which of the following are properties of a liquid
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ATI TEAS 7

TEAS Practice Test Science

1. Which of the following are properties of a liquid?

Correct answer: D

Rationale: The correct answer is D: 'Takes shape of container.' Liquids exhibit the property of taking the shape of their container while maintaining a fixed volume. This is due to the ability of liquid particles to flow and move freely within the container. Choices A, B, and C are incorrect. Choice A, 'High atomic attraction,' is not a general property of liquids as the level of attraction between liquid particles can vary. Choice B, 'Fixed volume,' is partially correct as liquids do have a fixed volume, but they do not have a fixed shape. Choice C, 'Low pressure,' is not a defining property of liquids.

2. Which organ of the body compensates when a person's intake of vitamins decreases?

Correct answer: B

Rationale: The liver is the organ that compensates when a person's intake of vitamins decreases. It stores certain vitamins, such as vitamins A, D, E, K, and B12, and releases them when dietary intake decreases. This helps maintain the body's vitamin levels and functions. The other organs listed - Appendix, Pancreas, and Stomach - do not primarily play a role in compensating for a decrease in vitamin intake. The liver is crucial in maintaining vitamin balance, making it the correct choice in this context.

3. Which blood component is responsible for the production of antibodies?

Correct answer: C

Rationale: White blood cells, specifically B lymphocytes or B cells, are responsible for producing antibodies as part of the immune response. When the body encounters foreign substances (antigens), B cells are activated to differentiate into plasma cells, which then produce antibodies to target and neutralize the antigens. Platelets are involved in blood clotting and not in antibody production. Red blood cells are primarily responsible for carrying oxygen in the blood and do not produce antibodies. Plasma cells are actually differentiated B cells that produce antibodies, but the question asks for the blood component responsible for the production of antibodies, which is the white blood cells.

4. What determines the final velocity of a block sliding down a frictionless inclined plane?

Correct answer: B

Rationale: The final velocity of a block sliding down a frictionless inclined plane is determined by the angle of the incline. The angle directly impacts the acceleration of the block, affecting the final velocity it attains at the bottom. The length of the incline and the mass of the block do not play a direct role in determining the final velocity. Therefore, the correct answer is the angle of the incline (Choice B). Choices A and C are incorrect because the length of the incline and the mass of the block do not have a direct influence on the final velocity of the block in this scenario.

5. Bile, stored in the gallbladder, aids in the digestion of which nutrient?

Correct answer: C

Rationale: Bile, produced by the liver and stored in the gallbladder, aids in the digestion of fats. Bile emulsifies fats, breaking them down into smaller droplets to increase the efficiency of fat digestion by enzymes like lipase. This process enhances the absorption of fats in the small intestine, facilitating the body's utilization of essential fatty acids and fat-soluble vitamins. Carbohydrates are primarily broken down by enzymes like amylase, proteins by pepsin and other proteases, and vitamins have varying digestion and absorption processes, which do not involve bile. Therefore, the correct answer is fats as they are directly influenced by bile in the digestion process.

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