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Nursing Elites

ATI TEAS 7

physics

1. Which of the following is an example of a chemical property of matter?

Correct answer: b

Rationale: Chemical properties describe how a substance reacts with other substances, such as its ability to burn (flammability) or react with acids or bases.

2. The lymphatic system works closely with which other body system to fight infections?

Correct answer: A

Rationale: The correct answer is the Respiratory system. The lymphatic system and the respiratory system work closely together to fight infections. The respiratory system helps to filter out pathogens and other harmful substances from the air we breathe, while the lymphatic system produces and transports white blood cells (lymphocytes) that play a key role in the immune response against infections. This collaboration helps the body to defend against respiratory infections and maintain overall health.

3. What is the relationship between work and kinetic energy?

Correct answer: a

Rationale: Work done on an object can change its kinetic energy, either increasing or decreasing it.

4. Which structure in the heart is responsible for preventing the backflow of blood from the left ventricle into the left atrium?

Correct answer: D

Rationale: The correct answer is D, the Mitral valve. The Mitral valve, also known as the bicuspid valve, is located between the left atrium and left ventricle in the heart. It consists of two cusps that close tightly when the left ventricle contracts, preventing the backflow of blood into the left atrium. The aortic valve (option A) is responsible for preventing the backflow of blood from the aorta into the left ventricle, not the left atrium. The pulmonary valve (option B) prevents backflow from the pulmonary artery into the right ventricle, and the tricuspid valve (option C) prevents backflow from the right ventricle into the right atrium. Therefore, the Mitral valve is specifically responsible for preventing backflow from the left ventricle into the left atrium.

5. She decides to have a decentralized staffing system. Which of the following is an advantage

Correct answer: A

Rationale: The correct answer is A: 'greater control of activities.' Having a decentralized staffing system allows for the delegation of decision-making to lower levels of the organization, which can result in greater control over activities. This can lead to quicker responses to issues and better alignment with specific departmental needs. Options B, C, and D do not directly relate to the advantage of a decentralized staffing system. While conserving time, compatibility with computerization, and promoting better interpersonal relationships are important considerations in staffing decisions, they do not specifically align with the advantage of greater control that a decentralized system provides.

6. What is the Golgi apparatus?

Correct answer: D

Rationale: Rationale: The Golgi apparatus is an organelle in the cell responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destinations. It consists of a series of flattened sacs called cisternae and plays a crucial role in processing proteins synthesized in the endoplasmic reticulum. Option A is incorrect because the network of tubules that transport proteins and lipids throughout the cell is typically associated with the endoplasmic reticulum. Option B is incorrect as the structure described is more characteristic of a vacuole, which stores water and nutrients. Option C is incorrect as protein synthesis primarily occurs in the ribosomes, not the Golgi apparatus.

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