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Nursing Elites

ATI TEAS 7

physics

1. How does the potential energy of an object change when it is compressed?

Correct answer: b

Rationale: When an object is compressed, it stores potential energy due to its altered position or configuration.

2. Ms. Castro learns that some leaders are transactional leaders. Which of the following does

Correct answer: C

Rationale: The correct answer is C: 'Uses trade-offs to meet goals.' Transactional leaders focus on the exchange or transaction that occurs between them and their followers. They set clear expectations and goals for their followers and use rewards and punishments to motivate them. This approach involves making trade-offs to achieve desired outcomes, such as rewarding employees for meeting targets or penalizing them for not meeting expectations. Options A and B do not directly relate to transactional leadership, as it is more about goal achievement and motivation through rewards and punishments. Option D describes a transformational leader, who inspires and motivates others through a shared vision and values, which is different from the transactional leadership style described in the question.

3. What happens when an atom loses an electron?

Correct answer: B

Rationale: It gains a positive charge and becomes an ion. Losing an electron disrupts the charge balance, leaving the atom with more protons than electrons and a positive charge.

4. The order of operations (PEMDAS) dictates the sequence for evaluating mathematical expressions. If a = 2 and b = -3, what is the value of 3a^2 - 2ab + b^2?

Correct answer: C

Rationale: Following PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right), we start with exponents: 3(2^2) - 2ab + b^2. Then, multiply: 3(4) - 2ab + b^2. Next, perform the multiplication/division from left to right: 12 - 2ab + b^2. Finally, add/subtract from left to right: 12 + (-2)(2)(-3) + (-3)^2. Evaluate the remaining terms: 12 + 12 + 9. The answer is 33.

5. Nuclear forces are much stronger than electromagnetic forces at the nuclear level. What property best describes this characteristic?

Correct answer: A

Rationale: Nuclear forces operate within a very small range compared to electromagnetic forces, impacting only nucleons directly touching each other.

6. What type of enzyme breaks down carbohydrates like starches and sugars in the mouth?

Correct answer: C

Rationale: The correct answer is C: Amylase. Amylase is an enzyme specifically responsible for breaking down carbohydrates like starches and sugars in the mouth. It is produced by both the salivary glands and the pancreas. Pepsin (A) is an enzyme that breaks down proteins in the stomach, lipase (B) breaks down fats, and trypsin (D) is another enzyme that digests proteins but is produced in the pancreas and works in the small intestine. Therefore, amylase is the enzyme that targets carbohydrates in the mouth, aiding in the initial digestion process of these nutrients.

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