which of the following answer choices is spelled correctly
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ATI TEAS 7

TEAS English Questions

1. Which of the following answer choices is spelled correctly?

Correct answer: A

Rationale: The correct spelling is 'intrude,' which means to enter a place or situation where one is unwelcome or not invited. The other answer choices, 'aclimate,' 'wisen,' and 'alude,' are misspelled. 'Aclimate' should be spelled as 'acclimate,' meaning to become accustomed to a new climate or environment. 'Wisen' is likely intended to be 'wisen' but is not a recognized word. 'Alude' should be spelled as 'allude,' meaning to suggest or call attention to indirectly.

2. Which property of a wave remains constant when it crosses a boundary between two different media?

Correct answer: D

Rationale: When a wave crosses a boundary between two different media, its speed is the property that remains constant. This is due to the principle of conservation of energy. While the frequency and wavelength of a wave may change as it moves from one medium to another, the speed of the wave remains constant. This phenomenon is a result of the wave adjusting its frequency and wavelength to maintain a consistent speed in different media. Therefore, choices A, B, and C are incorrect. Frequency and wavelength may change when a wave moves across media, and amplitude may also be affected by the medium, but the speed of the wave will remain constant.

3. A car brakes to a stop on a level road. Which of the following forces does NOT do work on the car?

Correct answer: B

Rationale: The normal force from the road does not do work on the car because it is perpendicular to the direction of motion. Work is defined as force applied in the direction of motion, so the normal force, which acts perpendicular to the motion of the car, does not contribute to the work done on the car. The braking force applied by the wheels, the gravitational force on the car, and the friction force between the tires and the road all act in the direction of motion and contribute to the work done on the car. In this scenario, the normal force is supporting the weight of the car and keeping it from sinking into the road, but it does not transfer energy to the car as it moves.

4. Which type of capillary is the most common and least permeable?

Correct answer: C

Rationale: The correct answer is C, continuous capillaries. Continuous capillaries are the most common and least permeable type of capillary. They are found in most tissues, including muscle and the nervous system. Continuous capillaries have a continuous endothelium without fenestrations or large gaps, which limits the movement of substances across their walls. Choice A, fenestrated capillaries, have pores (fenestrations) in their endothelial cells, making them more permeable than continuous capillaries. Choice B, sinusoidal capillaries, have a discontinuous endothelium with large gaps between cells, making them more permeable and allowing larger molecules and cells to pass through compared to continuous capillaries. Choice D, discontinuous capillaries, are similar to sinusoidal capillaries with a discontinuous endothelium, allowing for enhanced permeability compared to continuous capillaries.

5. What are the fundamental units of structure and function in all living organisms, including humans, termed?

Correct answer: D

Rationale: Cells are the fundamental units of structure and function in all living organisms. They are the basic building blocks of life and carry out essential functions necessary for an organism to survive and function properly. Muscles, organs, and tissues are composed of cells, but cells are the smallest unit that can carry out all the functions of life. Muscles are made up of muscle tissue, which in turn is composed of muscle cells. Organs are structures made up of different types of tissues working together, and tissues are groups of cells with a similar structure and function. Therefore, while muscles, organs, and tissues are important components of living organisms, cells are the fundamental units that perform all the vital functions of life.

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