what is the main purpose of a thesis statement 3726332
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ATI TEAS 7

ATI TEAS English and Language Usage

1. What is the main purpose of a thesis statement?

Correct answer: B

Rationale: The main purpose of a thesis statement is to clearly state the main idea or argument of the essay. It serves as a roadmap for the reader, outlining the central point that the essay will address. Choice A, 'To summarize the essay,' is incorrect because while a thesis statement does provide a concise summary of the main point, its primary function is to present the main idea, not summarize the entire essay. Choice C, 'To ask a question,' is incorrect as a thesis statement is a declarative statement that asserts a position or argument rather than posing a question. Choice D, 'To provide evidence,' is incorrect because a thesis statement does not offer evidence but rather sets the direction and focus for the evidence that will be presented in the essay.

2. Glial cells support and protect neurons within the central and peripheral nervous system. What are they called?

Correct answer: A

Rationale: Astrocytes are a type of glial cell that provide support and protection for neurons in both the central and peripheral nervous systems. While the term 'Neuroglia' is often used to refer to glial cells collectively, in this context, the question specifically asks for the name of the cells, making 'Astrocytes' the correct answer. Choice B, 'Neuroglia,' is a general term for all glial cells, not a specific type. Choices C and D, 'Oligodendrocytes' and 'Schwann cells,' are also types of glial cells but are not the primary cells responsible for supporting and protecting neurons as described in the question.

3. Which of the following lists the structures found beneath the rib in descending order?

Correct answer: C

Rationale: The correct order of structures found beneath the rib in descending order is Vein → Artery → Nerve. This sequence is important to remember for medical procedures like inserting a chest tube to ensure precision and avoid complications. Choice A is incorrect because the nerve is not typically the structure closest to the rib. Choice B is incorrect as the vein is usually closer to the rib than the nerve. Choice D is incorrect as the artery is usually closer to the rib than the nerve.

4. Protestors filled the streets of the city because they were dissatisfied with the government’s leadership. Which of the following is an appropriately-punctuated correction for this sentence?

Correct answer: D

Rationale: The correct answer is D. The sentence should be corrected by removing the period and joining the clauses to avoid a sentence fragment. Option A is incorrect because it incorrectly separates the clauses with a comma. Option B is incorrect as it incorrectly uses a comma after 'Protesters' and lacks proper structure. Option C is incorrect as it places the subordinate clause at the beginning, which disrupts the flow of the sentence.

5. During which phase of the cell cycle does DNA replication occur?

Correct answer: A

Rationale: Interphase is the phase of the cell cycle where the cell spends the majority of its time and is characterized by three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2). DNA replication specifically occurs during the S phase of interphase. This is a crucial step as it ensures that each daughter cell produced during cell division receives an exact copy of the genetic material. Mitosis is responsible for the equal distribution of the replicated DNA to the daughter cells during cell division. Meiosis is a specialized cell division process for gamete production in sexually reproducing organisms, involving two rounds of division to generate haploid cells. Cytokinesis is the final step of the cell cycle, where the cytoplasm divides to complete the formation of two separate daughter cells following nuclear division.

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