ATI TEAS 7
ATI TEAS 7 science review
1. Which of the following types of muscle tissue is found attached to bones and allows for voluntary movement?
- A. Smooth muscle
- B. Cardiac muscle
- C. Skeletal muscle
- D. Connective tissue
Correct answer: C
Rationale: The correct answer is C: Skeletal muscle. Skeletal muscle is attached to bones and allows for voluntary movement, such as walking, running, and lifting objects. Smooth muscle, found in the walls of internal organs and blood vessels, is responsible for involuntary movements. Cardiac muscle is specific to the heart and controls involuntary contraction. Connective tissue, on the other hand, provides support and connects different structures in the body, but it is not responsible for voluntary movement like skeletal muscle.
2. Which of the following is a chief difference between evaporation and boiling?
- A. Liquids boil only at the surface, while they evaporate equally throughout the liquid.
- B. Evaporating substances change from liquid to gas, while boiling substances change from gas to liquid.
- C. Evaporation can happen below a liquid's boiling point.
- D. Evaporation happens in nature, while boiling is a man-made phenomenon.
Correct answer: C
Rationale: The chief difference between evaporation and boiling is that evaporation can happen below a liquid's boiling point, while boiling only occurs at the liquid's boiling point. Evaporation is the process of a liquid turning into a gas at any temperature, while boiling specifically refers to the rapid vaporization that occurs when a liquid reaches its boiling point. Choice A is incorrect because liquids evaporate throughout the liquid, not just at the surface. Choice B is incorrect as evaporating substances change from liquid to gas, while boiling substances change from liquid to gas. Choice C is incorrect as boiling is not a man-made phenomenon; in fact, it is a natural process based on temperature changes. Choice D is incorrect because evaporation can happen naturally and is not limited to man-made processes.
3. Which of the following organelles is responsible for food and water storage in the cell?
- A. Centriole
- B. Lysosome
- C. Ribosome
- D. Vacuole
Correct answer: D
Rationale: The correct answer is D, Vacuole. Vacuoles are membrane-bound organelles responsible for the storage of various substances such as food, water, and waste in a cell. They help maintain the cell's turgidity and regulate the movement of substances within the cell. Choice A, Centriole, is involved in cell division and organization of microtubules but not food and water storage. Choice B, Lysosome, contains digestive enzymes for breaking down cellular waste material and foreign invaders. Choice C, Ribosome, is involved in protein synthesis rather than storage of food and water.
4. What is the term for the tiny particles that make up atoms?
- A. Protons
- B. Electrons
- C. Neutrons
- D. Subatomic particles
Correct answer: D
Rationale: The correct answer is 'Subatomic particles.' Subatomic particles are the tiny components that constitute atoms, including protons, neutrons, and electrons. Protons and neutrons are located in the nucleus of an atom, while electrons revolve around the nucleus. Choices A, B, and C specifically refer to individual subatomic particles but do not encompass the complete range of particles within an atom.
5. Which of the following is an effect of high blood pressure?
- A. Smoking
- B. Excessive dietary salt
- C. Renal vessel damage
- D. Older age
Correct answer: C
Rationale: The correct answer is C: Renal vessel damage. High blood pressure can lead to damage in blood vessels throughout the body, including the kidneys. When blood vessels in the kidneys are affected, it can impair kidney function and potentially lead to kidney disease. Smoking (Choice A) and excessive dietary salt (Choice B) can contribute to high blood pressure but are not direct effects of high blood pressure itself. Older age (Choice D) is a risk factor for developing high blood pressure but is not a direct effect of high blood pressure.
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