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Nursing Elites

ATI TEAS 7

Scientific Reasoning

1. A scientific theory is:

Correct answer: B

Rationale: Theories in science are constantly evolving and open to revision as new data emerges, unlike personal beliefs or fixed dogmas.

2. Colligative properties of solutions depend on the...

Correct answer: D

Rationale: The correct answer is D: 'Number of solute particles in solution.' Colligative properties, such as boiling point elevation and freezing point depression, depend on the number of solute particles present in a solution, not on the chemical identity of the solute or the concentration of the solvent. This is because the presence of solute particles disrupts the solvent's normal behavior, affecting these properties. Therefore, the number of solute particles in solution directly influences colligative properties, making it the most accurate choice among the options provided.

3. Which type of muscle is characterized by voluntary control and is responsible for body movement?

Correct answer: c

Rationale: The correct answer is C: Skeletal muscle. Skeletal muscles are characterized by voluntary control, meaning they are under conscious control, allowing us to move our body parts as desired. These muscles are attached to bones and are responsible for movements such as walking, running, and lifting objects. Cardiac muscle (A) is found in the heart and is involuntary, while smooth muscle (B) is found in internal organs and is also involuntary. Connective tissue (D) provides support and structure to the body but is not responsible for body movements.

4. If the mass of an object remains constant and its velocity doubles, how does its momentum change?

Correct answer: a

Rationale: Momentum is directly proportional to velocity when mass is constant.

5. In a chemical reaction, the total amount of:

Correct answer: A

Rationale: The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction, only rearranged

6. What is the general formula for an alcohol?

Correct answer: D

Rationale: The general formula for an alcohol is \(C_nH_{2n}O\), indicating the presence of a hydroxyl group (-OH).

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