what is the most common and least permeable type of capillary
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ATI TEAS 7

ATI TEAS Science Questions

1. Which type of capillary is the most common and least permeable?

Correct answer: C

Rationale: The correct answer is C, continuous capillaries. Continuous capillaries are the most common and least permeable type of capillary. They are found in most tissues, including muscle and the nervous system. Continuous capillaries have a continuous endothelium without fenestrations or large gaps, which limits the movement of substances across their walls. Choice A, fenestrated capillaries, have pores (fenestrations) in their endothelial cells, making them more permeable than continuous capillaries. Choice B, sinusoidal capillaries, have a discontinuous endothelium with large gaps between cells, making them more permeable and allowing larger molecules and cells to pass through compared to continuous capillaries. Choice D, discontinuous capillaries, are similar to sinusoidal capillaries with a discontinuous endothelium, allowing for enhanced permeability compared to continuous capillaries.

2. She was really looking forward to the picnic, _________ she feared it might rain that afternoon. Which of the following transition words or phrases is more appropriate to complete the sentence above?

Correct answer: D

Rationale: The correct answer is 'D' - 'although.' This transition word is suitable in the context as it indicates a contrast between the excitement of looking forward to the picnic and the worry about rain. 'After all' (choice A) implies a conclusion or reasoning, which doesn't fit the contrast in the sentence. 'Likewise' (choice B) suggests similarity or agreement, which is opposite to the intended contrast. 'In other words' (choice C) signals clarification or providing more details, which is not needed here. Therefore, 'although' is the best choice to convey the contrast between anticipation and concern.

3. Convert 0.29 pounds to ounces.

Correct answer: B

Rationale: To convert pounds to ounces, you need to know that there are 16 ounces in a pound. Multiplying 0.29 pounds by 16 gives you 4.64 ounces. Therefore, the correct answer is B. Choice A (2.9 ounces) is incorrect as it doesn't consider the conversion factor of 16 ounces per pound. Choice C (29 ounces) and Choice D (46.4 ounces) are incorrect because they incorrectly interpret the conversion from pounds to ounces.

4. What is the purpose of the italics used for several of the words identified in the sentence above?

Correct answer: D

Rationale: The purpose of the italics used for several words in the sentence is to indicate books that Angela completed during the summer. The italics are used for titles of books or literary works, showing emphasis or highlighting specific titles. In the provided extract, titles like 'The Great Gatsby,' 'Brave New World,' and 'A Passage to India' are italicized, indicating completed readings. Choice A is incorrect as it does not accurately reflect the purpose of italics in this context. Choice B is incorrect because the use of italics does not specifically indicate classic literature. Choice C is also incorrect as the italics are not related to recommendations but rather completion of reading.

5. Which statement accurately defines power?

Correct answer: B

Rationale: Power is defined as the rate at which energy is transferred or work is done. It is a measure of how quickly work is done or energy is transferred. Option A incorrectly refers to the amount of energy stored in an object, not power. Option C incorrectly refers to the maximum force exerted by an object, not power. Option D incorrectly refers to the resistance of an object to change in motion, not power. Therefore, the correct definition of power is that it is the rate at which energy is transferred or work is done.

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