ATI TEAS 7
Physics
1. A car is moving in a circle at constant speed. Which of the following is NOT true about its motion?
- A. It has a constant centripetal acceleration
- B. It has a constant tangential velocity
- C. It experiences a force directed towards the center of the circle
- D. It covers the same distance in equal time intervals along its circular path
Correct answer: B
Rationale: In circular motion at a constant speed, the car has a constant centripetal acceleration (choice A), experiences a force directed towards the center of the circle (choice C), and covers the same distance in equal time intervals along its circular path (choice D). However, the tangential velocity of an object in circular motion at a constant speed changes continuously as it moves around the circle, so it is not constant (choice B).
2. What is the mass number of an element?
- A. The number of protons in an atom's nucleus.
- B. The number of neutrons in an atom's nucleus.
- C. The number of electrons in an atom's valence shell.
- D. The number of isotopes of an element.
Correct answer: B
Rationale: The mass number of an element is the total number of protons and neutrons in the nucleus of an atom. It is represented by the symbol A and is written as a superscript to the element's symbol. For example, the mass number of carbon-12 is 12, which means that a carbon-12 atom has 6 protons and 6 neutrons in its nucleus.
3. Which structure in the respiratory system serves as the "windpipe" that conducts air from the larynx to the bronchi?
- A. Trachea
- B. Larynx
- C. Bronchi
- D. Alveoli
Correct answer: A
Rationale: The correct answer is A: Trachea. The trachea, also known as the windpipe, is a tube-like structure in the respiratory system that connects the larynx to the bronchi. It serves as the main airway for the passage of air into and out of the lungs. The larynx is commonly known as the voice box and is responsible for producing sound. The bronchi are the two branches that stem from the trachea and lead to the lungs, where they further divide into smaller airways. The alveoli are tiny air sacs in the lungs where gas exchange occurs. Therefore, the trachea is the correct answer as it directly conducts air from the larynx to the bronchi.
4. Which of the following is NOT a characteristic of living organisms?
- A. Made up of cells
- B. Able to reproduce
- C. Require energy
- D. Non-motile
Correct answer: D
Rationale: Rationale: A) Made up of cells: All living organisms are composed of one or more cells. This is a fundamental characteristic of life as defined by cell theory. B) Able to reproduce: One of the key characteristics of living organisms is their ability to reproduce and pass on genetic information to offspring. C) Require energy: Living organisms require energy to carry out various life processes such as growth, reproduction, and maintenance of homeostasis. This energy is obtained through processes like metabolism. D) Non-motile: While some living organisms may be non-motile (unable to move on their own), movement is a common characteristic of many living organisms. Motility allows organisms to respond to their environment, find food, escape predators, and carry out other essential activities.
5. Identify the direct object in the following sentence: "She baked a delicious cake for the party."
- A. for the party
- B. delicious
- C. cake
- D. baked
Correct answer: C
Rationale: The direct object receives the action of the verb.
6. According to the passage, learning from history can help us
- A. predict future events with complete certainty.
- B. avoid any possibility of making mistakes in the present.
- C. identify potential challenges and develop innovative solutions.
- D. directly replicate the successes of past societies in our own time.
Correct answer: C
Rationale: The passage emphasizes learning from both successes and failures, identifying potential obstacles, and using historical knowledge to create solutions for current problems.
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