which of the following is the multiple functions of the liver
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ATI TEAS 7

ATI TEAS Science Questions

1. Which of the following are functions of the liver?

Correct answer: D

Rationale: The liver performs various essential functions in the body. It supports waste disposal by breaking down toxins and producing bile to eliminate waste, aids in blood clotting through the synthesis of plasma proteins like fibrinogen, and emulsifies fats by producing bile that helps in fat digestion. All the statements accurately describe functions of the liver, making option D 'All of the above' the correct choice. Option A is incorrect as it oversimplifies the waste disposal function without mentioning the breakdown of toxins. Option B is incorrect as it only focuses on blood clotting and not the other functions of the liver. Option C is incorrect as it solely emphasizes fat emulsification and does not cover the liver's other crucial roles.

2. Muscle tissues often require quick bursts of energy. As a result, which of the following organelles would be most likely to be found in higher than normal amounts in muscle cells?

Correct answer: D

Rationale: Muscle tissues require quick bursts of energy for activities such as contraction and relaxation. Mitochondria are known as the powerhouse of the cell, producing energy in the form of ATP through cellular respiration. Therefore, muscle cells would require higher amounts of mitochondria to meet their energy demands. Ribosomes are involved in protein synthesis and are not directly related to energy production. Chloroplasts are found in plant cells and are responsible for photosynthesis, not in animal muscle cells. Vacuoles are primarily involved in storage, maintaining turgor pressure, and digestion, but they are not the main organelles involved in energy production.

3. Which law of motion states that for every action, there is an equal and opposite reaction?

Correct answer: C

Rationale: The correct answer is Newton's Third Law of Motion. This law states that for every action, there is an equal and opposite reaction. It means that when one object exerts a force on a second object, the second object exerts an equal force in the opposite direction back on the first object. This fundamental law describes the relationship between the forces acting on two interacting objects. Newton's First Law (Choice A) is known as the law of inertia and states that an object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an external force. Newton's Second Law (Choice B) relates the force acting on an object to its mass and acceleration. The Law of Universal Gravitation (Choice D) describes the force of gravity between two objects with mass and the distance between them.

4. Which part of the respiratory system is responsible for gas exchange between the blood and inhaled air?

Correct answer: C

Rationale: The correct answer is C, Alveoli. The alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place between the air we breathe in and the blood. The trachea, larynx, and pharynx are all part of the airway passage but do not directly participate in gas exchange. The trachea serves as the windpipe, the larynx is involved in sound production and protecting the airway during swallowing, and the pharynx helps with swallowing and speech production. Therefore, the alveoli specifically facilitate the critical gas exchange process, making them the correct answer in this context.

5. Which term describes the ability of a substance to conduct electricity?

Correct answer: C

Rationale: Conductivity is the correct term used to describe the ability of a substance to conduct electricity. Reactivity is the measure of a substance's tendency to undergo chemical reactions. Density refers to the mass per unit volume of a substance, while viscosity is a measure of a fluid's resistance to flow. In the context of conducting electricity, conductivity is the most appropriate term as it directly relates to the substance's electrical conductive properties.

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