Microbiology Basic and Clinical Principles Test Bank

Questions 80

ATI RN

ATI RN Test Bank

Microbiology Basic and Clinical Principles Test Bank Questions

Question 1 of 5

For tuberculosis prevention the newborns got an injection of a vaccine. What vaccine was used?

Correct Answer: A

Rationale: The correct answer is A: BCG. BCG vaccine is commonly used for tuberculosis prevention because it provides immunity against Mycobacterium tuberculosis. Mantoux is a test, not a vaccine. DTaP vaccine is for diphtheria, tetanus, and pertussis, not tuberculosis. Anatoxin is a type of toxoid vaccine, not used for tuberculosis prevention. BCG vaccine has been shown to be effective in preventing severe forms of tuberculosis in infants, making it the appropriate choice in this scenario.

Question 2 of 5

Unlike eukaryotic cytoplasm, the prokaryotic one is:

Correct Answer: B

Rationale: The correct answer is B: Simpler. Prokaryotic cytoplasm is simpler than eukaryotic cytoplasm because prokaryotic cells lack membrane-bound organelles such as a nucleus, mitochondria, and endoplasmic reticulum that are present in eukaryotic cells. Prokaryotic cytoplasm contains fewer components and structures compared to eukaryotic cytoplasm, making it less complex. Therefore, the prokaryotic cytoplasm is simpler in structure. Choices A, C, and D are incorrect because prokaryotic cytoplasm is not more complex than eukaryotic cytoplasm, there is a clear difference in structure between prokaryotic and eukaryotic cytoplasm, and the statement "None of the above" is not accurate as the correct answer is B.

Question 3 of 5

The Wasserman reaction is markedly positive (++++) in a 30-year-old man. What infectious disease is diagnosed using the Wasserman reaction?

Correct Answer: B

Rationale: The correct answer is B: Syphilis. The Wasserman reaction is a test for syphilis, specifically for detecting antibodies against the bacterium Treponema pallidum. In a 30-year-old man with a markedly positive Wasserman reaction, it indicates an active syphilis infection. Brucellosis (Choice A) is not diagnosed using the Wasserman reaction. Poliomyelitis (Choice C) is a viral infection affecting the spinal cord, not diagnosed using the Wasserman reaction. Influenza (Choice D) is a respiratory viral infection, not associated with the Wasserman reaction.

Question 4 of 5

The term infection is equivalent to:

Correct Answer: A

Rationale: The correct answer is A: Infectious process. The term "infection" refers to the invasion of a host organism's body tissues by disease-causing agents, such as bacteria, viruses, or parasites. It encompasses the entire process from the initial entry of the pathogen to the host's response and resolution. Choice B, "Infectious disease," is incorrect as it specifically refers to the clinical manifestation of an infection. Choice C is irrelevant, and Choice D is incorrect as the term "infection" is indeed equivalent to the infectious process.

Question 5 of 5

Which type of bacteria are capable of surviving in high salt concentrations?

Correct Answer: C

Rationale: Correct Answer: C: Halophiles Rationale: 1. Halophiles are bacteria adapted to high salt environments. 2. They have specific mechanisms to tolerate high salt concentrations. 3. Acidophiles thrive in acidic conditions. 4. Thermophiles prefer high temperature environments. 5. Mesophiles grow best at moderate temperatures.

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