Nursing Elites

1. Select the word that makes this sentence grammatically correct. People often believe ______ to be morally superior to their friends.

• A. oneself
• B. themself
• C. theirselves
• D. themselves

Correct answer: D

Rationale: The correct pronoun to use in this sentence is 'themselves' because it refers to the plural noun 'People.' 'Oneself' is singular and does not match the plural subject. 'Themself' is not a standard pronoun in English and is considered non-standard usage. 'Theirselves' is not a proper word in standard English grammar and is grammatically incorrect. Therefore, 'themselves' is the only grammatically correct option in this context.

2. What is the overall tone of the essay about A Short History of the CDC?

• A. Appreciative.
• B. Awestruck.
• C. Somber.
• D. Disheartened.

Correct answer: A

Rationale: The tone of the essay is appreciative, reflecting a recognition of the CDC's historical contributions to public health. The passage highlights the organization's evolution and its significant impact on disease control and prevention, suggesting a positive and respectful view of its work over the years, making A the correct choice.

3. Why is an unwanted gift called a white elephant?

• A. It is a good gift to give at the party
• B. Gifts are never unwanted
• C. Siam's rulers punished with the gift
• D. It is rare to get an unwanted gift

Correct answer: C

Rationale: The term 'white elephant' originated from the practice of the kings of Siam (now Thailand) giving rare and sacred white elephants as gifts. These white elephants were highly prestigious but also very expensive to maintain, causing financial burdens on the recipients. The kings of Siam used white elephants as a punishment for those who displeased them. The recipients were required to care for the white elephant in a grand style, resulting in financial liabilities that could make them impoverished. Over time, the term 'white elephant' evolved to describe any valuable item that is burdensome or unwanted. Therefore, choice C is correct. Choices A, B, and D are incorrect because they do not accurately explain the origin and meaning of the term 'white elephant' in the context of unwanted gifts.

4. If oxygen is in a compound, what would its oxidation number be?

• A. 2
• B. -2
• C. 0
• D. -1

Correct answer: B

Rationale: Oxygen typically has an oxidation number of -2 in compounds because it tends to gain electrons. This is due to its high electronegativity, which leads to oxygen attracting electrons towards itself in a chemical bond. Choice A (2) is incorrect because oxygen doesn't have a +2 oxidation number in compounds. Choice C (0) is incorrect as oxygen rarely has an oxidation number of 0 in compounds. Choice D (-1) is incorrect as oxygen's oxidation number in compounds is typically -2, not -1.

5. Which element has the highest electronegativity?

• A. Fluorine
• B. Chlorine
• C. Nitrogen
• D. Oxygen

Correct answer: A

Rationale: Fluorine has the highest electronegativity among the elements listed. Electronegativity is a measure of an atom's ability to attract and hold onto electrons in a chemical bond. Fluorine, being the most electronegative element on the periodic table, has the strongest ability to attract electrons towards itself compared to chlorine, nitrogen, and oxygen. Therefore, fluorine is the correct answer. Chlorine, nitrogen, and oxygen have lower electronegativities compared to fluorine, making them incorrect choices for the element with the highest electronegativity.

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