ATI TEAS 7
English Grammar
1. 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.
2. What is the term for a repetitive, involuntary muscle contraction that can cause pain and stiffness?
- A. Cramp
- B. Spasm
- C. Tic
- D. Fibrosis
Correct answer: B
Rationale: The correct answer is B: 'Spasm.' A spasm is a sudden, involuntary muscle contraction that can cause pain and stiffness. Cramps are a type of spasm characterized by intense, localized pain and temporary muscle tightness. Tics are repetitive, involuntary movements or vocalizations. Fibrosis refers to the formation of excess fibrous connective tissue in an organ or tissue, not related to muscle contractions. Therefore, 'spasm' best fits the description provided in the question.
3. Which phrase best describes the relationship between smart grid technologies and renewable energy integration?
- A. Competitive and incompatible, hindering each other's effectiveness.
- B. Neutral and independent, neither impacting nor relying on each other.
- C. Complementary and synergistic, enhancing each other's functionality.
- D. Substitutable and interchangeable, offering equivalent solutions.
Correct answer: C
Rationale: The passage highlights the mutually beneficial relationship between smart grids and renewables, with both working together to optimize integration.
4. What is the unit of force in the SI system?
- A. Newton (N)
- B. Kilogram (kg)
- C. Meter (m)
- D. Second (s)
Correct answer: A
Rationale: Force is measured in Newtons, named after Isaac Newton who formulated the laws of motion.
5. What is the shape of the DNA molecule?
- A. Linear
- B. Circular
- C. Double helix
- D. Straight chain
Correct answer: C
Rationale: Rationale: The shape of the DNA molecule is a double helix. This structure was first described by James Watson and Francis Crick in 1953. The double helix shape consists of two strands that are twisted around each other in a spiral. This shape allows DNA to be compactly stored within the cell nucleus and provides stability to the molecule. The other options (A) Linear, (B) Circular, and (D) Straight chain do not accurately describe the shape of the DNA molecule.
6. Entropy (S) is a thermodynamic property related to the system's disorder. According to the second law of thermodynamics, in a spontaneous process:
- A. The total entropy of the system and surroundings increases.
- B. The total entropy of the system and surroundings decreases.
- C. The total entropy of the system remains constant.
- D. The total entropy of the surroundings increases, while the system's entropy decreases.
Correct answer: A
Rationale: Entropy is a measure of a system's disorder or randomness. According to the second law of thermodynamics, in a spontaneous process, the total entropy of the system and surroundings increases, leading to a higher level of disorder or randomness. This increase in total entropy is consistent with the idea that systems tend towards higher entropy states over time. Therefore, option A is correct because it aligns with the principle that the total entropy of a closed system, including both the system and its surroundings, will increase in a spontaneous process.
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