Nursing Elites

1. Which of the following pairs of examples from the passage best demonstrates why the use of plastics is a divisive topic?

• A. Plastic has advantages. Plastic is difficult to recycle efficiently.
• B. Plastic is consumed by birds. Plastic is entering our food.
• C. Plastic is popular. Plastic is used for packaging.
• D. Plastic is in landfills. Plastic is in the ocean.

Correct answer: A

Rationale: The examples of plastic's advantages and difficulties in recycling show why the topic is divisive. The passage mentions that plastic has advantages, but it is difficult to recycle efficiently, indicating a conflict between the benefits and environmental impact of plastics. This conflict contributes to the divisive nature of discussions surrounding the use of plastics. Choices B, C, and D do not provide contrasting examples that highlight the divisive nature of the topic.

2. Which of the following sentences best serves as the topic sentence in a paragraph about the history of yoga?

• A. The word 'yoga' was mentioned in the Vedas, a collection of texts containing songs, mantras, and rituals used by Vedic priests.
• B. By the late 1800s, yoga masters from India began to travel to the West, attracting followers.
• C. After a few hundred years, yoga masters rejected the teachings of the ancient Vedas and embraced the physical body as the means to achieve enlightenment.
• D. The practice of yoga first developed in the Indus-Sarasvati civilization in Northern India over 5,000 years ago.

Correct answer: D

Rationale: The correct answer is D because it introduces the historical origin of yoga, which is the main focus of the paragraph. This sentence sets the context by providing a foundational understanding of where and when yoga originated. Choice A talks about the mention of yoga in the Vedas but does not provide information about the historical development of yoga itself. Choice B discusses the travel of yoga masters to the West, which is a later development in the history of yoga and not the starting point. Choice C refers to a shift in yoga philosophy without directly addressing its origins, making it less suitable as a topic sentence compared to choice D.

3. Which of the following options is correctly punctuated?

• A. The runaway truck, which had been parked on a steep hill, swerved and teetered before jumping a curb and slamming into a tree.
• B. The runaway truck which had been parked on a steep hill swerved and teetered before jumping a curb and slamming into a tree.
• C. The runaway truck, which had been parked on a steep hill, swerved and teetered before jumping a curb and slamming into a tree.
• D. The runaway truck which had been parked on a steep hill, swerved and teetered before jumping a curb and slamming into a tree.

Correct answer: A

Rationale: The correct answer is A. The sentence correctly uses commas to set off the non-essential clause 'which had been parked on a steep hill.' The use of commas before and after the clause helps to distinguish it as additional information that could be omitted without changing the essential meaning of the sentence. Choices B, C, and D lack appropriate punctuation to set off the non-essential clause, making them incorrect. In these options, the absence of commas or the placement of commas incorrectly within the sentence affects the clarity and structure of the sentence, violating punctuation rules for non-essential clauses.

4. Which gland produces the hormone responsible for regulating blood sugar levels?

• A. Pituitary gland
• B. Thyroid gland
• C. Pancreas
• D. Adrenal glands

Correct answer: C

Rationale: The correct answer is the pancreas. The hormone responsible for regulating blood sugar levels is insulin, which is produced by the pancreas. The pituitary gland produces various hormones that regulate other endocrine glands, the thyroid gland produces hormones that regulate metabolism, and the adrenal glands produce hormones involved in the stress response. Therefore, choices A, B, and D are incorrect in the context of regulating blood sugar levels.

5. Which state of matter has both a definite volume and a definite shape?

• A. Solid
• B. Liquid
• C. Gas
• D. Plasma

Correct answer: A

Rationale: The correct answer is 'Solid.' Solids have both a definite volume and a definite shape because the particles are closely packed together and vibrate in fixed positions. This close arrangement of particles allows solids to maintain their shape and volume, unlike liquids and gases which do not have a definite shape. Liquids take the shape of their container but have a definite volume. Gases, on the other hand, do not have a definite shape or volume as they expand to fill the space available to them. Plasma is a high-energy state of matter where atoms are stripped of their electrons and is not characterized by definite shape or volume.

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