what is an equivalent fraction
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ATI TEAS 7

TEAS Practice Test Math

1. What is an equivalent fraction?

Correct answer: A

Rationale: An equivalent fraction is a fraction that may look different in terms of its numerator and denominator but still represents the same value or quantity. This means that when you simplify or expand a fraction, its value remains unchanged. Choice B and C are incorrect because equivalent fractions are not determined by being smaller or larger than another fraction; it is about representing the same quantity. Choice D is incorrect because equivalent fractions may have different numerators as long as the ratio between the numerator and denominator remains the same.

2. How do isotopes affect the atomic mass of an element?

Correct answer: B

Rationale: Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. Since the atomic mass of an element is the weighted average of the masses of its isotopes, the presence of isotopes causes the atomic mass of an element to vary slightly. This variation occurs because different isotopes have different masses due to their varying numbers of neutrons. The atomic mass is affected by the abundance of each isotope, leading to a slight fluctuation in the overall atomic mass of the element. Choice A is incorrect because isotopes do influence the atomic mass. Choice C is incorrect because isotopes have different masses, affecting the overall atomic mass. Choice D is incorrect as isotopes typically do not cause a significant variation in atomic mass, but rather a slight fluctuation.

3. Which of the following statements is an opinion?

Correct answer: B

Rationale: Statement B is an opinion because it expresses a personal viewpoint about the act of reading and satisfaction related to different reading formats. The phrase 'just as satisfying to the reader' reflects subjective feelings and preferences rather than objective facts. Choices A, C, and D are not opinions but statements of fact. Choice A discusses the continued popularity of printed media despite the Internet's advancement. Choice C talks about the change in reliance on books due to the Internet. Choice D states the historical presence of stories in the world, which is a factual statement about the past.

4. Identify the adverb in the following sentence:

Correct answer: B

Rationale: An adverb modifies verbs, adjectives, or other adverbs. In this sentence, 'anxiously' describes how the patient 'waited'. Therefore, the adverb in the sentence is 'anxiously'. Choice A, 'waited', is a verb and not an adverb. Choice C, 'doctor's', is a possessive noun and not an adverb. Choice D, 'news', is a noun and not an adverb. The correct adverb that modifies the verb 'waited' in the sentence is 'anxiously'.

5. Which of the following is NOT a risk factor for developing atherosclerosis?

Correct answer: C

Rationale: Regular physical activity is not a risk factor for developing atherosclerosis; in fact, it is associated with a reduced risk. High blood pressure, high levels of LDL cholesterol, and smoking are all known risk factors for atherosclerosis. Regular physical activity plays a crucial role in improving cardiovascular health, reducing the risk of atherosclerosis, and maintaining overall well-being. Therefore, the correct answer is regular physical activity (choice C).

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