what happens to the wavelength of a wave when its frequency increases while the speed remains constant
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ATI TEAS 7

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1. What happens to the wavelength of a wave when its frequency increases while the speed remains constant?

Correct answer: B

Rationale: When the speed of a wave is constant and the frequency increases, the wavelength must decrease to keep the speed constant. The speed of a wave is determined by the product of frequency and wavelength (speed = frequency x wavelength). If the frequency increases while the speed remains constant, the wavelength has to decrease proportionally to maintain the speed unchanged. Therefore, as the frequency increases, the wavelength decreases to ensure that the speed of the wave remains constant. Choice A is incorrect because as frequency increases, wavelength decreases. Choice C is incorrect as the wavelength cannot remain the same when frequency increases while speed is constant. Choice D is incorrect as the wavelength cannot become zero under these conditions.

2. As the tour group approached the bottom of Chichen Itza, the prodigious Mayan pyramid, they became nervous about climbing its distant peak. Based on the context of the sentence, which of the following words shows the correct meaning of the word prodigious?

Correct answer: A

Rationale: In this context, the word 'prodigious' is used to describe the Mayan pyramid at Chichen Itza. The tour group's nervousness about climbing its distant peak indicates that the pyramid is impressive in size and scale, invoking a sense of awe or grandeur. Therefore, the correct meaning of 'prodigious' in this context would be 'very large.' Choice B, 'Famous,' is incorrect as the sentence focuses on the size rather than the fame of the pyramid. Choice C, 'Very old,' and choice D, 'Fancy,' do not accurately capture the intended meaning of 'prodigious' as used in this context.

3. 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.

4. Which type of muscle is responsible for voluntary movements?

Correct answer: B

Rationale: The corrected question is asking about the type of muscle responsible for voluntary movements, which is skeletal muscle (Choice B). Skeletal muscle is under conscious control and is responsible for voluntary movements like walking or lifting objects. Smooth muscle (Choice A) is found in organs like the intestines and blood vessels, responsible for involuntary movements. Cardiac muscle (Choice C) is specific to the heart and is also involuntary. 'Involuntary' (Choice D) is a general term and does not specify a type of muscle responsible for voluntary movements.

5. How many ounces is equal to 1 gram?

Correct answer: B

Rationale: To convert grams to ounces, you need to multiply the weight in grams by 0.035 to get the equivalent weight in ounces. Therefore, 1 gram is equal to 0.035 ounces. Choices A, C, and D are incorrect conversions and do not accurately represent the conversion factor from grams to ounces.

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