ATI TEAS 7
Anatomy
1. Which of the following is NOT typically found in healthy urine?
- A. Urea
- B. Glucose
- C. Creatinine
- D. Electrolytes
Correct answer: B
Rationale: Glucose is NOT typically found in healthy urine because the kidneys filter glucose from the blood, and any excess is excreted in the urine. In healthy individuals, the renal threshold for glucose reabsorption is low, so glucose should not be present in significant amounts in urine. On the other hand, urea, creatinine, and electrolytes are all normal components of urine. Urea is a waste product of protein metabolism, creatinine is a waste product of muscle metabolism, and electrolytes like sodium and potassium are essential for various bodily functions and are excreted in urine. Therefore, option B is the correct answer as glucose is not typically found in healthy urine.
2. Which law of motion states that for every action, there is an equal and opposite reaction?
- A. Newton's First Law
- B. Newton's Second Law
- C. Newton's Third Law
- D. Law of Universal Gravitation
Correct answer: c
Rationale: Newton's Third Law states the action-reaction principle.
3. A guitar string vibrates at a fundamental frequency of 440 Hz. What is the frequency of the second harmonic (first overtone)?
- A. 220 Hz
- B. 440 Hz
- C. 880 Hz
- D. 1760 Hz
Correct answer: C
Rationale: Harmonics have frequencies that are multiples of the fundamental frequency. The second harmonic has a frequency twice the fundamental, so it's 440 Hz * 2 = 880 Hz.
4. The phrase "massive open online courses" (MOOCs) refers to
- A. Online learning platforms designed specifically for students with disabilities.
- B. University-level courses freely available to anyone with an internet connection.
- C. Interactive training modules aimed at developing job-specific skills and knowledge.
- D. Online resources offering personalized learning experiences tailored to individual needs.
Correct answer: B
Rationale: MOOCs by definition are open and accessible courses, aligning with B.
5. The energy absorbed during a chemical reaction is called:
- A. Kinetic energy
- B. Potential energy
- C. Heat energy
- D. Endothermic energy
Correct answer: D
Rationale: Endothermic means "inward heat," indicating energy is absorbed during the reaction.
6. 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.
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