which of the following is responsible for carrying oxygenated blood from the heart to the body
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ATI TEAS 7

TEAS Practice Test Science

1. Which of the following is responsible for carrying oxygenated blood from the heart to the body?

Correct answer: B

Rationale: The correct answer is B: Artery. Arteries carry oxygenated blood away from the heart to the body. Veins carry deoxygenated blood back to the heart, capillaries are tiny blood vessels where gas exchange occurs, and lymphatic vessels are part of the lymphatic system, which is responsible for draining excess fluid from tissues and transporting white blood cells.

2. When two coherent light waves with a slight phase difference interfere, what determines the resulting intensity of the combined wave?

Correct answer: A

Rationale: The resulting intensity of the combined wave is determined by the individual intensities of the waves. When two coherent light waves interfere, the amplitudes of the waves add up, and the resulting intensity is proportional to the square of the sum of the individual amplitudes. Therefore, the individual intensities of the waves play a crucial role in determining the resulting intensity of the combined wave. Choices B, C, and D are incorrect. The wavelength of the waves and the distance between the waves do affect interference patterns but not the resulting intensity. The color of the waves is determined by the wavelength and does not directly determine the resulting intensity of the combined wave.

3. Following the scientific method, which steps would be done before gathering qualitative data?

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.

4. Which organelle provides energy for cellular functions?

Correct answer: C

Rationale: The correct answer is C, Mitochondria. Mitochondria are often referred to as the powerhouse of the cell as they produce energy in the form of ATP through cellular respiration. This process is essential for various cellular functions, making mitochondria crucial for energy production within the cell. Choice A, Nucleus, is incorrect as the nucleus is responsible for housing the cell's genetic material and controlling cellular activities but not for energy production. Choice B, Cell membrane, is incorrect as it is primarily involved in maintaining cell integrity and regulating the passage of substances in and out of the cell, not in energy production. Choice D, Cytoplasm, is incorrect as it is the jelly-like substance that fills the cell and is the site of many metabolic pathways, but it is not the specific organelle responsible for energy production.

5. What is the process by which damaged muscle tissue repairs and rebuilds itself?

Correct answer: B

Rationale: Regeneration is the correct answer. It is the process by which damaged muscle tissue repairs and rebuilds itself. New muscle cells are formed during regeneration to replace the damaged ones, allowing the muscle to heal and regain its function. Degeneration refers to tissue breakdown, hyperplasia is the increase in the number of cells in an organ or tissue, and metaplasia is the transformation of one type of tissue into another.

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