Nursing Elites

1. What is the meaning of the word 'pathogens' as it is used in the first paragraph?

• A. diseases
• B. vaccines
• C. disease-causing substances
• D. foods

Correct answer: C

Rationale: In the context provided, 'pathogens' refers to disease-causing substances such as bacteria and viruses. These microorganisms can contaminate food and lead to foodborne illnesses. Choice A ('diseases') is incorrect as pathogens themselves cause diseases but are not diseases. Choice B ('vaccines') is incorrect as vaccines are used to prevent diseases caused by pathogens. Choice D ('foods') is incorrect as pathogens are not foods, but rather contaminants that can be found in food.

2. What does Macmillan's invention of the bicycle signify?

• A. He made important changes in bicycle design.
• B. He invented the first bicycle with pedals.
• C. He developed the modern chain drive.
• D. He improved the safety of bicycles.

Correct answer: B

Rationale: Macmillan's invention of pedals was a significant milestone in bicycle history as it allowed for quicker and more efficient travel. The provided extract mentions that Macmillan's bicycle had foot-operated cranks like pedals, which enabled the rider to travel at a quick pace. This innovation marked a crucial development in the evolution of bicycles. While choices A, C, and D are related to advancements in bicycle design and safety, the key significance of Macmillan's invention lies in introducing pedals to bicycles, making choice B the correct answer.

3. A reader might infer from this passage that the organization ___________.

• A. succeeded in eradicating malaria
• B. has always been led by a medical doctor
• C. no longer studies communicable diseases
• D. changed its name to match its mission

Correct answer: D

Rationale: The passage never says whether or not the CDC succeeded in its original mission (choice A) or whether it continued to be led by doctors (choice B). Inferring either of those things would be a leap unsupported by the text. Choice C is countered by information in the final

4. What is the author’s attitude toward vegetarianism?

• A. Scoffing
• B. Positive
• C. Cautious
• D. Uninterested

Correct answer: B

Rationale: The author presents a positive view of vegetarianism, citing benefits and supporting evidence.

5. What is the main idea of the passage?

• A. Bicycles have become a common mode of transportation worldwide.
• B. The first modern bicycle was invented in 1818 in Germany.
• C. Innovations and improvements in bicycle design have made bicycles popular for recreation and transportation globally.
• D. Bicycles are now built, used, and enjoyed globally.

Correct answer: C

Rationale: The main idea of the passage is that innovations and improvements in bicycle design have made bicycles one of the most popular means of recreation and transportation worldwide. The passage outlines the evolution of bicycles from their early designs to the modern versions, emphasizing how these changes have contributed to their popularity. Choice A is incorrect because it focuses only on the current status of bicycles, while the main idea encompasses the evolution and improvements in design. Choice B is incorrect as it mentions the invention of the first modern bicycle but does not address the overall impact of innovations on bicycle popularity. Choice D is incorrect as it simply states a fact without capturing the essence of the passage, which is about the impact of design improvements.

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