what property of a substance remains constant regardless of its location in the universe
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ATI TEAS 7

TEAS 7 science quizlet

1. What property of a substance remains constant regardless of its location in the universe?

Correct answer: A

Rationale: Mass is a measure of the amount of matter in an object and remains constant regardless of its location in the universe. Weight, on the other hand, is the force of gravity acting on an object and can vary depending on the gravitational pull at different locations. Density and volume can also change based on the environment in which an object is placed, making mass the property that remains constant universally. Therefore, the correct answer is mass. Weight changes with the gravitational force of a particular location, density varies with mass and volume, and volume can change depending on the shape or size of the object.

2. Which organ is responsible for filtering waste from the blood?

Correct answer: A

Rationale: The correct answer is A: Kidneys. The kidneys are responsible for filtering waste products from the blood, maintaining fluid and electrolyte balance. The pancreas aids in digestion and regulates blood sugar levels. The liver processes nutrients, detoxifies chemicals, and produces bile. The heart is responsible for pumping blood throughout the body. Choice B, Pancreas, is incorrect because the pancreas plays a role in digestion and blood sugar regulation, not in filtering waste from the blood. Choice C, Liver, is incorrect as the liver processes nutrients, detoxifies chemicals, and produces bile, but it is not primarily responsible for filtering waste from the blood. Choice D, Heart, is incorrect as the heart's main function is pumping blood throughout the body, not filtering waste from the blood.

3. What is the protective sac surrounding the testes in the male reproductive system?

Correct answer: B

Rationale: The scrotum is the correct answer, as it is the protective sac surrounding the testes in the male reproductive system. The scrotum's role is crucial in maintaining the optimal temperature for proper sperm production by regulating the distance of the testes from the body. The vas deferens is a duct responsible for transporting sperm from the testes to the urethra, not the protective sac surrounding the testes. The epididymis is a coiled tube where sperm mature and are stored before ejaculation, not the protective sac. The urethra is a tube that serves as a common passageway for both urine and semen to exit the body, not the protective sac surrounding the testes.

4. What is the term for the maximum amount of solute that can dissolve in a solvent at a specific temperature and pressure?

Correct answer: B

Rationale: Solubility is the correct term for the maximum amount of solute that can dissolve in a solvent at a specific temperature and pressure. Molarity is a measure of concentration, not the maximum amount that can dissolve. Concentration is a general term for the amount of solute present in a given amount of solvent. Saturation is related to solubility but specifically refers to a state where no more solute can be dissolved in the solvent.

5. What type of energy does a stretched rubber band possess?

Correct answer: B

Rationale: When a rubber band is stretched, it stores potential energy due to its position or configuration. This potential energy can be converted into kinetic energy when the rubber band is released and returns to its original shape. Therefore, the correct answer is potential energy, as the energy is stored in the stretched rubber band and can be released upon returning to its original state. Choices A, C, and D are incorrect because kinetic energy is associated with motion, thermal energy is related to heat, and mechanical energy is a broader category that includes both potential and kinetic energy.

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