ATI TEAS 7
Practice Science TEAS Test
1. What do lacteals absorb in the small intestine?
- A. Carbohydrates
- B. Lipids
- C. Proteins
- D. Nonpolar nutrients
Correct answer: B
Rationale: Lacteals are lymphatic capillaries in the small intestine that specialize in absorbing dietary lipids. These lipids are then transported into the lymphatic system for further processing and distribution throughout the body. Choice A (Carbohydrates) is incorrect because carbohydrates are primarily digested and absorbed in the small intestine by enzymes and transported to the liver. Choice C (Proteins) is incorrect because proteins are broken down into amino acids and absorbed in the small intestine, mainly by the villi. Choice D (Nonpolar nutrients) is incorrect as it is a vague term and not specific to what lacteals absorb, which are primarily lipids.
2. According to the passages, which situation would not constitute an illegal use of lethal force?
- A. A disgruntled cashier yells obscenities at a customer.
- B. A thief is seen running away with stolen cash.
- C. A man is attacked in an alley by another man with a knife.
- D. A woman punches another woman in a bar.
Correct answer: C
Rationale: The correct answer is C because, according to the passage, lethal force may be legally used in self-defense or to protect others from imminent danger. In the situation where a man is attacked in an alley by another man with a knife, the use of lethal force to defend oneself would not constitute an illegal act. Choices A, B, and D do not involve a situation where the use of lethal force in self-defense would be justified, making them incorrect. A disgruntled cashier yelling obscenities, a thief running away with stolen cash, and a woman punching another woman do not present imminent danger that would justify the use of lethal force.
3. What word best describes the author's attitude toward those who believe they understand money?
- A. Supportive
- B. Incriminating
- C. Excessive
- D. Patronizing
Correct answer: D
Rationale: The author's tone towards those who think they understand money is patronizing, as seen in the statement 'Many of my hearers may say, 'we understand this; this is economy, and we know economy is wealth; we know we can't eat our cake and keep it also.' Yet I beg to say that perhaps more cases of failure arise from mistakes on this point than almost any other.' This conveys a sense of superiority and belittlement, making 'Patronizing' the best word to describe the author's attitude. - Choice A, 'Supportive,' is incorrect as the author is not expressing support but rather a critical view. - Choice B, 'Incriminating,' is incorrect as the author is not accusing or blaming those who believe they understand money. - Choice C, 'Excessive,' is incorrect as it does not capture the author's attitude of looking down on others' understanding of money.
4. Which of the following best describes the statement 'This flower is dead; someone must have forgotten to water it'?
- A. A classification
- B. An observation
- C. An inference
- D. A collection
Correct answer: C
Rationale: The correct answer is 'C: An inference.' An inference is a conclusion reached based on evidence and reasoning. In this statement, the conclusion that someone must have forgotten to water the flower is drawn from the evidence that the flower is dead. Choice A, 'A classification,' is incorrect because the statement does not involve categorizing or grouping. Choice B, 'An observation,' is incorrect as the statement goes beyond just stating a fact and makes a conclusion. Choice D, 'A collection,' is unrelated to the process of drawing a conclusion based on the given evidence.
5. Which nitrogenous bases pair with each other in DNA?
- A. A-G and T-C
- B. A-T and C-G
- C. A-T and T-T
- D. C-C and G-G
Correct answer: B
Rationale: In DNA, nitrogenous bases pair with each other in a specific manner known as complementary base pairing. Adenine (A) always pairs with Thymine (T), and Cytosine (C) always pairs with Guanine (G). This pairing is essential for maintaining the structure and function of DNA. Option B is the correct answer as it correctly identifies the nitrogenous bases that pair with each other in DNA. Choices A, C, and D are incorrect because they do not follow the established base pairing rules in DNA. A-T and C-G are the complementary base pairs in DNA, ensuring the stability and replication fidelity of the genetic material.
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