which transitional word would be the best option to represent the logical link between these two sentences i often have heard arguments claiming that
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ATI TEAS 7

TEAS 7 English Practice Test

1. Which transitional word would be the best option to represent the logical link between these two sentences? I often have heard arguments claiming that complete freedom of speech could lead to dangerous situations. Without complete freedom of speech, can it truly be said that we live in a free society?

Correct answer: A

Rationale: The correct answer is 'However.' In this context, the transitional word 'However' is used to introduce a contrast between the two sentences. The first sentence presents an argument about the potential dangers of complete freedom of speech, while the second questions the notion of living in a free society without such freedom. 'However' establishes a logical link by indicating a shift or contradiction in ideas. Choice B, 'Therefore,' would imply a cause-and-effect relationship, which is not supported by the content of the sentences. Choice C, 'So,' would indicate a conclusion or result, which does not fit the context. Choice D, 'Supposedly,' is not a suitable transitional word in this context as it does not connect the contrasting ideas presented in the sentences.

2. What type of bond holds water molecules together?

Correct answer: B

Rationale: The correct answer is B: Hydrogen bond. Hydrogen bonds are responsible for holding water molecules together. In a water molecule, the oxygen atom is slightly negative, and the hydrogen atoms are slightly positive, creating a partial positive and negative charge. This polarity allows hydrogen bonds to form between adjacent water molecules. Covalent bonds involve the sharing of electrons, ionic bonds involve transfer of electrons between ions, and peptide bonds are specific to linking amino acids in proteins, which are not relevant to water molecule interactions.

3. Which component of the nervous system is responsible for controlling voluntary movements, such as the contraction of skeletal muscles?

Correct answer: C

Rationale: The correct answer is C: Somatic nervous system. The somatic nervous system is responsible for controlling voluntary movements, such as the contraction of skeletal muscles. This system consists of motor neurons that send signals from the central nervous system to the skeletal muscles, allowing for conscious control over movement. The autonomic nervous system (A) controls involuntary functions like heart rate and digestion, the peripheral nervous system (B) includes all nerves outside the central nervous system, and the sympathetic nervous system (D) is a division of the autonomic nervous system responsible for the fight-or-flight response. Therefore, choices A, B, and D are incorrect as they do not specifically regulate voluntary movements of skeletal muscles, which is a function of the somatic nervous system.

4. Which concentration unit depends on pressure?

Correct answer: C

Rationale: The correct answer is 'C: molarity.' Molarity is the concentration unit that depends on pressure. In molarity, the concentration of a solution is expressed as the number of moles of solute per liter of solution. This means that changes in pressure can affect the volume of the solution and consequently the concentration. Choices A and B, ppm (parts per million) and ppb (parts per billion), respectively, are independent of pressure variations as they are based on mass ratios. Therefore, molarity is the only concentration unit listed that is directly influenced by changes in pressure.

5. A hundred years ago, automobiles were rare, but now cars are ubiquitous. However, she doesn't know what the word ubiquitous means. Which key context clue is essential to decipher the word's meaning?

Correct answer: D

Rationale: The correct answer is 'D: Rare.' In the sentence, it is mentioned that 'a hundred years ago, automobiles were rare,' which provides the context that the opposite of rare would mean something very common, thus helping to decipher the meaning of 'ubiquitous.' Choice A, 'Ago,' refers to a time frame and doesn't directly provide a contrast to 'ubiquitous.' Choice B, 'Cars,' is mentioned in both parts of the sentence and does not help in defining 'ubiquitous.' Choice C, 'Now,' signifies the current time but doesn't contrast with 'ubiquitous' to aid in its understanding.

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