which of the following uses commas in a series correctly
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Nursing Elites

ATI TEAS 7

English and Language Usage TEAS

1. Which of the following uses commas in a series correctly?

Correct answer: A

Rationale: Option A is the correct answer as it uses commas to separate items in a series ('milk, bread, and eggs'). In option B, the comma after 'bacon' is unnecessary. Option C correctly uses commas to separate the items in the series ('homework, hockey practice, and chores'). Option D incorrectly omits commas between 'mom' and 'dad,' and 'dad' and 'sister,' making it incorrect for a series of three or more items.

2. How can you predict the charge of an ion formed by an element based on its position on the periodic table?

Correct answer: B

Rationale: The group number of an element on the periodic table often indicates the typical ionic charge it will form. Elements in the same group tend to have similar chemical properties, including the tendency to gain or lose electrons to achieve a stable electron configuration. This predictable pattern allows us to anticipate the charge of an ion formed by an element based on its position in the periodic table. Choices A, C, and D are incorrect because predicting the charge of an ion is primarily based on the element's group number, which reflects its valence electrons and typical ionic charge. Atomic weight (Choice A) and period number (Choice C) do not directly correlate with the ionic charge prediction, and analyzing the element's position within the group (Choice D) is less relevant than identifying the group number itself.

3. Which of the following is an example of a polymer?

Correct answer: C

Rationale: The correct answer is C, Polyethylene. Polyethylene is a polymer composed of a large number of repeating ethylene units linked together, forming a long-chain molecule, characteristic of polymers. Methane, ethanol, and acetic acid are small organic molecules that do not demonstrate the repeating unit structure typical of polymers. Therefore, they are not examples of polymers.

4. Which of the following organs is responsible for filtering waste from the blood?

Correct answer: B

Rationale: The correct answer is B: Kidneys. The kidneys play a vital role in filtering waste from the blood, regulating fluid and electrolyte balance in the body. The liver is involved in detoxification and metabolism, while the pancreas aids in digestion and blood sugar regulation. The heart is responsible for pumping blood throughout the body and does not directly filter waste from the blood.

5. Which phrase best completes the definition of a memoir?

Correct answer: A

Rationale: A memoir is a historical account of a person's life written by someone who has intimate knowledge of that person's life, not necessarily by the person themselves. This distinguishes it from an autobiography, which is written by the person themselves. Memoirs are nonfictional and based on factual references, making option A the most fitting completion of the definition. Choices B, C, and D are incorrect because a memoir is not necessarily written by the person about whom it is written, it is not fictional, and it should be based on factual references to be considered a memoir.

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