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Nursing Elites

ATI TEAS 7

physics

1. When does work on an object occur?

Correct answer: c

Rationale: Work is done when a force is applied to an object, causing it to move in the direction of the force.

2. Which of the following sentences uses figurative language?

Correct answer: B

Rationale: This sentence uses a simile, comparing the child's speed to a cheetah's.

3. When you push a book across a table, the book experiences an equal and opposite force from the table. Why doesn't the table move as well?

Correct answer: C

Rationale: While Newton's third law states that for every action, there is an equal and opposite reaction, the unbalanced force acting on each object depends on their respective masses. The larger mass of the table (compared to the book) experiences a smaller acceleration, making its movement almost imperceptible.

4. What mineral is essential for muscle function and can cause cramps if deficient?

Correct answer: B

Rationale: The correct answer is B: Calcium. Calcium is essential for muscle function, including muscle contraction and relaxation. A deficiency in calcium can lead to muscle cramps and spasms. While sodium, potassium, and magnesium are also important for muscle function, calcium specifically plays a crucial role in muscle contractions. Therefore, calcium is the mineral that is essential for muscle function and can cause cramps if deficient.

5. What type of intermolecular force is responsible for the high surface tension of water?

Correct answer: A

Rationale: The high surface tension of water is due to the strong hydrogen bonding between water molecules. Hydrogen bonding is a type of intermolecular force that occurs when a hydrogen atom is covalently bonded to a highly electronegative atom (such as oxygen in water) and is attracted to another electronegative atom nearby. This results in a strong attraction between water molecules at the surface, leading to a high surface tension.

6. What is the name for the flexible connection between bones at the wrist or ankle?

Correct answer: A

Rationale: The correct answer is A: Ligament. Ligaments are fibrous connective tissues that connect bones to other bones, providing stability and support to joints. In the context of the wrist or ankle, ligaments play a crucial role in maintaining the structural integrity of these joints and preventing excessive movement that could lead to injury. Tendons (option B) connect muscles to bones, fascia (option C) is a connective tissue that surrounds muscles and other structures, and synovial joint (option D) refers to a type of joint that allows for movement. Therefore, the flexible connection between bones at the wrist or ankle is best described as a ligament.

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