ATI TEAS 7
TEAS Practice Test Science Questions
Question 1 of 5
Following the scientific method, which steps would be done before gathering qualitative data?
Correct Answer: B
Rationale: Correct Answer: B (Define the problem) Rationale: 1. Defining the problem is the first step in the scientific method to identify the research focus. 2. It helps in formulating specific research questions and objectives. 3. Before gathering qualitative data, having a clear problem statement is essential to guide the research process. Incorrect Choices: A: Communicating with a scientific journal is not a step in the scientific method, but rather a later stage after conducting research. C: Developing a hypothesis comes after defining the problem to propose a possible explanation for the research question. D: Categorizing data for statistical analysis is done after data collection, not before gathering qualitative data.
Question 2 of 5
Which part of the brain is responsible for higher brain functions, such as thought and action?
Correct Answer: D
Rationale: The correct answer is D, the cerebrum. The cerebrum is the largest part of the brain and is responsible for higher brain functions such as thought, reasoning, memory, and voluntary actions. It consists of the cerebral cortex, which plays a crucial role in processing sensory information and controlling motor functions. The amygdala (A) is involved in emotions and memory, the brain stem (B) controls basic life functions like breathing and heart rate, and the cerebellum (C) coordinates movement and balance. Therefore, the cerebrum is the correct choice for higher brain functions.
Question 3 of 5
Which type of muscle is responsible for moving the skeleton?
Correct Answer: B
Rationale: The correct answer is B: Skeletal muscle. Skeletal muscles are attached to bones and responsible for moving the skeleton through voluntary contractions. They are under conscious control, making them voluntary muscles. Cardiac muscle (A) is found in the heart and responsible for pumping blood. Smooth muscle (C) is found in organs and blood vessels, responsible for involuntary movements. Voluntary muscle (D) is a general term that can refer to both skeletal and smooth muscles, but in this context, it does not specifically address moving the skeleton.
Question 4 of 5
What are stem cells that can develop into many different cell types, but not a complete organism, known as?
Correct Answer: C
Rationale: The correct answer is C: Pluripotent stem cells. Pluripotent stem cells can differentiate into many different cell types but cannot form a complete organism. They have the ability to give rise to cells of all three germ layers. Totipotent stem cells (A) can form a complete organism, including both embryonic and extra-embryonic tissues. Multipotent stem cells (B) can develop into a limited range of cell types. Hematopoietic stem cells (D) specifically give rise to blood cells and their progenitors, so they are more specialized compared to pluripotent stem cells.
Question 5 of 5
What is the role of the large intestine in the digestive system?
Correct Answer: B
Rationale: The large intestine's main role is to absorb water and form feces. First, undigested material passes from the small intestine to the large intestine. Second, water is absorbed, making the stool more solid. Finally, the formed feces are stored until they are eliminated from the body. This process is crucial for maintaining proper hydration and eliminating waste. Choices A, C, and D are incorrect as they describe functions performed by other parts of the digestive system, such as the stomach and small intestine.
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