ATI TEAS 7
Chemistry
1. Which of the following functional groups is present in carboxylic acids?
- A. Carbonyl
- B. Hydroxyl
- C. Carboxyl
- D. Aldehyde
Correct answer: C
Rationale: Carboxylic acids contain the carboxyl functional group (-COOH). The other choices are associated with different functional groups.
2. Which division of the autonomic nervous system is responsible for the "rest and digest" response, promoting relaxation and conservation of energy?
- A. Sympathetic nervous system
- B. Parasympathetic nervous system
- C. Somatic nervous system
- D. Central nervous system
Correct answer: b
Rationale: The correct answer is B, the parasympathetic nervous system. This division of the autonomic nervous system is responsible for the "rest and digest" response, promoting relaxation and conservation of energy. When activated, it slows the heart rate, increases digestion, and helps the body rest and recover. The sympathetic nervous system, on the other hand, is responsible for the "fight or flight" response, preparing the body for action. The somatic nervous system controls voluntary movements, and the central nervous system consists of the brain and spinal cord, coordinating all nervous system functions.
3. Which of the following minerals is important for bone health and is stored in bones by the skeletal system?
- A. Iron
- B. Sodium
- C. Calcium
- D. Magnesium
Correct answer: C
Rationale: The correct answer is C: Calcium. Calcium is essential for maintaining strong and healthy bones. It is a key mineral stored in bones by the skeletal system, where it provides structural support and strength. Adequate calcium intake is crucial for preventing bone diseases like osteoporosis and ensuring proper bone formation and density. Iron (A), Sodium (B), and Magnesium (D) are important minerals for various bodily functions but are not primarily responsible for bone health and storage in bones by the skeletal system.
4. What is the meaning of the phrase "to be on the same page"?
- A. To be physically close
- B. To agree or understand each other
- C. To be sharing the same goal
- D. To be facing the same direction
Correct answer: B
Rationale: The phrase means to be in agreement or share the same understanding.
5. An object is moving in a circle at constant speed. Is there a net force acting on it?
- A. Yes, always
- B. No, never
- C. Only if its speed is changing
- D. Only if its direction is changing
Correct answer: A
Rationale: Even though the speed is constant, the direction is constantly changing, requiring a centripetal force to keep the object moving in a circle.
6. The author most likely included information about the Silk Road to...
- A. Introduce a famous tourist destination.
- B. Explain the architectural style of Petra.
- C. Emphasize the historical context of the city.
- D. Compare Petra to other ancient trade centers.
Correct answer: C
Rationale: The Silk Road directly impacts Petra's history and prosperity, making it relevant to the historical context
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