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Nursing Elites

ATI TEAS 7

Anatomy

1. Lymph nodes are small, bean-shaped structures found along lymphatic vessels. What is their primary function?

Correct answer: C

Rationale: The correct answer is C. Lymph nodes are crucial components of the immune system. Their primary function is to filter lymph, which is a clear fluid containing white blood cells, and to fight off infections. Lymph nodes contain specialized cells that help trap and destroy pathogens, such as bacteria and viruses, that may be present in the lymph fluid. This process helps to prevent the spread of infections throughout the body and plays a key role in maintaining overall immune function. Therefore, option C, 'To filter lymph and fight infection,' is the most appropriate description of the primary function of lymph nodes.

2. Which pronoun correctly replaces the underlined phrase in the sentence: "Jessica invited Sarah and me to the party, but I forgot to respond to her."

Correct answer: C

Rationale: "Ours" clarifies that the response forgetting was a joint action by Jessica and the speaker.

3. Which of the following is NOT a mechanism of evolution?

Correct answer: C

Rationale: Rationale: A) Natural selection is a mechanism of evolution where individuals with advantageous traits are more likely to survive and reproduce, passing on those traits to the next generation. B) Genetic drift is a mechanism of evolution that occurs due to random changes in allele frequencies in a population. C) Lamarckism, also known as the inheritance of acquired characteristics, is a discredited theory that suggests organisms can pass on traits acquired during their lifetime to their offspring. This mechanism has been largely rejected by the scientific community. D) Mutation is a mechanism of evolution that introduces new genetic variation into a population, which can lead to the emergence of new traits and adaptations over time.

4. Julius plans to revisit the organizational chart of the department. He plans to create a new

Correct answer: B

Rationale: The correct answer is B: 'Solid line.' In organizational charts, solid lines typically represent formal reporting relationships, indicating direct authority and responsibility between positions. Creating a new solid line on the chart would signify a new formal reporting relationship within the department. This can be important for clarifying roles, communication channels, and decision-making processes. Boxes represent positions or roles in the organizational structure, while broken lines and dotted lines are typically used for informal relationships or advisory roles, rather than formal reporting relationships.

5. You need to repaint a cylindrical water tank with a diameter of 2 meters and a height of 3 meters. Assuming one can of paint covers 10 sq m, how many cans do you need (consider only the exterior surface)?

Correct answer: C

Rationale: Calculate the surface area of the cylinder and divide by the coverage area per can.

6. Which force causes an object to move in a circular path?

Correct answer: c

Rationale: Centripetal force is the force that acts towards the center of a circular path, keeping an object in circular motion.

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