ATI TEAS 7
TEAS Test 7 science
1. Which of the following is NOT a part of a plant cell?
- A. Cell wall
- B. Plasma membrane
- C. Vacuole
- D. Mitochondria
Correct answer: D
Rationale: A) Cell wall: This is a structure found in plant cells that provides support and protection. B) Plasma membrane: Also known as the cell membrane, it surrounds the cell and regulates the passage of substances in and out of the cell. C) Vacuole: This is a storage organelle found in plant cells that stores water, nutrients, and waste products. D) Mitochondria: Mitochondria are membrane-bound organelles found in both plant and animal cells. They are responsible for producing energy in the form of ATP through cellular respiration. Therefore, the correct answer is D) Mitochondria, as it is a part of a plant cell.
2. What is the formula to calculate acceleration?
- A. Acceleration = Mass/Force
- B. Acceleration = Force/Mass
- C. Acceleration = Time/Distance
- D. Acceleration = Time Change in Velocity
Correct answer: D
Rationale: Acceleration is defined as the rate of change of velocity with respect to time. The correct formula to calculate acceleration is Acceleration = Time Change in Velocity. This formula specifically represents how much an object's velocity changes over a specified time period, providing a measure of the object's speed change rate. Choices A and B are incorrect as they do not represent the relationship between acceleration and time change in velocity. Choice C is incorrect as it involves time and distance, which are not directly related to acceleration.
3. A scientist wants to conduct quantitative research. Which method should they use?
- A. Collecting patient narratives.
- B. Tracking the dosage of a drug and its blood levels in the patient.
- C. Observing a patient's physical changes.
- D. Writing journal notes about the research experience.
Correct answer: B
Rationale: In quantitative research, numerical data is collected and analyzed. Choice B, tracking the dosage of a drug and its blood levels in the patient, involves collecting quantitative data, making it the correct method. Choices A, C, and D involve qualitative data such as narratives, physical observations, and journal notes, which do not align with the quantitative research method.
4. What is the ultimate end product of glucose breakdown in glycolysis?
- A. ATP
- B. NADPH
- C. Pyruvic acid
- D. Oxygen
Correct answer: C
Rationale: The ultimate end product of glucose breakdown in glycolysis is pyruvic acid. During glycolysis, glucose is broken down into pyruvic acid through a series of enzymatic reactions. ATP is produced as an energy carrier during glycolysis, but it is not the final end product. NADPH is not a direct product of glycolysis; it is mainly produced in the pentose phosphate pathway. Oxygen is not a product of glycolysis but is used as an electron acceptor in the electron transport chain of cellular respiration.
5. When conducting a research study, which of the following is NOT a good reason for using a computer?
- A. A computer can be used to store and sort large quantities of data.
- B. Computers can interface with instruments and record data efficiently.
- C. Using a computer eliminates all subjectivity and potential bias from an experiment.
- D. A computer can perform complex calculations more quickly and accurately than a human can.
Correct answer: C
Rationale: Using a computer does not eliminate all subjectivity and potential bias from an experiment. While computers can assist in data collection and analysis, the design and execution of the research study can still be influenced by subjectivity and bias introduced by researchers. Researchers need to recognize their potential biases and take measures to reduce them throughout the research process. Choice A is correct as computers are valuable for managing large datasets. Choice B is correct as computers can efficiently work with instruments and record data. Choice D is correct as computers excel in performing complex calculations faster and more accurately than humans.
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