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Nursing Elites

ATI TEAS 7

English Grammar

1. Identify the reflexive pronoun in the sentence: "She prepared herself for the presentation."

Correct answer: A

Rationale: "Herself" refers back to the subject "she," making it a reflexive pronoun.

2. According to the Law of Conservation of Energy, the total amount of energy in a closed system:

Correct answer: C

Rationale: Rationale: According to the Law of Conservation of Energy, the total amount of energy in a closed system remains constant. This means that energy cannot be created or destroyed within the system, but can only be transformed from one form to another. As a result, the total energy within the system is conserved and does not change over time. This principle is fundamental in understanding energy transformations and interactions within physical systems.

3. Which protein complex in the sarcomere is responsible for the thick filament?

Correct answer: B

Rationale: The correct answer is B: Myosin. In the sarcomere, the thick filament is composed of myosin protein. Myosin is responsible for the interaction with actin filaments during muscle contraction, forming cross-bridges that generate the force required for muscle movement. Actin (choice A) is a component of the thin filament in the sarcomere, while tropomyosin (choice C) and troponin (choice D) are regulatory proteins associated with muscle contraction but are not part of the thick filament. Understanding the specific components of the sarcomere is crucial for comprehending muscle contraction mechanisms.

4. What is the SI unit of measurement for work?

Correct answer: b

Rationale: Work is measured in Joules (J) in the SI unit system.

5. The dome-shaped muscular structure that separates the chest cavity from the abdominal cavity is the:

Correct answer: A

Rationale: The correct answer is A: Diaphragm. The diaphragm is a dome-shaped muscular structure that plays a crucial role in respiration by contracting and flattening during inhalation to increase the volume of the thoracic cavity, allowing the lungs to expand and fill with air. It separates the chest cavity (thoracic cavity) from the abdominal cavity. The sternum (B) is a flat bone in the center of the chest, the pericardium (C) is a double-layered sac that surrounds the heart, and the trachea (D) is the windpipe that connects the larynx to the bronchi. Therefore, the diaphragm is the correct answer in this case.

6. What is the unit of force in the SI system?

Correct answer: A

Rationale: Force is measured in Newtons, named after Isaac Newton who formulated the laws of motion.

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