ATI TEAS 7
TEAS Test 7 science quizlet
1. What is the role of the spindle apparatus in cell division?
- A. To separate sister chromatids
- B. To move chromosomes to opposite poles of the cell
- C. To form a new nuclear envelope around each daughter cell
- D. To synthesize new DNA
Correct answer: B
Rationale: The spindle apparatus, composed of microtubules, plays a crucial role in cell division (mitosis and meiosis) by ensuring proper chromosome separation and distribution to opposite poles of the cell. This segregation is vital for creating two genetically identical daughter cells in mitosis or four haploid daughter cells in meiosis. Choice A is incorrect because the separation of sister chromatids is specifically carried out by kinetochore fibers within the spindle apparatus. Choice C is inaccurate as the formation of a new nuclear envelope occurs post chromosome segregation. Choice D is incorrect as DNA synthesis does not occur within the spindle apparatus; it takes place during the S phase of the cell cycle.
2. Which of the following sentences uses the MOST formal language?
- A. I can’t come to your party.
- B. I will be unable to come to your party.
- C. I won't be able to go to your party.
- D. I can't go to your party.
Correct answer: B
Rationale: The correct answer is 'I will be unable to come to your party.' This sentence uses formal language by avoiding contractions and employing a more polished wording. Choice A, 'I can’t come to your party,' contains a contraction ('can’t'), which makes it less formal. Choice C, 'I won't be able to go to your party,' though polite, still uses a contraction ('won't') and is not as formal as the correct answer. Choice D, 'I can't go to your party,' also includes a contraction and is less formal compared to the most formal choice, which is option B.
3. What can one infer about the meaning of the word 'Juggernaut' from the author's use of it in the passage?
- A. It is an apparition that appears at daybreak.
- B. It scares children.
- C. It is associated with space travel.
- D. Mr. Utterson finds it soothing.
Correct answer: B
Rationale: The use of the word 'Juggernaut' in the passage describes a disturbing and terrifying figure that tramples a child in the narrator's dream, evoking fear and horror. The description of the 'human Juggernaut' treading the child down and passing on regardless of her screams conveys a sense of menace and cruelty associated with the term. This portrayal does not align with choices A, C, or D. Choice A about an apparition appearing at daybreak is not supported by the text; choice C regarding space travel is completely unrelated to the context; and choice D suggesting Mr. Utterson finds it soothing contradicts the fearful and unsettling depiction of the 'Juggernaut' in the passage. Therefore, option B, 'It scares children,' is the most accurate inference based on the author's use of the word in the text.
4. Which of the following is NOT part of the circulatory system?
- A. Kidneys
- B. Heart
- C. Blood
- D. Blood vessels
Correct answer: A
Rationale: The correct answer is A: Kidneys. The kidneys are part of the urinary system, responsible for filtering waste and maintaining fluid balance in the body. In the circulatory system, the heart pumps blood, blood carries oxygen and nutrients, and blood vessels transport blood throughout the body. Choices B, C, and D are all components of the circulatory system, making the kidneys the correct choice as it belongs to the urinary system.
5. Which of the following is responsible for transporting oxygen in the blood?
- A. White blood cells
- B. Red blood cells
- C. Platelets
- D. Plasma
Correct answer: B
Rationale: Red blood cells are responsible for transporting oxygen in the blood. Hemoglobin, a protein found in red blood cells, binds to oxygen in the lungs and carries it to tissues throughout the body. White blood cells are involved in the immune system's defense mechanisms against infections, platelets help in blood clotting, and plasma is the liquid component of blood that carries various substances like nutrients, hormones, and waste products.
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