ATI TEAS 7
physics
1. Which energy transformation occurs when a guitar string vibrates to produce sound?
- A. Mechanical energy to thermal energy
- B. Kinetic energy to potential energy
- C. Electrical energy to sound energy
- D. Potential energy to kinetic energy
Correct answer: c
Rationale: The electrical energy in the guitar's amplifier is converted into sound energy when the string vibrates.
2. Kidney stones are formed when:
- A. Excess water is not reabsorbed
- B. Minerals crystallize in the urine
- C. Electrolytes become too concentrated
- D. All of the above
Correct answer: B
Rationale: The correct answer is B: "Minerals crystallize in the urine." Kidney stones are formed when minerals in the urine combine and crystallize, forming solid masses. This process can occur due to various factors, such as high levels of calcium, oxalate, or uric acid in the urine. Options A and C are not directly related to the formation of kidney stones. Option D is incorrect because not all the statements are true; only minerals crystallizing in the urine lead to kidney stone formation.
3. Which sentence uses the passive voice correctly?
- A. The letter was written by Mary.
- B. John built the house.
- C. She gave the flowers to him.
- D. They were eating dinner.
Correct answer: A
Rationale: Option a clearly identifies the object (letter) acted upon and the agent (Mary) performing the action in the passive voice.
4. Which of the following is NOT a function of the nervous system?
- A. Detecting touch
- B. Regulating body temperature
- C. Producing insulin
- D. Controlling muscle movement
Correct answer: C
Rationale: The correct answer is C: 'Producing insulin.' The nervous system is responsible for detecting touch (option A), regulating body temperature (option B), and controlling muscle movement (option D). Insulin production is actually regulated by the endocrine system, specifically the pancreas. Insulin helps regulate blood sugar levels, which is not a function of the nervous system. It is important to differentiate between the roles of the nervous system and the endocrine system in maintaining bodily functions.
5. The largest level of ecological organization is a:
- A. Population
- B. Community
- C. Ecosystem
- D. Biome
Correct answer: D
Rationale: Rationale: A) Population: A population consists of individuals of the same species living in the same area. It is a smaller level of ecological organization compared to a biome. B) Community: A community consists of populations of different species living and interacting in the same area. It is a larger level of organization than a population but smaller than an ecosystem or biome. C) Ecosystem: An ecosystem includes all living organisms (biotic factors) and their physical environment (abiotic factors) interacting in a particular area. It is a larger level of organization than a community but smaller than a biome. D) Biome: A biome is the largest level of ecological organization and encompasses a large geographic area characterized by a specific climate, vegetation, and animal life. Biomes can be found on multiple continents and are defined by similar abiotic and biotic factors.
6. Which of the following is NOT a function of the cardiovascular system?
- A. Transporting oxygen to cells
- B. Maintaining blood pressure
- C. Carrying waste products to the kidneys for removal
- D. Initiating the immune response
Correct answer: D
Rationale: The cardiovascular system is responsible for transporting oxygen to cells (option A), maintaining blood pressure (option B), and carrying waste products to the kidneys for removal (option C). However, initiating the immune response (option D) is not a function of the cardiovascular system. The immune response is primarily carried out by the immune system, which includes organs like the spleen and lymph nodes. While the cardiovascular system does play a role in immune function by transporting immune cells and antibodies, it is not responsible for initiating the immune response. Therefore, option D is the correct answer.
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