ATI TEAS 7
TEAS 7 science practice questions
1. What is the basic unit of communication in the nervous system?
- A. Neuron
- B. Astrocyte
- C. Neurotransmitter
- D. Synapse
Correct answer: A
Rationale: A neuron is the basic unit of communication in the nervous system. Neurons are specialized cells responsible for transmitting information through electrical and chemical signals. Astrocytes are a type of glial cell that provide support and nourishment to neurons but do not participate in signal transmission. Neurotransmitters are chemicals that facilitate signal transmission between neurons, and synapses are the specific junctions where these signals are transmitted. Therefore, the correct answer is 'A: Neuron' as it is the primary cell involved in transmitting information in the nervous system.
2. A piece of wood that is 7 1/2 feet long has 3 1/4 feet cut off. How many feet of wood remain?
- A. 4 1/4 feet
- B. 4 1/2 feet
- C. 3 1/2 feet
- D. 3 3/4 feet
Correct answer: A
Rationale: To find the remaining length of wood, you need to subtract 3 1/4 feet from 7 1/2 feet. When you subtract the fractions, 7 1/2 - 3 1/4, you get 15/2 - 13/4 = 30/4 - 13/4 = 17/4 = 4 1/4 feet. Therefore, the correct answer is 4 1/4 feet. Choice B (4 1/2 feet) is incorrect because the subtraction result is not 1/2. Choice C (3 1/2 feet) is incorrect as it does not match the correct result of 4 1/4 feet. Choice D (3 3/4 feet) is also incorrect as it does not align with the correct answer obtained from the subtraction of fractions.
3. Where does the majority of nutrient absorption occur?
- A. Mouth
- B. Stomach
- C. Small intestine
- D. Large intestine
Correct answer: C
Rationale: The majority of nutrient absorption occurs in the small intestine. The small intestine is where the final stages of digestion take place, and it is specialized for absorption with its large surface area and villi that increase nutrient absorption efficiency. The mouth is responsible for mechanical digestion through chewing, the stomach primarily aids in digestion through mixing and breakdown of food, and the large intestine mainly absorbs water and electrolytes, with minimal nutrient absorption.
4. Jenson also discovers that the meaning behind many of the plays was closely related to the polytheistic beliefs that were practiced in ancient Greece. What section of the library should he check for more information about Greek polytheism?
- A. 100
- B. 200
- C. 300
- D. 900
Correct answer: B
Rationale: Jenson should check section 200 of the library for more information about Greek polytheism. In the Dewey Decimal Classification system used in libraries, section 200 covers topics related to religion. Since Greek polytheism is a religious belief system, relevant resources and information about it are most likely found in the 200s section of the library. Choice A (100) covers Philosophy and Psychology, which is not directly related to religion like Greek polytheism. Choice C (300) covers Social Sciences, which is not the most appropriate section for information on religious beliefs. Choice D (900) covers History, Geography, and Biography, which are also unrelated to the specific topic of Greek polytheism.
5. Which of the following is the main organ responsible for storing energy?
- A. Liver
- B. Heart
- C. Kidneys
- D. Adipose tissue
Correct answer: D
Rationale: Adipose tissue, commonly known as body fat, is the main organ responsible for storing energy in the form of triglycerides. It serves as a reserve of energy that can be utilized when needed. The liver primarily regulates glucose levels and stores glycogen for short-term energy needs but is not the main organ for long-term energy storage. The heart's main function is to pump blood throughout the body and is not involved in energy storage. The kidneys are essential for filtering blood and maintaining fluid balance but are not responsible for storing energy.
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