ATI TEAS 7
Chemistry
1. When an atom gains or loses electrons, it becomes a(n):
- A. Molecule
- B. Isotope
- C. Ion
- D. Compound
Correct answer: C
Rationale: Gaining or losing electrons alters the atom's electron count and charge, creating a positively or negatively charged ion.
2. Biodiversity is important for healthy ecosystems because it:
- A. Increases competition for resources
- B. Provides stability and resilience to disturbances
- C. Slows down nutrient cycling
- D. Reduces the number of decomposers
Correct answer: B
Rationale: Rationale: Biodiversity refers to the variety of living organisms in a particular area. A diverse ecosystem is better able to withstand and recover from disturbances such as natural disasters, climate change, or human impacts. This is because different species play unique roles in the ecosystem, and a higher level of biodiversity means there are more species available to fulfill these roles. For example, if one species is negatively affected by a disturbance, other species may be able to compensate for its loss, maintaining the overall functioning of the ecosystem. Therefore, biodiversity provides stability and resilience to disturbances, making ecosystems healthier and more sustainable.
3. She conducts a 6-month performance review session with a staff member. Which of the
- A. She asks another nurse to attest the session as a witness.
- B. She informs the staff that she may ask another nurse to read the appraisal before the session is
- C. She tells the staff that the session is manager-centered.
- D. The session is private between the two members.
Correct answer: C
Rationale: Option C is the correct answer because telling the staff that the session is manager-centered indicates that the focus will be on the manager's evaluation and feedback rather than promoting a collaborative and transparent review process. This approach can lead to a one-sided assessment and may not foster open communication or growth opportunities for the staff member. Options A and B involve bringing in another nurse, which could potentially compromise the privacy and effectiveness of the performance review. Option D, stating that the session is private between the two members, does not address the issue of the session being manager-centered. Therefore, option C is the most appropriate choice to highlight the importance of a balanced and inclusive performance review process.
4. The athlete ran the race in record time. Which word is the present participle of the verb "run"?
- A. ran
- B. runs
- C. running
- D. runner
Correct answer: C
Rationale: The present participle form of a verb describes an ongoing action.
5. She finds out that some managers have benevolent-authoritative style of management. Which
- A. Have condescending trust and confidence in their subordinates
- B. Gives economic or ego awards
- C. Communicates downward to the staff
- D. Allows decision making among subordinates
Correct answer: D
Rationale: The correct answer is D because the benevolent-authoritative style of management involves allowing decision-making among subordinates. This style combines a caring attitude towards employees with a level of authority and control. Managers who adopt this style often empower their subordinates to make decisions within a set framework, fostering a sense of autonomy and responsibility among the team. Options A, B, and C do not accurately describe the characteristics of a benevolent-authoritative management style, making them incorrect choices for this question.
6. How does the amplitude of a wave relate to its intensity or loudness?
- A. They are inversely proportional.
- B. They are directly proportional.
- C. They have no relationship.
- D. Amplitude affects frequency, not intensity.
Correct answer: B
Rationale: Higher amplitude corresponds to larger displacement from equilibrium and translates to higher intensity or perceived loudness in sound waves.
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