tissues are groups of cells with similar
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ATI TEAS 7

TEAS 7 practice test science

1. Tissues are groups of cells with similar:

Correct answer: B

Rationale: Tissues are groups of cells that work together to perform a specific function. They have similar structures that enable them to carry out their specialized functions effectively. Therefore, tissues are defined by both their function and structure, making option B the correct choice. Choices A, C, and D are incorrect because tissues are not solely defined by their appearance, location, or age, but rather by the shared function and structure of the cells within them.

2. What condition is characterized by progressive muscle weakness and wasting?

Correct answer: A

Rationale: Muscular dystrophy is a genetic disorder characterized by progressive muscle weakness and wasting due to mutations in genes responsible for muscle cells' structure and function. Myositis is an inflammatory muscle disease, fibromyalgia is a chronic pain condition, and carpal tunnel syndrome affects the hand and arm nerves, but none present with the progressive muscle weakness and wasting seen in muscular dystrophy.

3. Which of the following is a representation of a natural pattern or occurrence that is difficult or impossible to experience directly?

Correct answer: B

Rationale: A model is a representation used by scientists to understand and explain natural phenomena that are challenging or impossible to observe directly. Models help visualize complex systems or processes that are not easily accessible for direct observation. The other choices are incorrect because: A) A theory is an explanation or interpretation of observable facts or phenomena. C) A law describes a consistent and universal phenomenon or relationship in nature based on repeated observations. D) An observation is a direct act of watching or taking note of a phenomenon or behavior.

4. What is the process of breaking down proteins into amino acids called?

Correct answer: A

Rationale: Proteolysis is the specific process of breaking down proteins into amino acids. Lipolysis refers to the breakdown of fats into fatty acids and glycerol, not proteins. Carbohydrate catabolism involves the breakdown of carbohydrates into glucose for energy production, not proteins. Nucleic acid catabolism is the breakdown of nucleic acids into nucleotides, not proteins. Therefore, in the context of breaking down proteins into amino acids, the correct term is proteolysis.

5. What is the primary function of the large intestine?

Correct answer: D

Rationale: The primary function of the large intestine is to absorb water and electrolytes from the indigestible food matter that passes through it. This absorption process aids in the formation of solid waste (feces) before it is excreted from the body. Choices A, B, and C are incorrect because the large intestine does not primarily digest and absorb nutrients, store and mix food, or break down carbohydrates. These functions are primarily carried out by the small intestine.

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