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Nursing Elites

ATI TEAS 7

physics

1. What is the relationship between work and energy?

Correct answer: d

Rationale: Work is the process that changes an object's energy from one form to another or transfers it from one object to another.

2. Which statement accurately describes the periodic trends in atomic radius?

Correct answer: A

Rationale: Moving down a group, additional electron shells increase the distance from the nucleus, leading to larger atomic radii. Moving across a period, the number of electron shells remains constant, but the increasing nuclear charge pulls electrons closer, resulting in smaller radii.

3. A major factor influencing the distribution of organisms geographically is:

Correct answer: D

Rationale: Rationale: The distribution of organisms geographically is influenced by a variety of factors, including the availability of specific types of food sources (option A). Organisms need to have access to suitable food sources in order to survive and thrive in a particular area. Additionally, the tolerance of organisms to different temperature ranges (option B) is crucial as temperature can greatly impact where certain species can live. Organisms must be able to withstand the temperature conditions of a given environment to survive there. Competition for mates within the same species (option C) can also play a role in the distribution of organisms, as it can affect population sizes and dynamics in different areas. Therefore, all of these factors - food availability, temperature tolerance, and competition for mates - collectively influence the distribution of organisms geographically.

4. Which organ plays a significant role in immune cell production and maturation?

Correct answer: C

Rationale: The correct answer is C: Bone marrow. The bone marrow is the primary site for the production and maturation of immune cells, including white blood cells, which are crucial for the body's immune response. Stem cells in the bone marrow differentiate into various types of immune cells, such as T cells, B cells, and natural killer cells, which play essential roles in fighting infections and diseases. While the liver and kidneys have other important functions in the body, such as filtering toxins and metabolizing substances, they are not directly involved in immune cell production and maturation. The spleen acts as a reservoir for blood and is involved in filtering blood and storing red blood cells but is not the primary site for immune cell production.

5. What is the relationship between work and energy?

Correct answer: d

Rationale: Work is the process that changes an object's energy from one form to another or transfers it from one object to another.

6. The kidneys are bean-shaped organs that perform several vital functions. Which of the following is NOT a primary function of the kidneys?

Correct answer: C

Rationale: The correct answer is C. While the kidneys perform multiple vital functions, such as filtering waste products from the blood, regulating blood pressure, and maintaining water balance in the body, they do not produce red blood cells. Red blood cell production occurs in the bone marrow, specifically in the spongy tissue called the red bone marrow. Therefore, the kidneys' primary functions do not include producing red blood cells.

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