ATI TEAS 7
ATI TEAS Science Practice Test
1. Which three parts make up the large intestine?
- A. Duodenum, ileum, jejunum
- B. Cecum, colon, rectum
- C. Ileum, jejunum, rectum
- D. Colon, cecum, ileum
Correct answer: B
Rationale: The correct answer is B: Cecum, colon, rectum. The large intestine is composed of the cecum, colon, and rectum. These parts are responsible for water absorption and feces formation. Choices A, C, and D are incorrect. A contains parts of the small intestine (duodenum, ileum, jejunum), C has a mix of small and large intestine parts, and D includes the small intestine part ileum. Understanding the correct anatomy of the large intestine is essential for distinguishing it from the small intestine.
2. How can a concave mirror be used?
- A. Focus light to a single point
- B. Create only virtual images
- C. Always magnify objects
- D. Scatter light
Correct answer: A
Rationale: A concave mirror can be used to focus light to a single point. This property is known as converging light rays to a focal point. When light rays parallel to the principal axis strike a concave mirror, they converge at a specific point called the focal point. This ability to focus light makes concave mirrors useful in applications such as reflecting telescopes and shaving mirrors. Choice B is incorrect because concave mirrors can create both real and virtual images, depending on the object's position relative to the mirror. Choice C is incorrect as concave mirrors can magnify, reduce, or maintain the size of objects, depending on the object's position and the distance from the mirror. Choice D is incorrect as concave mirrors do not scatter light but instead have the ability to reflect and focus light to produce clear images.
3. What is the structure that attaches to each chromosome during mitosis?
- A. Centromere
- B. Telomere
- C. Spindle apparatus
- D. Nucleolus
Correct answer: A
Rationale: The correct answer is the centromere. It is the structure that attaches to each chromosome during mitosis. The centromere serves as the attachment point for spindle fibers during cell division, ensuring proper distribution of chromosomes to daughter cells. Telomeres are found at the ends of chromosomes, providing protection and stability. The spindle apparatus is responsible for separating chromosomes during cell division. The nucleolus, located within the nucleus, is involved in ribosomal RNA synthesis and not in chromosome attachment during mitosis.
4. Which word choices will correctly complete the sentence? Increasing the price of bus fares has had a greater effect on ridership than expected.
- A. affect; then
- B. affect; than
- C. effect; then
- D. effect; than
Correct answer: D
Rationale: The correct answer is D: 'effect; than.' In this sentence, 'effect' is the appropriate word to use as it signifies the result of increasing bus fares on ridership. Additionally, 'than' is the correct word for making a comparison. Choice A and B are incorrect as 'affect' is a verb, while 'effect' is the noun needed in this sentence. Choice C is incorrect as 'then' is used to indicate time or sequence, which is not suitable in this context.
5. Reread the following sentence from the passage: 'Don't hit me with arguments about greater freedom for workers.' Which of the following would be a more formal way to rewrite the sentence?
- A. I disagree with the argument about contract workers having greater freedom.
- B. Stop telling me that freelancers have more freedom!
- C. Is there actually freedom for workers?
- D. I've already heard.
Correct answer: A
Rationale: Choice A, 'I disagree with the argument about contract workers having greater freedom,' is the correct answer. This sentence rephrases the original statement in a more formal and respectful tone, which is suitable for formal writing. Choice B is too direct and lacks formality. Choice C does not address the argument directly and poses a question instead of providing a formal statement. Choice D is dismissive and does not offer a formal rewrite of the original sentence.
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