ATI TEAS 7
English Grammar
1. Which word best completes the sentence: "The scientist conducted the experiment with _____ precision."
- A. extreme
- B. great
- C. utter
- D. remarkable
Correct answer: C
Rationale: Option C emphasizes the absolute and complete accuracy of the experiment.
2. Which molecule is responsible for storing and providing a quick source of energy during short bursts of intense physical activity, such as weightlifting or sprinting?
- A. ATP (Adenosine Triphosphate)
- B. Glucose
- C. Myoglobin
- D. Lactic Acid
Correct answer: a
Rationale: The correct answer is A: ATP (Adenosine Triphosphate). ATP is known as the energy currency of the cell and is responsible for storing and providing quick energy during short bursts of intense physical activity. When muscles require immediate energy for activities like weightlifting or sprinting, ATP is broken down to release energy rapidly. Glucose is a source of energy but needs to be converted into ATP before it can be used by the muscles. Myoglobin is a protein that stores oxygen in muscle cells, not energy. Lactic Acid is produced during intense exercise but is not a direct source of quick energy like ATP.
3. Harry is a Unit Manager I the Medical Unit. He is not satisfied with the way things are going
- A. Call for a staff meeting and take this up in the agenda.
- B. Seek help from her manager.
- C. Develop a strategic action on how to deal with these concerns.
- D. Ignore the issues since these will be resolved naturally.
Correct answer: A
Rationale: Choosing option A, 'Call for a staff meeting and take this up in the agenda,' is the best course of action for Harry as a Unit Manager. By calling for a staff meeting, Harry can openly address his concerns with the team, gather input from team members, and work collaboratively to find solutions. This approach promotes transparency, communication, and teamwork, which are essential in resolving issues within a unit. Seeking help from his manager, as suggested in option B, may be necessary in some cases, but initiating a discussion with the staff first allows for a more inclusive problem-solving process. Developing a strategic action, as in option C, is important, but involving the team in this process through a staff meeting is crucial for buy-in and implementation. Ignoring the issues, as in option D, is never a productive approach as unresolved issues can escalate and impact team morale and performance. Therefore, option A is the most effective and proactive way for Harry to address hi
4. How does RNA polymerase differ from DNA polymerase?
- A. Both enzymes are identical in function and structure.
- B. RNA polymerase does not require a primer to initiate RNA synthesis.
- C. RNA polymerase can synthesize both RNA and DNA.
- D. RNA polymerase can only synthesize RNA, unlike DNA polymerase.
Correct answer: B
Rationale: Rationale: A) This statement is incorrect. RNA polymerase and DNA polymerase are not identical in function and structure. They have different roles in the cell. B) This statement is correct. Unlike DNA polymerase, RNA polymerase does not require a primer to initiate RNA synthesis. RNA polymerase can start the synthesis of RNA de novo. C) This statement is incorrect. RNA polymerase is specialized for synthesizing RNA, not DNA. DNA polymerase is responsible for synthesizing DNA. D) This statement is correct. RNA polymerase can only synthesize RNA, while DNA polymerase is responsible for synthesizing DNA.
5. Which neurotransmitter is associated with mood, sleep, and memory?
- A. Dopamine
- B. Serotonin
- C. Acetylcholine
- D. Glutamate
Correct answer: B
Rationale: The correct answer is B: Serotonin. Serotonin is a neurotransmitter that plays a crucial role in regulating mood, sleep, and memory. It is known as the 'feel-good' neurotransmitter because it helps to promote feelings of well-being and happiness. Serotonin also contributes to the regulation of sleep patterns and plays a role in memory and learning processes. Dopamine is associated with reward and motivation, acetylcholine with muscle movement and cognitive functions, and glutamate with learning and memory as an excitatory neurotransmitter. Therefore, of the options provided, serotonin is the neurotransmitter most closely linked to mood, sleep, and memory.
6. What happens to the potential energy of an object when it is lifted higher above the ground?
- A. Potential energy decreases
- B. Potential energy remains the same
- C. Potential energy increases
- D. Potential energy becomes zero
Correct answer: C
Rationale: When an object is lifted higher above the ground, its potential energy increases because the higher the object is lifted, the greater its potential energy due to the increased distance from the ground. This is in accordance with the formula for gravitational potential energy, which is PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height above the reference point.
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