what property of matter refers to the amount of space occupied by an object
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ATI TEAS 7

TEAS version 7 quizlet science

1. Which property of matter refers to the amount of space occupied by an object?

Correct answer: B

Rationale: Volume refers to the amount of space occupied by an object. It is a measure of the three-dimensional space that an object occupies. Mass, on the other hand, refers to the amount of matter in an object, weight is the force of gravity acting on an object, and density is the mass of an object per unit volume. In this context, volume is the most appropriate choice as it directly relates to the amount of space an object occupies.

2. A physician prescribes a drug to help control a person's anxiety attacks. This drug most likely targets the

Correct answer: A

Rationale: The correct answer is A: Amygdala. The amygdala is a key brain structure involved in the processing of emotions, including anxiety. Medications for anxiety disorders often target the amygdala to help regulate emotional responses and control anxiety attacks. The amygdala plays a crucial role in the brain's fear circuit and is essential for the appropriate response to stress and threat perception. Choices B, C, and D are incorrect because the parietal lobe is primarily involved in sensory processing and spatial reasoning, the hypothalamus regulates basic functions like hunger, thirst, and body temperature, and sensory neurons transmit signals from sensory receptors to the central nervous system, none of which are directly related to the regulation of anxiety attacks.

3. Which statement accurately describes the electron cloud model of the atom?

Correct answer: B

Rationale: The electron cloud model of the atom describes electrons as occupying specific energy levels around the nucleus with varying probabilities. This model does not suggest that electrons precisely orbit in defined paths as stated in option A. It acknowledges the wave-like behavior of electrons and their uncertainty in position, which is not accounted for in options C and D. Option C is incorrect as electrons are not clustered tightly within the nucleus but exist in the space surrounding the nucleus. Option D is incorrect as electrons do not move randomly throughout the entire atom but have specific probabilities of being found in different regions based on their energy levels. Therefore, option B is the most accurate description of the electron cloud model of the atom.

4. Which of the following is a MAJOR consequence of a stroke?

Correct answer: C

Rationale: A major consequence of a stroke is brain damage due to interrupted blood flow. Strokes occur when blood flow to the brain is blocked or reduced, leading to the death of brain cells. This interruption in blood flow results in brain damage, which can cause physical and cognitive impairments such as paralysis, speech difficulties, memory problems, and sensory disturbances. The severity and location of the stroke determine the extent of the consequences experienced by the individual. Choices A, B, and D are incorrect. Irregular heart rhythm is not a direct consequence of a stroke but may occur as a complication. Rapid weight gain or loss and chronic fatigue with muscle weakness are not typically considered major consequences of a stroke, which primarily affects the brain due to interrupted blood flow.

5. What determines the frequency of oscillations in a spring-mass system when the spring is stretched and released?

Correct answer: B

Rationale: The frequency of oscillations in a spring-mass system is determined by the stiffness of the spring (spring constant) and the mass of the object. The stiffness of the spring affects how quickly the system oscillates back and forth, while the mass of the object influences the inertia and therefore the frequency. The initial displacement of the object does not impact the frequency of oscillations. Choice A is incorrect because while the mass of the object affects the frequency, it is not the sole determining factor. Choice C is incorrect as the initial displacement affects the amplitude of oscillations, not the frequency. Choice D is incorrect as not all factors listed determine the frequency, making it an incorrect choice.

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