ATI TEAS 7
Reading
1. The final sentence suggests that users should approach social media with a healthy dose of
- A. Enthusiasm and optimism about its potential for connection and engagement.
- B. Skepticism and critical thinking towards the information encountered online.
- C. Acceptance of its flaws and a passive reliance on its features for interaction.
- D. Indifference towards its impacts and an absence of any effort to manage its use.
Correct answer: B
Rationale: The emphasis on "critical thinking" and "skepticism" suggests the importance of approaching social media with a cautious and discerning mind, aligning with B
2. A rocket blasts off from Earth. What is the main force propelling the rocket upwards?
- A. Gravitational force
- B. Air resistance
- C. Thrust from the rocket engine
- D. Normal force from the launchpad
Correct answer: C
Rationale: Thrust from the rocket engine. This force is produced by the action-reaction principle and pushes the rocket upwards against the exhaust gases.
3. The process of a gas changing into a liquid is called:
- A. Evaporation
- B. Boiling
- C. Condensation
- D. Sublimation
Correct answer: C
Rationale: Condensation happens when gas particles lose energy and slow down, transitioning into the liquid state.
4. The process by which one element changes into another through radioactive decay is known as:
- A. Transmutation
- B. Fission
- C. Fusion
- D. Oxidation
Correct answer: A
Rationale: Transmutation - Radioactive decay alters the atomic structure, changing the element's identity (transmutation).
5. 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.
6. Calcitonin, a hormone that helps regulate calcium levels, is produced by the:
- A. Thyroid gland
- B. Parathyroid gland
- C. Thymus gland
- D. Adrenal gland
Correct answer: A
Rationale: The correct answer is A: "Thyroid gland." Calcitonin is a hormone produced by the thyroid gland that helps regulate calcium levels in the body. It works in opposition to parathyroid hormone, which is produced by the parathyroid gland. The thymus gland is responsible for immune function, while the adrenal gland produces hormones like cortisol and adrenaline. Therefore, the thyroid gland is the specific gland responsible for producing calcitonin to regulate calcium levels in the body.
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