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Nursing Elites

ATI TEAS 7

Anatomy

1. Centrioles are structures involved in cell division. What is their specific role?

Correct answer: C

Rationale: Centrioles are cylindrical structures found in animal cells that play a crucial role in organizing microtubules during cell division. They form the spindle fibers that help separate chromosomes during mitosis and meiosis. This organization is essential for the proper alignment and separation of chromosomes, ensuring accurate distribution of genetic material to daughter cells. Centrioles do not participate in forming the nuclear envelope, replicating DNA, or protein synthesis. Therefore, the correct answer is C, as centrioles are primarily involved in microtubule organization to facilitate cell division.

2. You need to buy cardboard to cover a rectangular box with dimensions 40cm by 30cm by 25cm. Considering only the exterior surfaces (not flaps or openings), how much cardboard do you need (assume one sheet covers 0.5 sq m)?

Correct answer: C

Rationale: Calculate the areas of each side and add them up for the total surface area. Divide by the coverage area per sheet to determine the number of sheets needed.

3. What is the phenomenon responsible for the mirage effect seen in deserts?

Correct answer: B

Rationale: Mirages occur due to the refraction of light by layers of air with different temperatures and densities, bending the light rays and creating the illusion of water on the horizon.

4. A rocket engine expels hot gases backwards. What principle explains the rocket's forward motion?

Correct answer: C

Rationale: The hot gases expelled backwards exert a force on the rocket in the opposite direction (forward), propelling it upwards according to the action-reaction principle.

5. What type of energy is possessed by an object due to its position or configuration?

Correct answer: c

Rationale: Potential energy is the energy possessed by an object due to its position or state.

6. What is the medical term for a urinary tract infection (UTI)?

Correct answer: D

Rationale: The correct answer is D, 'All of the above.' A urinary tract infection (UTI) can affect different parts of the urinary system. Nephritis refers to inflammation of the kidneys, cystitis refers to inflammation of the bladder, and urethritis refers to inflammation of the urethra. Therefore, all of these terms can be used to describe a UTI depending on which part of the urinary tract is affected. It's important to differentiate between these terms to accurately diagnose and treat UTIs.

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