ATI TEAS 7
ATI TEAS English
1. What is the most effective way to rewrite the following sentence: She is saying that some of the students are wearing to school is being distracting and inappropriate?
- A. Some of the outfits students wear to school, she is saying, are distracting and not appropriate.
- B. The outfits are distracting and inappropriate, she says, that students wear to school.
- C. She says that some of the outfits that students wear to school are distracting and inappropriate.
- D. She says that it is distracting and inappropriate that students wear outfits to school.
Correct answer: C
Rationale: The most effective way to rewrite the sentence is, 'She says that some of the outfits that students wear to school are distracting and inappropriate.' This choice corrects the sentence structure by placing the subject ('Some of the outfits') before the verb ('are'), making it clearer and more grammatically correct. Choice A is incorrect as it places the subject after the verb, which disrupts the sentence structure. Choice B is incorrect as it changes the meaning of the sentence by placing the verb before the subject. Choice D is incorrect as it creates a confusing sentence structure by using 'that' redundantly.
2. Which of the following battles occurred first?
- A. Cold Harbor
- B. Chancellorsville
- C. Atlanta
- D. Shiloh
Correct answer: D
Rationale: Shiloh occurred earlier than the other battles listed. Shiloh took place in April 1862 during the American Civil War, making it the earliest battle among the options provided. Cold Harbor occurred in June 1864, Chancellorsville in May 1863, and Atlanta in July-September 1864. Therefore, Shiloh is the correct answer. Choice A (Cold Harbor) is incorrect because it happened after Shiloh. Choice B (Chancellorsville) is incorrect because it occurred after Shiloh. Choice C (Atlanta) is also incorrect as it took place after Shiloh.
3. What is the main idea of the second paragraph?
- A. One hairy monkey proves the hypothesis 'All monkeys are hairy.'
- B. The same piece of evidence can both confirm and disconfirm a hypothesis.
- C. Confirming and disconfirming evidence affect hypotheses differently.
- D. The scientific method is not a failsafe method for arriving at objective truth.
Correct answer: C
Rationale: The main idea of the second paragraph is that confirming and disconfirming evidence can affect hypotheses differently, as stated in the passage - 'Single pieces of evidence then, seem to affect a given hypothesis in radically different ways.' Choice A is incorrect because the paragraph discusses how single pieces of evidence affect hypotheses, not that one hairy monkey proves a hypothesis. Choice B is incorrect as the paragraph focuses on the different effects of evidence on hypotheses, rather than its ability to confirm and disconfirm simultaneously. Choice D is incorrect as the paragraph does not primarily discuss the scientific method's failings but rather the impact of evidence on hypotheses.
4. How does AIDS impair the immune system?
- A. AIDS targets and destroys Helper T-Cells, preventing the activation of Cytotoxic T-Cells or B-Cells.
- B. IgE stimulates mast cells to release excessive histamine.
- C. IgE inhibits mast cells from releasing sufficient histamine.
- D. Helper T-Cells deceive the body into attacking itself.
Correct answer: A
Rationale: AIDS targets and destroys Helper T-Cells, which play a crucial role in coordinating the immune response. By affecting these cells, AIDS prevents the activation of other important immune cells like Cytotoxic T-Cells or B-Cells. This disruption in the immune system's communication and response mechanisms leads to immune system failure and increased vulnerability to infections. Choices B and C are incorrect because they refer to the role of IgE in allergic reactions, which is not directly related to how AIDS impairs the immune system. Choice D is also incorrect as Helper T-Cells being destroyed in AIDS is not about deceiving the body into attacking itself, but rather the direct impact on immune system function.
5. What is a gene, and what is the relationship between genes, genotype, and phenotype?
- A. A gene is a sequence of amino acids; genes make up proteins; genotype determines phenotype
- B. A gene is a portion of DNA; genes determine traits; genotype is the genetic makeup; phenotype is the physical manifestation
- C. A gene is a protein; proteins determine traits; genotype is the set of all genes
- D. A gene is a lipid; lipids determine traits; phenotype is the physical manifestation
Correct answer: B
Rationale: A gene is a portion of DNA that contains the instructions for a specific trait. Genotype refers to the genetic makeup of an organism, encompassing all its genes. Phenotype, on the other hand, is the observable physical manifestation resulting from the interaction between an organism's genotype and environmental factors. Choice A is incorrect because genes do not consist of amino acids directly; they are sequences of nucleotides. Choice C is incorrect as genes do not determine traits directly but provide the instructions for proteins that may influence traits. Choice D is incorrect as genes are not lipids, and lipids do not determine traits; they are a type of biomolecule with different functions.
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