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Nursing Elites

ATI TEAS 7

Mathematics

1. Which of the following numbers is a perfect square?

Correct answer: D

Rationale: A perfect square is a number obtained by squaring an integer. 16 is the result of squaring 4 (4 x 4 = 16). The other answer choices are not the product of squaring any whole number.

2. The gradual change in a species over time is called:

Correct answer: B

Rationale: Rationale: - Adaptation refers to the process by which a species becomes better suited to its environment over time. While adaptation is a component of evolution, it specifically refers to the changes that help a species survive and reproduce in its environment. - Speciation is the process by which new species arise from a single ancestral species. It involves the evolution of reproductive isolation between populations. - Natural selection is a mechanism of evolution where individuals with advantageous traits are more likely to survive and reproduce, leading to the increase in frequency of those traits in a population. - Evolution is the gradual change in a species over time, encompassing all the processes such as adaptation, speciation, and natural selection that drive these changes.

3. How is power related to energy?

Correct answer: b

Rationale: Energy is related to the amount of work done or the capacity to do work, while power measures the rate at which work is done or energy is transferred.

4. Adipose tissue, commonly known as fat, primarily functions in:

Correct answer: D

Rationale: The correct answer is D, 'All of the above.' Adipose tissue, or fat, serves multiple functions in the body. It provides support by cushioning and protecting organs, acts as an insulation layer to maintain body temperature, and serves as a crucial energy storage site where excess energy is stored in the form of triglycerides. Therefore, all of the options listed (support, insulation, and energy storage) are accurate functions of adipose tissue.

5. What is the process by which lighter nuclei fuse to form heavier nuclei, releasing a large amount of energy?

Correct answer: B

Rationale: Fusion is the process by which lighter nuclei combine to form heavier nuclei, releasing a large amount of energy in the process. This process is the source of energy in stars, including our Sun, and is different from fission, which involves the splitting of heavier nuclei into lighter nuclei. Radioactivity refers to the emission of particles or radiation from the nucleus of an unstable atom, while a chain reaction is a self-sustaining reaction where the products of one reaction cause further reactions.

6. Which type of epithelium lines the inner surface of blood vessels?

Correct answer: A

Rationale: The correct answer is A. Simple squamous epithelium lines the inner surface of blood vessels due to its thin structure and ability to facilitate easy diffusion of gases and nutrients between blood and surrounding tissues. This type of epithelium is well suited for areas where rapid exchange of materials is important, such as the lining of blood vessels. Simple columnar epithelium is typically found in areas where absorption and secretion occur, like the lining of the intestines. Stratified squamous epithelium is more commonly found in areas subject to wear and tear, such as the skin. Stratified columnar epithelium is not typically found in the inner surface of blood vessels, making it an incorrect choice.

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