ATI TEAS 7
Reading
1. The phrase "illuminates not only past events" suggests that history
- A. primarily serves as a nostalgic exercise in remembering old stories.
- B. offers valuable lessons beyond simply recalling occurrences from the past.
- C. is focused solely on factual accuracy and avoids drawing any interpretations.
- D. exists only as a static record of unchanging events with no relevance to our lives.
Correct answer: B
Rationale: The phrase highlights that history goes beyond mere chronology, offering valuable insights and lessons beyond the dates and facts.
2. Which structure in the heart is responsible for preventing the backflow of blood from the left ventricle into the left atrium?
- A. Aortic valve
- B. Pulmonary valve
- C. Tricuspid valve
- D. Mitral valve
Correct answer: D
Rationale: The correct answer is D, the Mitral valve. The Mitral valve, also known as the bicuspid valve, is located between the left atrium and left ventricle in the heart. It consists of two cusps that close tightly when the left ventricle contracts, preventing the backflow of blood into the left atrium. The aortic valve (option A) is responsible for preventing the backflow of blood from the aorta into the left ventricle, not the left atrium. The pulmonary valve (option B) prevents backflow from the pulmonary artery into the right ventricle, and the tricuspid valve (option C) prevents backflow from the right ventricle into the right atrium. Therefore, the Mitral valve is specifically responsible for preventing backflow from the left ventricle into the left atrium.
3. The energy released during a chemical reaction is called:
- A. Kinetic energy
- B. Potential energy
- C. Heat energy
- D. Exothermic energy
Correct answer: D
Rationale: Exothermic means "outward heat," indicating energy is released during the reaction.
4. The element with the atomic number 17 is:
- A. Chlorine (Cl)
- B. Nitrogen (N)
- C. Sodium (Na)
- D. Fluorine (F)
Correct answer: A
Rationale: Chlorine (Cl) - Chlorine has 17 protons, corresponding to atomic number 17.
5. A new invention claims to solve the energy crisis. What criteria should you use to evaluate this claim?
- A. The inventor's qualifications and credentials.
- B. The technology's cost-effectiveness and affordability.
- C. Evidence of independent testing and scientific validation.
- D. Testimonials from celebrities and public figures.
Correct answer: C
Rationale: When evaluating a claim about solving the energy crisis, it is crucial to look for evidence of independent testing and scientific validation. This ensures that the technology has been rigorously assessed and verified by experts in the field, providing credibility to the invention's effectiveness. Testimonials from celebrities and public figures (option D) may not provide reliable information about the technology's actual capabilities. The inventor's qualifications and credentials (option A) are important but do not guarantee the technology's success. Cost-effectiveness and affordability (option B) are significant factors but should be considered alongside scientific validation to assess the overall impact and feasibility of the invention.
6. What type of energy is stored in food?
- A. Mechanical energy
- B. Kinetic energy
- C. Chemical potential energy
- D. Thermal energy
Correct answer: c
Rationale: Food stores energy in the form of chemical potential energy, which can be released during metabolic processes.
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