ATI TEAS 7
ATI TEAS Science Practice Test
1. What is the anatomical term for the back of the body? Example: Shoulder blade.
- A. Anterior
- B. Superior
- C. Posterior
- D. Inferior
Correct answer: C
Rationale: The correct answer is C: Posterior. 'Posterior' is the anatomical term that refers to the back of the body. It is the opposite of 'anterior,' which refers to the front of the body. 'Superior' typically describes a structure that is positioned above another structure, while 'inferior' refers to a structure that is below another. In this case, the term 'posterior' specifically indicates the back of the body, making it the most appropriate choice among the options provided.
2. Enzymes are ________ molecules that serve as _______ for certain biological reactions.
- A. Enzymes are irrelevant molecules that serve as suppressors for certain biological reactions.
- B. Enzymes are acidic molecules that serve as catalysts for certain biological reactions.
- C. Enzymes are lipid molecules that serve as catalysts for certain biological reactions.
- D. Enzymes are protein molecules that serve as catalysts for certain biological reactions.
Correct answer: D
Rationale: Enzymes are protein molecules that serve as catalysts for certain biological reactions. Enzymes are biological molecules that speed up chemical reactions in living organisms by lowering the activation energy required for the reactions to occur. They are typically proteins that have specific shapes and active sites that allow them to interact with specific substrates and facilitate reactions without being consumed themselves. The other choices are incorrect because enzymes are not irrelevant, acidic, or lipid molecules; they are primarily proteins known for their catalytic properties.
3. An object is initially at rest. Which of the following will definitely NOT cause it to move?
- A. A constant force acting on it
- B. No force acting on it
- C. A force that increases in magnitude over time
- D. A force that decreases in magnitude over time
Correct answer: B
Rationale: The correct answer is B because if an object is initially at rest and no force is acting on it, it will remain at rest due to Newton's First Law of Motion. This law states that an object at rest will stay at rest unless acted upon by an external force. Choices A, C, and D all involve forces acting on the object, which would cause it to move according to Newton's laws of motion. Choice A, a constant force acting on the object, would cause it to move at a constant velocity. Choice C, a force that increases in magnitude over time, would accelerate the object. Choice D, a force that decreases in magnitude over time, would decelerate the object.
4. Which of the following words contains an exception to a spelling rule?
- A. Unclear
- B. Memorize
- C. Noticeable
- D. Grieved
Correct answer: C
Rationale: The correct answer is C, 'Noticeable.' This word contains an exception to the common spelling rule of dropping the 'e' before adding a suffix starting with a vowel. In this case, the 'e' is retained in 'noticeable' before adding the suffix '-able.' Choices A, B, and D do not involve any spelling rule exceptions. 'Unclear,' 'Memorize,' and 'Grieved' follow standard spelling conventions without any irregularities.
5. Round to the nearest tenth: 8.067.
- A. 8.07
- B. 8.1
- C. 8
- D. 8.11
Correct answer: A
Rationale: When rounding a number to the nearest tenth, you look at the digit in the hundredths place. Since 8.067 has a 6 in the hundredths place, which is equal to or greater than 5, you round the tenths place up by 1. Therefore, rounding 8.067 to the nearest tenth gives 8.07. Choice B (8.1) would be incorrect because 8.067 is closer to 8.1 than to 8, but it's not quite there. Choice C (8) is incorrect as it would be rounding down, and Choice D (8.11) is incorrect as it is rounding to the nearest hundredth, not the nearest tenth.
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