ATI TEAS 7
physics
1. What is the law of conservation of energy?
- A. Energy cannot be created, only destroyed
- B. Energy can be created but not destroyed
- C. Energy can neither be created nor destroyed, only transformed from one form to another
- D. Energy is always created in any process
Correct answer:
Rationale: According to the law of conservation of energy, the total energy in a closed system remains constant; it can change forms but cannot be created or destroyed.
2. What is the unit of force in the SI system?
- A. Newton (N)
- B. Kilogram (kg)
- C. Meter (m)
- D. Second (s)
Correct answer: A
Rationale: Force is measured in Newtons, named after Isaac Newton who formulated the laws of motion.
3. Deficiency in which vitamin can lead to a condition called pernicious anemia, affecting vitamin B12 absorption in the digestive system?
- A. Vitamin A
- B. Vitamin B12 (cobalamin)
- C. Vitamin D
- D. Vitamin E
Correct answer: B
Rationale: The correct answer is B: Vitamin B12 (cobalamin). Pernicious anemia is a condition caused by a deficiency in vitamin B12, which is essential for the production of red blood cells and for the proper functioning of the nervous system. This vitamin is primarily absorbed in the digestive system, particularly in the ileum of the small intestine. In pernicious anemia, there is a lack of intrinsic factor, a protein produced by the stomach, which is necessary for the absorption of vitamin B12. Deficiencies in other vitamins like Vitamin A, Vitamin D, or Vitamin E do not directly lead to pernicious anemia. Therefore, the correct answer is Vitamin B12.
4. What can be inferred about the data collected by smart cities?
- A. It is easily accessible and transparent to the public.
- B. It is solely used for optimizing infrastructure and services.
- C. It may raise privacy concerns for individual citizens.
- D. It is always accurate and free from technical errors.
Correct answer: C
Rationale: The passage specifically mentions concerns about data privacy, implying potential issues for individuals.
5. What is the best way to revise the sentence: "Her eyes glistened with tears in the moonlight"?
- A. Her eyes glistened in the moonlight, with tears.
- B. Tears glistened in her eyes with moonlight.
- C. Her eyes, in the moonlight, glistened with tears.
- D. Tears made her eyes glisten in the moonlight.
Correct answer: C
Rationale: Option C rearranges the elements for smoother flow and emphasis on the tears.
6. Which phenomenon explains the formation of rainbows in the sky?
- A. Diffraction
- B. Interference
- C. Refraction and dispersion of sunlight by water droplets.
- D. Reflection from clouds
Correct answer: C
Rationale: Refraction and dispersion of sunlight by water droplets in the atmosphere separate white light into its constituent colors, creating the rainbow phenomenon.
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