ATI TEAS 7
physics
1. Which of the following is a unit of work and energy?
- A. Pascal (Pa)
- B. Kilowatt-hour (kWh)
- C. Coulomb (C)
- D. Tesla (T)
Correct answer: b
Rationale: Kilowatt-hour is a unit used to measure both work and energy, especially in the context of electricity consumption.
2. What type of nutrients require minimal digestion before absorption?
- A. Carbohydrates
- B. Proteins
- C. Fats
- D. Vitamins
Correct answer: D
Rationale: Rationale: A) Carbohydrates: Carbohydrates require digestion by enzymes in the mouth, stomach, and small intestine before they can be broken down into simple sugars for absorption. B) Proteins: Proteins need to be broken down into amino acids by stomach acid and digestive enzymes in the stomach and small intestine before they can be absorbed. C) Fats: Fats require bile from the gallbladder to emulsify them into smaller droplets for enzymes to break them down into fatty acids and glycerol for absorption. D) Vitamins: Vitamins are organic compounds that are already in a form that can be readily absorbed by the body without extensive digestion. They are absorbed directly into the bloodstream from the small intestine and do not require significant breakdown before absorption.
3. What is the relationship between genetic drift and the founder effect?
- A. Founder effect is a cause of genetic drift within a small population
- B. Genetic drift is a cause of the founder effect in new populations
- C. They are the same phenomenon with different names
- D. They are unrelated concepts.
Correct answer: A
Rationale: Rationale: - The founder effect is a specific type of genetic drift that occurs when a small group of individuals establishes a new population, leading to a loss of genetic variation. - Genetic drift, on the other hand, is a broader concept that refers to random changes in allele frequencies in a population over time due to chance events. - Therefore, the founder effect is a specific scenario within the broader concept of genetic drift, where the establishment of a new population by a small number of individuals leads to genetic changes in the population.
4. As a manager, she focuses her energy on both the quality of services rendered to the patients
- A. Country club management
- B. Organization man management
- C. Team management
- D. Authority-obedience management
Correct answer: B
Rationale: The correct answer is 'B: Organization man management.' This type of management focuses on maintaining the efficiency and structure of an organization. In this scenario, the manager's emphasis on the quality of services aligns with the principles of organization man management, which prioritizes the coordination of tasks and resources to achieve optimal results within the organization. This contrasts with 'Country club management,' which emphasizes employee satisfaction over task accomplishment; 'Team management,' which focuses on collaboration and teamwork; and 'Authority-obedience management,' which centers on strict hierarchical control. Therefore, the most appropriate choice is 'B: Organization man management.'
5. What is the term for the process of exchanging gases (oxygen and carbon dioxide) between the blood and the tissues?
- A. Inhalation
- B. Exhalation
- C. External respiration
- D. Internal respiration
Correct answer: D
Rationale: The correct answer is D: 'Internal respiration.' Internal respiration refers to the process where oxygen is exchanged for carbon dioxide between the blood and the body tissues at the cellular level. Inhalation (A) and exhalation (B) pertain to the movement of air into and out of the lungs. External respiration (C) involves the exchange of gases between the lungs and the bloodstream. Understanding internal respiration is crucial as it directly impacts the body's ability to supply oxygen to tissues and remove carbon dioxide, which is essential for cellular function and overall health.
6. Look at the following electron configuration: 1s2 2s2 2p6 3s2 3p6. To which group and period does this element belong?
- A. Group 16, Period 3
- B. Group 14, Period 3
- C. Group 18, Period 3
- D. Group 17, Period 2
Correct answer: C
Rationale: ) Group 18, Period 3. Count the total electrons (2 + 2 + 6 + 2 + 6 = 18) and observe the completely filled energy levels. This points to a noble gas in Group 18 (Neon) during Period 3.
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