ATI TEAS 7
TEAS Test 7 science
1. What happens to the density of a substance if its mass increases while its volume remains constant?
- A. Density increases
- B. Density decreases
- C. Density remains constant
- D. Density becomes zero
Correct answer: A
Rationale: When the mass of a substance increases while its volume remains constant, the density, which is calculated by dividing mass by volume, will increase. This is because with a higher mass and the volume staying the same, the ratio of mass to volume (density) will be greater, resulting in an overall increase in density. Choice B, 'Density decreases,' is incorrect because an increase in mass with constant volume leads to a higher density. Choice C, 'Density remains constant,' is incorrect as an increase in mass will cause the density to increase. Choice D, 'Density becomes zero,' is incorrect because even with an increase in mass, as long as volume remains constant, density will not reach zero; it will increase instead.
2. Which of the following conclusions is supported by all the details provided about Eleanor Roosevelt's activities during the war in the Pacific?
- A. Eleanor Roosevelt was a dedicated and compassionate individual.
- B. Eleanor Roosevelt was a skilled military strategist.
- C. Eleanor Roosevelt was the commander of the troops in the Pacific.
- D. Eleanor Roosevelt was a professional athlete.
Correct answer: A
Rationale: The exhaustive description of Eleanor Roosevelt's activities during the war in the Pacific showcases her dedication and compassion towards the troops and wounded. She tirelessly visited multiple Islands, inspected hospitals, delivered speeches, attended receptions, and interacted with convalescing officers and patients. Her efforts to lift spirits, boost morale, and personally connect with the wounded illustrate her as a dedicated and compassionate individual. The other choices are incorrect as there is no mention of her being a military strategist, a commander of troops, or a professional athlete in the provided details.
3. A student gets an 85% on a test with 20 questions. How many answers did the student solve correctly?
- A. 15
- B. 16
- C. 17
- D. 18
Correct answer: C
Rationale: To determine the number of questions the student solved correctly, we need to calculate 85% of the total number of questions. This can be done by multiplying the total number of questions by 85%, which is 20 questions x 85% = 20 x 0.85 = 17 questions. Therefore, the student solved 17 questions correctly. Choice A, 15, is incorrect as it does not reflect the correct percentage of questions solved. Choice B, 16, and Choice D, 18, are also incorrect as they do not match the calculation based on the given percentage.
4. Which represents the correct order of airflow in the lungs?
- A. Bronchi, trachea, alveoli, bronchioles
- B. Alveoli, bronchioles, bronchi, trachea
- C. Trachea, bronchi, bronchioles, alveoli
- D. Bronchioles, alveoli, trachea, bronchi
Correct answer: C
Rationale: The correct order of airflow in the lungs starts with air entering through the trachea, moving into the bronchi, then proceeding to the bronchioles, and finally reaching the alveoli where gas exchange occurs. Therefore, the correct sequence is Trachea, Bronchi, Bronchioles, Alveoli, making choice C the accurate representation of the airflow in the lungs. Choices A, B, and D are incorrect because they do not follow the anatomical path of airflow in the lungs as air moves from the trachea to the bronchi, then bronchioles, and finally the alveoli for gas exchange.
5. What is the term for the process of bone formation and breakdown?
- A. Ossification
- B. Resorption
- C. Remodeling
- D. All of the above
Correct answer: C
Rationale: The correct term for the process of bone formation and breakdown is remodeling. Ossification specifically refers to bone formation, while resorption pertains to bone breakdown. Remodeling encompasses both processes, as it involves the continuous cycle of bone formation and resorption to maintain bone strength and structure. Choice A, 'Ossification,' is incorrect as it only refers to bone formation. Choice B, 'Resorption,' is incorrect as it only refers to bone breakdown. Choice D, 'All of the above,' is incorrect as it includes terms that are not comprehensive of both bone formation and breakdown.
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