ATI TEAS 7
Chemistry
1. Which element is used in fertilizers due to its role in plant cell division and growth?
- A. Potassium
- B. Phosphorus
- C. Calcium
- D. Magnesium
Correct answer: B
Rationale: Phosphorus is crucial for cell division and metabolism, making it essential for plant growth and development.
2. The theory of evolution by natural selection suggests that:
- A. Organisms evolve towards perfection
- B. Traits are acquired through use and disuse
- C. Individuals with favorable traits survive and reproduce more
- D. All of the above
Correct answer: C
Rationale: Rationale: A) Organisms evolve towards perfection - This statement is incorrect. Evolution by natural selection does not suggest that organisms evolve towards perfection. Instead, it emphasizes the adaptation of organisms to their environment over time. B) Traits are acquired through use and disuse - This statement reflects Lamarck's theory of evolution, not Darwin's theory of evolution by natural selection. Lamarck proposed that organisms could acquire traits during their lifetime and pass them on to their offspring, which has been largely discredited. C) Individuals with favorable traits survive and reproduce more - This statement accurately reflects the central concept of Darwin's theory of evolution by natural selection. Individuals with traits that are advantageous in their environment are more likely to survive and reproduce, passing on those traits to future generations. D) All of the above - This option is incorrect because not all of the statements are true. Only option C a
3. Aubrey thinks about primary nursing as a system to deliver care. Which of the following
- A. Collaborates with the physician
- B. Provides care to a group of patients together with a group of nurses
- C. Provides care for 5-6 patients during their hospital stay.
- D. Performs comprehensive initial assessment
Correct answer: D
Rationale: Primary nursing is a care delivery system where one nurse is responsible for the total nursing care needs of a group of patients throughout their hospital stay. This includes performing comprehensive initial assessments, developing care plans, coordinating with other healthcare team members, and providing direct patient care. Option D is the correct answer as it aligns with the core principles of primary nursing, emphasizing the nurse's role in conducting thorough assessments to ensure individualized and holistic care for each patient in their caseload. Options A, B, and C do not accurately reflect the key components of primary nursing, making them incorrect choices.
4. Which phrase best describes the tone of the following sentence: "He slammed his fist on the table, his voice booming with anger."
- A. Playful
- B. Formal
- C. Agitated
- D. Melancholy
Correct answer: C
Rationale: The verbs and descriptive language convey strong emotions and agitation.
5. He asserts the importance of promoting a positive organizational culture in their unit. Which
- A. Proactive and caring with one another
- B. Competitive and perfectionist
- C. Powerful and oppositional
- D. Obedient and uncomplaining
Correct answer: A
Rationale: The correct answer is A: 'Proactive and caring with one another.' When promoting a positive organizational culture, it is essential to foster a supportive environment where individuals are proactive in their approach and demonstrate care towards one another. This type of culture encourages collaboration, open communication, and empathy among team members, leading to higher levels of job satisfaction and overall performance. Being competitive and perfectionist (option B) can create a stressful and unhealthy work environment, while being powerful and oppositional (option C) or obedient and uncomplaining (option D) can stifle creativity and innovation. Therefore, the most suitable traits for promoting a positive organizational culture are being proactive and caring with one another.
6. Which macromolecule serves as the repository of genetic information in all living organisms?
- A. Ribonucleic acid (RNA)
- B. Deoxyribonucleic acid (DNA)
- C. Protein
- D. Carbohydrate
Correct answer: B
Rationale: Rationale: - DNA is the macromolecule that serves as the repository of genetic information in all living organisms. It carries the genetic instructions necessary for the growth, development, functioning, and reproduction of organisms. - RNA (option A) is involved in various cellular processes, including protein synthesis, but DNA is the primary molecule responsible for storing genetic information. - Proteins (option C) are essential for various cellular functions but do not serve as the primary repository of genetic information. - Carbohydrates (option D) are important for energy storage and structural support but do not store genetic information.
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