ATI TEAS 7
Chemistry
1. Reactions requiring light energy to proceed are classified as:
- A. Combustion reactions
- B. Endothermic reactions
- C. Photochemical reactions
- D. Double displacement reactions
Correct answer: C
Rationale: The correct answer is C: "Photochemical reactions." Photochemical reactions are a type of chemical reaction that requires light energy to proceed. During a photochemical reaction, light energy is absorbed by a substance, leading to changes in its chemical structure or properties. This process is different from combustion reactions (A), which involve the rapid combination of a fuel with oxygen to release heat and light energy. Endothermic reactions (B) absorb heat energy, not light energy, to proceed. Double displacement reactions (D) involve the exchange of ions between reactants, but do not specifically require light energy to occur. Therefore, the most appropriate classification for reactions requiring light energy is photochemical reactions.
2. What is the process by which damaged muscle tissue repairs and rebuilds itself?
- A. Degeneration
- B. Regeneration
- C. Hyperplasia
- D. Metaplasia
Correct answer: B
Rationale: The correct answer is B: "Regeneration." Regeneration is the process by which damaged muscle tissue repairs and rebuilds itself by replacing the damaged cells with new, healthy cells. Degeneration refers to the deterioration of tissue, not the repair process. Hyperplasia is the increase in cell number, and metaplasia is the transformation of one cell type into another, neither of which directly relate to the repair process of damaged muscle tissue. Therefore, the most appropriate term for the described process is regeneration.
3. Which of the following is NOT a type of asexual reproduction in bacteria?
- A. Binary fission
- B. Conjugation
- C. Budding
- D. Transduction
Correct answer: D
Rationale: Rationale: A) Binary fission: This is a common method of asexual reproduction in bacteria where a single cell divides into two identical daughter cells. B) Conjugation: This is a process in which genetic material is transferred between bacterial cells through direct cell-to-cell contact, leading to genetic recombination. C) Budding: Budding is a form of asexual reproduction where a new organism develops from an outgrowth or bud on the parent organism. D) Transduction: Transduction is a method of horizontal gene transfer in bacteria where genetic material is transferred from one bacterium to another by a bacteriophage (a virus that infects bacteria). It is not a form of asexual reproduction in bacteria. Therefore, the correct answer is D) Transduction, as it is not a type of asexual reproduction in bacteria but a mechanism of genetic exchange.
4. Which additional information would be MOST relevant to the topic of the passage?
- A. A detailed history of the development of specific social media platforms.
- B. Studies on the psychological effects of prolonged social media use on teenagers.
- C. Statistics on the global economic impact of the social media industry.
- D. Technical explanations of the algorithms used by social media platforms.
Correct answer: B
Rationale: Studies on the psychological effects of social media use directly relate to the passage's concerns about mental health impacts, making it the most relevant information.
5. What type of bond forms between elements when they share electrons?
- A. Covalent bond
- B. Ionic bond
- C. Metallic bond
- D. Hydrogen bond
Correct answer: A
Rationale: In a covalent bond, atoms share electrons, creating a strong attraction that holds them together
6. St. Raphael Medical Center just opened its new Performance Improvement Department. Ms.
- A. Make an interpretation about strengths and weaknesses
- B. Identify the values of the department
- C. Identify structure, process, outcome standards & criteria
- D. Measure actual performances
Correct answer: B
Rationale: The correct answer is B: 'Identify the values of the department.' When a new department is established, it is important to define its core values, beliefs, and principles to guide its operations. This helps create a shared understanding among staff and stakeholders about the department's purpose and priorities. By identifying the values of the Performance Improvement Department at St. Raphael Medical Center, employees can align their actions with the department's mission and goals, fostering a cohesive and effective work environment. Options A, C, and D are not directly related to establishing the foundational values of a new department, making them less relevant in this context.
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