how many quarts are in 1 gallon
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Nursing Elites

ATI TEAS 7

Metric Conversions for Nursing

1. How many quarts are in 1 gallon?

Correct answer: B

Rationale: The correct answer is B: 4 quarts. There are 4 quarts in 1 gallon. This conversion is based on the fact that 1 gallon is equivalent to 4 quarts. Choice A is incorrect as 2 quarts are half of a gallon, not a whole gallon. Choice C is incorrect as 3 quarts is less than a gallon. Choice D is incorrect as it represents only one quart, whereas the question asks for the quantity in a gallon.

2. What does the P-wave in an ECG correspond to?

Correct answer: B

Rationale: The P-wave in an ECG represents the depolarization of the SA node and the atria, not atrial repolarization. Choice C, ventricular depolarization, is incorrect because the P-wave does not correspond to ventricular activity. Choice D, ventricular repolarization, is also incorrect as the P-wave does not depict ventricular repolarization. The correct interpretation is that the P-wave signifies the initiation of the electrical impulse at the SA node and subsequent atrial depolarization, making option B the correct answer.

3. Arrange the following fractions from least to greatest: 2/3, 1/2, 5/8, 7/9.

Correct answer: C

Rationale: To compare the fractions, it is beneficial to convert them to decimals or find a common denominator. When converted to decimals: 1/2 = 0.50, 5/8 = 0.625, 2/3 ≈ 0.666, and 7/9 ≈ 0.778. Therefore, the correct order from least to greatest is 1/2, 5/8, 2/3, 7/9. Choice A is incorrect because it places 7/9 first, which is the greatest fraction. Choice B is incorrect as it incorrectly lists the fractions. Choice D is incorrect as it starts with 7/9, which is the largest fraction instead of the smallest.

4. What are polymers?

Correct answer: A

Rationale: Polymers are large molecules formed by repeating units called monomers. These monomers link together to form long chains or networks, giving polymers their unique properties such as flexibility, strength, and durability. Choice B is incorrect because polymers are not simple organic molecules with low boiling points, but rather complex structures formed by polymerization. Choice C is incorrect as polymers are not necessarily highly reactive compounds, and they are not exclusively used in industrial processes. Choice D is incorrect because polymers can have varying solubilities and structures depending on their composition and properties.

5. Which of the following best explains the meaning of fastidious as it is used in the sentence? "Henry was fastidious about keeping his workspace organized, ensuring that every item was always in its proper place."

Correct answer: A

Rationale: In this context, the word 'fastidious' describes someone who pays great attention to detail, is very meticulous, and particular about things being perfect. Henry's behavior of keeping his workspace organized and ensuring everything is in its proper place indicates his meticulous nature. 'Fussy' aligns best with this meaning as it conveys being hard to please and excessively attentive to detail, which accurately describes Henry's behavior. Choices B, C, and D are incorrect as they do not capture the essence of being meticulous and attentive to detail, which is the central meaning conveyed by 'fastidious' in this context.

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