ATI TEAS 7
TEAS 7 science study guide free
1. What structures provide comprehensive protection for the brain?
- A. Skull
- B. Meninges (Membranes)
- C. Cerebrospinal fluid
- D. All of the above
Correct answer: D
Rationale: The brain is a vital organ that requires robust protection, which is provided by a combination of structures. The skull acts as a hard, protective covering for the brain, shielding it from external trauma and injury. The meninges encompass three layers of membranes (dura mater, arachnoid mater, and pia mater) that envelop the brain and spinal cord, offering additional protection and cushioning. Cerebrospinal fluid, a clear, colorless fluid surrounding the brain and spinal cord, acts as a shock absorber and provides nutrients to the central nervous system. The combined function of the skull, meninges, and cerebrospinal fluid ensures comprehensive protection for the brain, making option D, 'All of the above,' the correct answer. Choices A, B, and C are not individually sufficient to provide comprehensive protection, but together, they form a multi-layered defense system for the brain.
2. What is the result of multiplying 0.15 by 3?
- A. 0.05
- B. 0.15
- C. 0.45
- D. 0.45
Correct answer: C
Rationale: The correct answer is C: 0.45. To find the result of multiplying 0.15 by 3, you simply multiply the two numbers together, which gives you 0.45. Choice A (0.05) is incorrect as it is the result of dividing 0.15 by 3 instead of multiplying. Choice B (0.15) is the original number being multiplied and not the result. Choice D (0.45) is the same as the correct answer but is repeated for redundancy.
3. What is a recommended first step when generating ideas for a group presentation?
- A. Interview sources for your presentation.
- B. Brainstorm interesting topics and ideas.
- C. Develop an organized outline of the topic.
- D. Cite the sources in your presentation.
Correct answer: B
Rationale: The correct answer is B: Brainstorm interesting topics and ideas. Brainstorming is an essential initial step in the creative process of generating ideas for a group presentation. It allows team members to freely share thoughts, explore various angles, and come up with innovative concepts. Choice A, interviewing sources, typically comes after brainstorming to gather information. Choice C, developing an organized outline, usually follows brainstorming to structure the presentation content. Choice D, citing sources, is important but is not the first step in the idea generation process.
4. Select the context clue from the following sentence that helps you define the word pungent: 'The pungent odor in the room made everyone’s eyes tear for a few minutes.'
- A. odor
- B. room
- C. made
- D. tear
Correct answer: A
Rationale: The correct answer is 'A: odor.' In the sentence provided, 'odor' serves as the context clue that helps define 'pungent' as a strong smell. The word 'pungent' commonly refers to something having a sharply strong scent, and 'odor' directly relates to this meaning in the sentence. Choices 'B: room,' 'C: made,' and 'D: tear' do not provide contextual information about the meaning of 'pungent,' making them incorrect choices for defining the word in this context.
5. Hampton's greatest achievement as the leader of the BPP may be his fight against street gang violence in Chicago. Which of these, if any, is misspelled?
- A. None of these is misspelled.
- B. greatest
- C. achievement
- D. leader
Correct answer: A
Rationale: All the words in the sentence are spelled correctly, including 'achievement.' There is no misspelling present. 'Greatest,' 'achievement,' and 'leader' are all spelled correctly. Option A is correct as there is no misspelled word in the sentence. Choices B, C, and D are wrong because they are correctly spelled words in the context of the sentence.
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