ATI TEAS 7
physics
1. Which law of motion explains the behavior of rockets in space?
- A. Newton's First Law
- B. Newton's Second Law
- C. Newton's Third Law
- D. None of the above
Correct answer: c
Rationale: Newton's Third Law of motion explains that for every action, there is an equal and opposite reaction, which propels rockets in space.
2. Dietary fiber, although not fully digested by the body, plays a crucial role in digestion. What is one of the main benefits of consuming sufficient dietary fiber?
- A. Provides a concentrated source of energy
- B. Aids in the absorption of vitamins and minerals
- C. Promotes satiety and gut health
- D. Breaks down complex carbohydrates
Correct answer: C
Rationale: Consuming sufficient dietary fiber promotes satiety and gut health. Fiber adds bulk to the diet, which helps you feel full and satisfied after meals, reducing overeating. Additionally, fiber helps regulate bowel movements by promoting healthy digestion and preventing constipation. It also feeds beneficial gut bacteria, supporting a healthy gut microbiome. While fiber does not provide energy like carbohydrates, it is essential for overall digestive health and can help prevent various chronic diseases.
3. What is the process of cells becoming specialized to perform specific functions called?
- A. Cell division
- B. Cell differentiation
- C. Cell growth
- D. Cell regeneration
Correct answer: B
Rationale: Rationale: A) Cell division refers to the process by which a parent cell divides into two or more daughter cells. B) Cell differentiation is the process by which cells become specialized to perform specific functions. During differentiation, cells acquire specific structures and functions that allow them to carry out particular roles in the body. C) Cell growth is the process by which cells increase in size and number. D) Cell regeneration is the process by which new cells are produced to replace damaged or lost cells in an organism. In this context, the process of cells becoming specialized to perform specific functions is best described as cell differentiation.
4. Which of the following phrases is grammatically correct and uses parallel structure?
- A. He enjoys reading, writing, and to play sports.
- B. Walking, swimming, and cooking are his favorite hobbies.
- C. He likes to read, write, and playing sports.
- D. Singing, dancing, and to travel are his passions.
Correct answer: B
Rationale: Option B uses the gerund (-ing) form for all three hobbies, achieving parallel structure.
5. When a muscle shortens and generates force, this is called a:
- A. Contraction
- B. Relaxation
- C. Extension
- D. Atrophy
Correct answer: A
Rationale: The correct answer is A: Contraction. When a muscle shortens and generates force, it is undergoing a contraction. During a contraction, the muscle fibers are actively pulling on the tendons, causing movement at a joint. This process requires energy and coordination between muscle fibers to contract simultaneously. In contrast, relaxation (option B) is when the muscle fibers return to their resting length and stop generating force. Extension (option C) refers to the movement that increases the angle at a joint, typically involving the lengthening of muscles. Atrophy (option D) is the wasting away or decrease in size of muscle tissue due to disuse or disease, not the active shortening and force generation of a muscle during a contraction.
6. Which phrase best describes the tone of the passage?
- A. Humorous and lighthearted
- B. Suspenseful and mysterious
- C. Objective and informative
- D. Critical and judgmental
Correct answer: C
Rationale: The passage presents factual information without injecting personal opinions or emotions. A, B, and D suggest tones not present in the passage's neutral delivery.
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