ATI TEAS 7
Chemistry
1. What is the common name for the organic compound CH₃OH?
- A. Methane
- B. Ethanol
- C. Methanol
- D. Butanol
Correct answer: C
Rationale: CH₃OH is commonly known as methanol. The other choices represent different organic compounds.
2. What property of a substance refers to its ability to undergo a chemical change and form new substances with different properties?
- A. Density
- B. Mass
- C. Reactivity
- D. Volume
Correct answer: c
Rationale: Reactivity refers to a substance's ability to undergo a chemical change or reaction, forming new substances with different properties.
3. A garden bed has a side length of 8 meters. What is its perimeter?
- A. 16m
- B. 24m
- C. 32m
- D. 64m
Correct answer: C
Rationale: : Since all sides are equal, multiply the side length by 4: perimeter = 4 * side length = 4 * 8m = 32m.
4. Which word is misspelled?
- A. accommodate
- B. acquiesce
- C. circumstance
- D. indelible
Correct answer: D
Rationale: "Indelible" is spelled correctly, while "circumstance" should be "circumstance."
5. According to Newton's third law of motion, for every action, there is an equal and opposite ___________.
- A. Reaction
- B. Force
- C. Acceleration
- D. Momentum
Correct answer: a
Rationale: Newton's third law states that for every force or action, there is an equal and opposite reaction.
6. What is the process of breaking down and rebuilding bone tissue called?
- A. Ossification
- B. Remodeling
- C. Calcification
- D. Osteoporosis
Correct answer: B
Rationale: The correct answer is B: Remodeling. Remodeling is the process of breaking down and rebuilding bone tissue. This process helps maintain bone strength and structure by replacing old or damaged bone with new bone. Ossification refers to the formation of bone tissue, not the breakdown and rebuilding process. Calcification is the deposition of calcium salts in tissues, not specifically related to bone tissue remodeling. Osteoporosis is a condition characterized by a decrease in bone density, but it is not the process of breaking down and rebuilding bone tissue.
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