which type of tissue connects bones to muscles
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ATI TEAS 7

ATI TEAS Science Questions

1. Which type of tissue connects muscles to bones?

Correct answer: B

Rationale: The correct answer is B: Tendons. Tendons connect muscles to bones, not bones to muscles. They play a crucial role in transmitting the force generated by muscles to move bones, enabling movement. Ligaments (choice A) connect bones to bones, providing stability to joints. Cartilage (choice C) is a connective tissue found in joints, providing cushioning and flexibility. Muscles (choice D) are responsible for generating force through contraction but do not directly connect muscles to bones.

2. What is the function of ribosomal RNA (rRNA)?

Correct answer: C

Rationale: Ribosomal RNA (rRNA) plays a crucial role in forming the structural framework of ribosomes. Ribosomes are the cellular organelles responsible for protein synthesis and consist of both protein and rRNA components. The primary function of rRNA is to provide the structural support necessary for ribosomes to function properly. This structural framework allows the ribosome to interact with messenger RNA (mRNA) and transfer RNA (tRNA) during translation, where genetic information encoded in mRNA is used to assemble proteins from amino acids. Therefore, rRNA's main role is in contributing to the structure and function of ribosomes, rather than directly carrying amino acids, reading the genetic code, or controlling the rate of protein synthesis. Choices A, B, and D are incorrect because rRNA does not carry amino acids to the ribosomes (tRNA does this), read the genetic code (this is the role of ribosomes and tRNA), or control the rate of protein synthesis (this is regulated by various factors but not directly by rRNA).

3. Which feedback loops are less common and sometimes harmful because they enhance stimuli rather than inhibit them?

Correct answer: B

Rationale: Correct. Positive feedback loops enhance or amplify changes, which can sometimes be harmful as they drive processes further from equilibrium. In contrast, negative feedback loops work to counteract deviations from a set point, promoting stability. Choice A, 'Negative feedback loop,' is incorrect because negative feedback loops inhibit or reduce changes, promoting stability. Choice C, 'Inhibitory feedback loop,' is incorrect as it is synonymous with negative feedback loops. Choice D, 'Stimulating feedback loop,' is incorrect as it inaccurately describes the nature of positive feedback loops.

4. 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 of a natural pattern or occurrence that is difficult or impossible to experience directly. Models are used to simplify complex systems or phenomena to aid in understanding or making predictions about them. The other options (A, C, and D) do not specifically refer to representations of natural patterns or occurrences as models do. A theory is an explanation based on observations, experiments, and reasoning. A law is a statement that describes a consistent natural phenomenon observed to occur without exception. An observation is a direct result of perceiving something using the senses, without being a representation or abstraction of a natural pattern.

5. Which type of nutrient requires the most complex and lengthy digestion process?

Correct answer: B

Rationale: Proteins require the most complex and lengthy digestion process compared to the other nutrient types provided. When proteins are consumed, they undergo a process where they need to be broken down into amino acids, which are essential building blocks of proteins. This intricate digestion process begins in the stomach aided by stomach acid and enzymes, proceeds to the small intestine where further enzymes break down proteins into amino acids, and concludes with the absorption of these amino acids into the bloodstream for various bodily functions. Carbohydrates and fats also require digestion, but the process for breaking down proteins into amino acids is notably more intricate and time-consuming. In contrast, vitamins do not require digestion in the same manner as proteins, carbohydrates, and fats because they are already in a form that can be readily absorbed by the body.

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