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Nursing Elites

ATI TEAS 7

physics

1. Which energy transformation occurs when a guitar string vibrates to produce sound?

Correct answer: c

Rationale: The electrical energy in the guitar's amplifier is converted into sound energy when the string vibrates.

2. A reaction between an acid and a base is known as:

Correct answer: B

Rationale: When an acid and a base react, they neutralize each other's properties

3. Which part of the brain generates the rhythmic electrical activity responsible for brain waves?

Correct answer: D

Rationale: The correct answer is D: Reticular formation. The reticular formation is a network of neurons located in the brainstem that plays a crucial role in regulating consciousness and sleep-wake cycles. It generates the rhythmic electrical activity responsible for brain waves, which are measured by an electroencephalogram (EEG). While the cerebrum, thalamus, and hypothalamus are important parts of the brain, they do not directly generate brain waves like the reticular formation does. Understanding the specific functions of different brain regions is crucial for comprehending how the brain functions and regulates various physiological processes.

4. Which property of matter explains why ice floats on water?

Correct answer: c

Rationale: Buoyancy is the upward force exerted by a fluid (like water) on an object immersed in it. Ice floats on water because it is less dense than water, experiencing an upward force (buoyancy) greater than its weight.

5. Maintaining good muscle strength and flexibility as we age becomes important to avoid:

Correct answer: B

Rationale: The correct answer is B: 'Falls.' Maintaining good muscle strength and flexibility as we age is crucial for preventing falls, which become more common with age and can lead to serious injuries such as fractures. Strong muscles and good flexibility help in maintaining balance and stability, reducing the risk of falls. Headaches, anxiety, and the common cold are not directly related to muscle strength and flexibility, making them less likely to be avoided by focusing on these aspects of physical health.

6. What type of bone is the kneecap (patella)?

Correct answer: B

Rationale: The correct answer is B: Short bone. The kneecap, or patella, is classified as a short bone because it is roughly cube-shaped and is composed of spongy bone enclosed by a thin layer of compact bone. Short bones provide support and stability with limited motion, making them ideal for protecting joints like the knee. Long bones are typically elongated, flat bones are thin and curved, and irregular bones have complex shapes. Understanding the classification of bones can help in identifying their functions and structural characteristics.

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