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Nursing Elites

ATI TEAS 7

physics

1. Which state of matter has particles that are highly organized in a fixed pattern and vibrate in place?

Correct answer: a

Rationale: In solids, particles are tightly packed in an ordered arrangement and vibrate around fixed positions, giving solids a definite shape and volume.

2. What is the primary difference between science and pseudoscience?

Correct answer: B

Rationale: Both science and pseudoscience can explore similar topics, but their methods and reliance on evidence differentiate them.

3. What is the functional group present in aldehydes?

Correct answer: B

Rationale: Aldehydes have the functional group -CHO, which is a carbonyl group bonded to a hydrogen atom. The other choices are associated with different functional groups.

4. A keystone species plays a critical role in an ecosystem because its removal would:

Correct answer: D

Rationale: Rationale: Keystone species are species that have a disproportionately large effect on their environment relative to their abundance. They play a critical role in maintaining the structure and function of an ecosystem. If a keystone species is removed from an ecosystem, it can disrupt the food web by causing imbalances in predator-prey relationships. This disruption can lead to cascading effects on other populations within the ecosystem, potentially causing population declines or even extinctions. Therefore, the removal of a keystone species would have significant impacts on the overall ecosystem structure, making option D the correct answer.

5. Identify the reflexive pronoun in the sentence: "She prepared herself for the presentation."

Correct answer: A

Rationale: "Herself" refers back to the subject "she," making it a reflexive pronoun.

6. What is the name for the smallest amount of an element that can exist independently and retain its chemical properties?

Correct answer: A

Rationale: An atom is the fundamental building block of an element, consisting of a nucleus and electrons.

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