what is the characteristic property of acids
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ATI TEAS 7

TEAS Test 7 science quizlet

1. What is a characteristic property of acids?

Correct answer: B

Rationale: The correct characteristic property of acids is a sour taste. Acids release hydrogen ions when dissolved in water, giving them a sour taste. Bitter taste is a property associated with bases, not acids. Slippery feel is a characteristic property of bases, due to their soap-like nature. Sweet taste does not accurately describe the characteristic property of acids, as they are known for their sour taste.

2. Which of the following structures can serve as a passageway for both food and air?

Correct answer: B

Rationale: The correct answer is the Laryngopharynx. It is a common passageway for both food and air. The Esophagus (Choice A) is solely for transporting food from the throat to the stomach. The Nasopharynx (Choice C) is primarily involved in the passage of air. The Trachea (Choice D) is responsible for conducting air to and from the lungs and does not play a role in the passage of food.

3. Which of the following is the neutral subatomic particle found in the nucleus of an atom?

Correct answer: C

Rationale: The correct answer is C, Neutron. Neutrons are subatomic particles found in the nucleus of an atom that have no charge. They have a mass of approximately 1 atomic mass unit (amu). The number of neutrons in an atom's nucleus contributes to the mass number of the atom, which is the total number of protons and neutrons in the nucleus. Choice A, Electron, is incorrect as electrons are negatively charged particles found outside the nucleus. Choice B, Proton, is incorrect as protons are positively charged particles found in the nucleus. Choice D, Positron, is incorrect as positrons are positively charged antiparticles of electrons and are not typically found in the nucleus of an atom.

4. 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.

5. What is molarity a measure of in a solution?

Correct answer: C

Rationale: Molarity is a measure of the concentration of a solute in a solution. It is defined as the number of moles of solute per liter of solution. Molarity is not a measure of the volume of the solvent (choice A), the amount of solute (choice B), or the temperature of the solution (choice D). Therefore, the correct answer is the concentration of solute (choice C) as molarity specifically quantifies the solute concentration in a solution.

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