what property of a substance refers to its ability to undergo a chemical change and form new substances with different properties
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ATI TEAS 7

TEAS Test 7 science quizlet

1. What property of a substance refers to its ability to undergo a chemical change and form new substances with different properties?

Correct answer: C

Rationale: Reactivity is the property of a substance that describes its ability to undergo a chemical change and form new substances with different properties. Density (A), mass (B), and volume (D) are physical properties of a substance and do not directly relate to its ability to undergo chemical changes. Density is mass per unit volume, mass is the amount of matter in a substance, and volume is the space occupied by a substance.

2. Based on the following evidence, what is the most likely reason that spoiled food left out in the open often contains fly larvae?

Correct answer: B

Rationale: The correct answer is B. Flies laying eggs in the food when it is left exposed to the air is a common occurrence and a logical explanation for the presence of fly larvae in spoiled food. Choice A is incorrect as food cannot evolve into fly larvae; fly larvae come from eggs laid by flies. Choice C is incorrect as fly larvae do not spontaneously generate from spoiled food but rather develop from eggs laid by flies. Choice D is incorrect as the presence of fly larvae in spoiled food is a real phenomenon, not merely imagined by people.

3. Which of the following is an effect of high blood pressure?

Correct answer: C

Rationale: The correct answer is C: Renal vessel damage. High blood pressure can lead to damage in blood vessels throughout the body, including the kidneys. When blood vessels in the kidneys are affected, it can impair kidney function and potentially lead to kidney disease. Smoking (Choice A) and excessive dietary salt (Choice B) can contribute to high blood pressure but are not direct effects of high blood pressure itself. Older age (Choice D) is a risk factor for developing high blood pressure but is not a direct effect of high blood pressure.

4. During nuclear transmutation, a target nucleus is bombarded with a particle to create:

Correct answer: C

Rationale: During nuclear transmutation, a target nucleus is bombarded with a particle to create an entirely new element. This process involves changing the number of protons in the nucleus, resulting in the creation of a different element. Options A and B are incorrect because nuclear transmutation leads to the formation of a new element, not a heavier or lighter isotope of the same element. Option D, a chain reaction of nuclear fission, is incorrect as nuclear transmutation involves the direct conversion of one element into another through bombardment with particles, not the initiation of a fission chain reaction.

5. 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.

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