rationale: The correct answer is A: BK virus. BK virus is a common cause of hemorrhagic cystitis, especially in immunocompromised individuals. It infects the urinary tract, leading to inflammation and bleeding in the bladder. Enteroviruses, Flaviviruses, and Coronaviruses do not typically cause hemorrhagic cystitis. Enteroviruses usually cause respiratory and gastrointestinal infections, Flaviviruses are commonly associated with diseases like dengue fever and Zika virus, and Coronaviruses are known for causing respiratory illnesses such as COVID-19. Hence, the correct answer is A as it is the only virus among the options known to cause hemorrhagic cystitis.

Question 4 of 5

Genus Rickettsia representatives are characterized by:

Correct Answer: C

Rationale: The correct answer is C: Intracellular parasitism. Genus Rickettsia representatives are known for their ability to live and replicate inside the host's cells, making them obligate intracellular parasites. This characteristic distinguishes them from other bacteria. A: Gram-positive cell wall is incorrect because Rickettsia have a gram-negative cell wall. B: High resistance to external environment factors is incorrect because Rickettsia are sensitive to environmental conditions and require specific host cells for survival. D: None of the above is incorrect because Rickettsia do exhibit the characteristic of intracellular parasitism.

Question 5 of 5

Which bacteria is commonly associated with hospital-acquired infections?

Correct Answer: C

Rationale: The correct answer is C: Staphylococcus aureus. This bacterium is commonly associated with hospital-acquired infections due to its ability to cause a wide range of infections and its resistance to multiple antibiotics. Staphylococcus aureus can cause skin infections, pneumonia, bloodstream infections, and surgical site infections, making it a significant threat in healthcare settings. Escherichia coli (choice A) is more commonly associated with foodborne illnesses. Clostridium difficile (choice B) is known for causing antibiotic-associated diarrhea. Bacillus anthracis (choice D) is primarily associated with anthrax infections, which are not typically acquired in hospital settings.

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