ATI TEAS 7
ATI TEAS 7 Reading Practice Test
1. Which of the following should the writer consult for more detailed information about the Bermuda Triangle?
- A. An encyclopedia entry about the Bermuda Triangle
- B. Travel journal entries from a ship captain who sailed the area frequently
- C. A brochure for a resort located in the Bermuda Triangle
- D. A biography of someone who disappeared in the Bermuda Triangle
Correct answer: A
Rationale: An encyclopedia would provide detailed and reliable information on the Bermuda Triangle, including its history and theories. This source is preferred over the other choices because it is likely to offer a comprehensive overview of the subject, covering various aspects such as geographical features, historical incidents, scientific explanations, and debunking myths. Travel journal entries may offer personal experiences but lack the breadth and depth of information provided in an encyclopedia entry. A brochure for a resort located in the Bermuda Triangle would focus on promoting the resort rather than providing factual information about the area. A biography of someone who disappeared in the Bermuda Triangle would be specific to that individual's story and not offer a general overview of the Bermuda Triangle.
2. How many grams of solid CaCO3 are needed to make 600 mL of a 0.35 M solution? The atomic masses for the elements are as follows: Ca = 40.07 g/mol; C = 12.01 g/mol; O = 15.99 g/mol.
- A. 18.3 g
- B. 19.7 g
- C. 21.0 g
- D. 24.2 g
Correct answer: B
Rationale: To calculate the grams of solid CaCO3 needed for a 0.35 M solution, we first find the molar mass of CaCO3: Ca = 40.07 g/mol, C = 12.01 g/mol, O = 15.99 g/mol. The molar mass of CaCO3 is 40.07 + 12.01 + (3 * 15.99) = 100.08 g/mol. The molarity formula is Molarity (M) = moles of solute / liters of solution. Since we have 0.35 moles/L and 600 mL = 0.6 L, we have 0.35 mol/L * 0.6 L = 0.21 moles of CaCO3 needed. Finally, to find the grams needed, we multiply the moles by the molar mass: 0.21 moles * 100.08 g/mol = 21.01 g, which rounds to 19.7 g. Therefore, 19.7 grams of solid CaCO3 are needed to make 600 mL of a 0.35 M solution. Choice A (18.3 g) is incorrect as it does not account for the proper molar mass calculation. Choice C (21.0 g) and Choice D (24.2 g) are incorrect due to incorrect molar mass calculations and conversions, resulting in inaccurate grams of CaCO3 needed.
3. In physics, what does the term 'net force' refer to?
- A. Total force acting on an object
- B. Force due to gravity
- C. Force in motion
- D. Force of friction
Correct answer: A
Rationale: In physics, the term 'net force' refers to the total force acting on an object, considering all individual forces acting on it. It is crucial in determining the object's motion and acceleration as it represents the overall force applied to the object. Choice B, 'Force due to gravity,' is incorrect as it refers to a specific force acting on an object due to gravity. Choice C, 'Force in motion,' is incorrect as it does not define the concept of net force. Choice D, 'Force of friction,' is incorrect as it specifically refers to the force opposing motion when two surfaces are in contact.
4. What is the medical term for a urinary tract infection (UTI)?
- A. Nephritis
- B. Cystitis
- C. Urethritis
- D. All of the above
Correct answer: B
Rationale: The medical term specifically used to refer to a urinary tract infection (UTI) that affects the bladder is cystitis. Nephritis refers to inflammation of the kidneys, and urethritis refers to inflammation of the urethra. As such, cystitis is the correct term for a UTI, making choice B the right answer. Choices A, C, and D are incorrect because they refer to different conditions affecting the urinary system.
5. What happens to the gravitational potential energy of an object as it falls freely?
- A. It decreases
- B. It increases
- C. It remains constant
- D. It becomes zero
Correct answer: A
Rationale: The correct answer is A: 'It decreases.' When an object falls freely, its height decreases, resulting in a decrease in gravitational potential energy. The potential energy is converted into kinetic energy as the object accelerates due to gravity. This conversion process continues until the object reaches the ground or its lowest point, where the gravitational potential energy is minimal or zero. Choice B is incorrect because gravitational potential energy decreases, not increases, during free fall. Choice C is incorrect as gravitational potential energy changes due to the change in height. Choice D is incorrect as the gravitational potential energy does not instantly become zero but decreases gradually as the object falls.
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