what is a lifestyle practice that can benefit the lymphatic system
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ATI TEAS 7

TEAS 7 science study guide free

1. Which lifestyle practice can benefit the lymphatic system?

Correct answer: C

Rationale: Regularly engaging in moderate exercise benefits the lymphatic system by promoting circulation and aiding in the removal of toxins and waste products from the body. This helps maintain a healthy lymphatic system. Consuming a high-sugar diet can lead to inflammation and hinder lymphatic function. Maintaining a sedentary lifestyle can result in poor circulation, which negatively affects the lymphatic system. Smoking cigarettes introduces toxins into the body, further burdening the lymphatic system. Therefore, the correct lifestyle practice that can benefit the lymphatic system is regularly engaging in moderate exercise.

2. Which of the following is a common property of both acids and bases?

Correct answer: D

Rationale: The correct answer is D. Both acids and bases can conduct electricity when dissolved in water. Acids ionize in water to produce H+ ions, which can carry an electric current, while bases ionize to produce OH- ions, which also conduct electricity. The other options are not common properties of both acids and bases. Reacting with metals to produce hydrogen gas is characteristic of acids, tasting sour is a property of acids, and turning blue litmus paper red is a property of bases, not a common property shared by both.

3. What is the process of converting DNA into a protein called?

Correct answer: B

Rationale: Translation is the correct answer. It is the process of converting the information in mRNA into a sequence of amino acids to form a protein. Transcription (Choice A) is the process of copying a segment of DNA into RNA. Replication (Choice C) is the process of making an identical copy of DNA. Mutation (Choice D) refers to a change in the DNA sequence that can lead to variations in proteins, but it is not the process of converting DNA into a protein.

4. What is the final phase of mitosis?

Correct answer: B

Rationale: Telophase is indeed the final phase of mitosis. During telophase, the chromosomes have reached opposite poles of the cell, the nuclear envelope is re-forming around the separated sister chromatids, and cytokinesis may also occur, leading to the division of the cell into two daughter cells. Choice A, Prophase, is incorrect as it is the initial phase of mitosis where chromatin condenses into chromosomes. Choice C, Anaphase, is incorrect as it is the phase where sister chromatids separate and move towards opposite poles. Choice D, Metaphase, is incorrect as it is the phase where chromosomes align at the cell's equator before separating.

5. What are the three main types of blood vessels?

Correct answer: A

Rationale: The correct answer is A: Arteries, veins, capillaries. Arteries carry blood away from the heart, veins carry blood to the heart, and capillaries facilitate the exchange of gases and nutrients between the blood and tissues. Choice B is incorrect because bronchioles are not blood vessels but part of the respiratory system. Choice C is incorrect as it lists veins before arteries, which is not the standard order in anatomy. Choice D is incorrect as alveoli are small air sacs in the lungs, not blood vessels.

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