ATI TEAS 7
Physics
1. The energy released in nuclear fusion originates from:
- A. The fission of heavy nuclei
- B. The binding energy released during the fusion of light nuclei
- C. Electronic transitions within atoms
- D. Matter-antimatter annihilation
Correct answer: B
Rationale: The correct answer is B: 'The binding energy released during the fusion of light nuclei.' Nuclear fusion is the process where light nuclei combine to form a heavier nucleus, releasing energy in the form of binding energy. This energy comes from the conversion of mass into energy as per Einstein's famous equation E=mc^2. In contrast, option A refers to nuclear fission, where heavy nuclei split into lighter nuclei, releasing energy. Option C is related to atomic energy levels, and option D involves the complete conversion of matter into energy, not specific to nuclear fusion. Therefore, the energy released in nuclear fusion originates from the binding energy released during the fusion of light nuclei.
2. Kathleen knows that one of her staff is experiencing burnout. Which of the following is the
- A. Advise her staff to go on vacation.
- B. Ignore her observations; it will be resolved even without intervention
- C. Remind her to show loyalty to the institution.
- D. Let the staff ventilate her feelings and ask how she can be of help.
Correct answer: C
Rationale: The correct answer is C: 'Remind her to show loyalty to the institution.' When an employee is experiencing burnout, it is important for the supervisor to address the issue with compassion and support. Reminding the staff member to show loyalty to the institution can help them feel valued and appreciated, which can contribute to their overall well-being. This response emphasizes the importance of fostering a positive work environment and promoting a sense of belonging. Options A and B do not address the root cause of burnout and may not effectively support the staff member. Option D, while encouraging communication, does not address the loyalty aspect which can be crucial in improving morale and reducing burnout.
3. A birdbath has a hemispherical bowl with a diameter of 30cm. What is its volume?
- A. 675 cu cm
- B. 1350 cu cm
- C. 2700 cu cm
- D. 4050 cu cm
Correct answer: C
Rationale: Use half the formula for a sphere's volume: (2/3) * À * (radius)^3. Calculate the radius (15cm) and substitute: (2/3) * À * (15cm)^3 ≈ 2700 cu cm.
4. Identify the interrogative sentence in the following options:
- A. The delicious pie disappeared quickly.
- B. What is your favorite color?
- C. Please open the window.
- D. He ran as fast as he could.
Correct answer: B
Rationale: An interrogative sentence asks a question and typically ends with a question mark.
5. What is the scientific term for a broken bone?
- A. Osteoporosis
- B. Fracture
- C. Sprain
- D. Dislocation
Correct answer: B
Rationale: The correct answer is B: 'Fracture.' A fracture is the scientific term used to describe a broken bone. Osteoporosis (A) is a condition where bones become weak and brittle, increasing the risk of fractures. A sprain (C) is an injury to a ligament, not a bone. A dislocation (D) occurs when the bones in a joint are forced out of their normal position, but it is not the term for a broken bone.
6. The term that refers to the specific role and position an organism occupies within an ecosystem is called a:
- A. Habitat
- B. Niche
- C. Population
- D. Biome
Correct answer: B
Rationale: Rationale: A) Habitat refers to the specific physical environment where an organism lives, including the biotic and abiotic factors present. While the habitat is important for an organism's survival, it does not encompass the specific role and interactions of the organism within the ecosystem. B) Niche refers to the specific role and position an organism occupies within an ecosystem, including its interactions with other organisms and its physical environment. This includes the organism's feeding habits, behavior, preferred habitat, and how it obtains resources. The niche of an organism is crucial in determining its impact on the ecosystem and its relationships with other species. C) Population refers to a group of individuals of the same species living in a specific area and interacting with each other. While populations play a role in ecosystems, they do not specifically describe the role and position of an individual organism within the ecosystem. D) Biome refers to a large geog
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