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 bacteria is responsible for causing the disease known as tuberculosis?

Correct Answer: B

Rationale: The correct answer is B: Mycobacterium tuberculosis. This bacterium is responsible for causing tuberculosis as it specifically infects the lungs and can spread through the air. Mycobacterium leprae (choice A) causes leprosy, not tuberculosis. Streptococcus pneumoniae (choice C) is a common cause of pneumonia but not tuberculosis. Clostridium botulinum (choice D) causes botulism, a different disease unrelated to tuberculosis. Therefore, the unique characteristics and infection pattern of Mycobacterium tuberculosis make it the correct choice for the bacteria responsible for causing tuberculosis.

Question 4 of 5

In preparation for business trip abroad the doctor was prescribed a histoschizontocidal antimalarial drug as a personal means of disease prevention. What drug was given to the doctor?

Correct Answer: B

Rationale: The correct answer is B: Mefloquine. Mefloquine is a histoschizontocidal antimalarial drug commonly prescribed for prevention of malaria in travelers. It is effective against the liver stage of the malaria parasite, which is crucial for preventing the development of the disease. Chingamin (A) is not a commonly used antimalarial drug. Biseptol (C) is a combination antibiotic and is not effective against malaria parasites. Quinine (D) is primarily used for treating malaria, not preventing it, and it is not specifically histoschizontocidal.

Question 5 of 5

Which is correct for bacterial growth?

Correct Answer: A

Rationale: The correct answer is A because most bacteria can grow in both the presence and absence of oxygen. Some bacteria are aerobic and require oxygen for growth, while others are anaerobic and can grow in the absence of oxygen. Choice B is incorrect because not all bacteria grow in the absence of oxygen. Choice C is incorrect because not all bacteria are microaerophiles, which are bacteria that require a low level of oxygen for growth. Choice D is incorrect because most bacteria exhibit flexibility in their oxygen requirements.

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