ATI TEAS 7
TEAS Practice Test Science
1. Which of the following lobes of the brain is primarily responsible for vision?
- A. Frontal
- B. Occipital
- C. Parietal
- D. Temporal
Correct answer: B
Rationale: The occipital lobe is primarily responsible for processing visual information. It contains the primary visual cortex, which plays a key role in interpreting visual stimuli. The frontal lobe is more associated with functions such as decision-making and problem-solving, making choice A incorrect. The parietal lobe is involved in processing sensory information but not specifically vision, making choice C incorrect. The temporal lobe is responsible for functions like memory and auditory processing, so choice D is also incorrect.
2. Which of the following factors does not strengthen a scientific argument?
- A. Lack of bias
- B. Extensive use of qualitative research and data
- C. Able to be reproduced and repeated by others
- D. Withstands the test of time
Correct answer: B
Rationale: The correct answer is B. While qualitative data can provide valuable insights, it does not inherently strengthen a scientific argument to the same extent as quantitative data. Quantitative data is generally more precise, measurable, and easier to verify, making it a stronger basis for scientific arguments. Choices A, C, and D all contribute to strengthening a scientific argument. Lack of bias ensures objectivity and reliability, reproducibility by others validates the findings, and standing the test of time indicates the enduring validity and reliability of the argument.
3. Which structure of the endocrine system is responsible for maturing T cells?
- A. Hypothalamus
- B. Pineal
- C. Thymus
- D. Thyroid
Correct answer: C
Rationale: The thymus is the primary gland responsible for the maturation of T cells in the immune system. T cells are a type of white blood cell involved in the immune response. The hypothalamus is primarily involved in hormone regulation and maintaining homeostasis. The pineal gland is responsible for secreting melatonin and regulating the sleep-wake cycle. The thyroid gland plays a key role in metabolism regulation through the production of thyroid hormones. Therefore, the correct answer is the thymus because it is specifically associated with the maturation of T cells, making it essential for proper immune function.
4. Following the scientific method, which steps would be done before gathering qualitative data?
- A. Communicate with a scientific journal
- B. Define the problem
- C. Develop a hypothesis
- D. Categorize data for statistical analysis
Correct answer: B
Rationale: In the scientific method, defining the problem is typically the initial step. Before gathering qualitative data, it is essential to clearly outline and understand the issue or question being addressed. This step helps in guiding the research process and ensures that the data collected are relevant to the problem at hand. Communicating with a scientific journal (Choice A) is not a standard step in the scientific method; it comes after the research is conducted. Developing a hypothesis (Choice C) usually follows defining the problem and precedes data collection. Categorizing data for statistical analysis (Choice D) occurs after data collection, not before gathering qualitative data.
5. Which of the following bones is part of the axial skeleton?
- A. Femur
- B. Humerus
- C. Skull
- D. Pelvis
Correct answer: C
Rationale: The correct answer is C: Skull. The axial skeleton consists of bones along the body's central axis, including the skull, vertebral column, ribs, and sternum. Choices A, B, and D are incorrect because the femur, humerus, and pelvis are part of the appendicular skeleton, which comprises the bones of the limbs and girdles.
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