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Nursing Elites

ATI TEAS 7

Physics

1. What kind of lens focuses parallel light rays to a single point?

Correct answer: B

Rationale: Convex lenses (converging lenses) bend incoming light rays inwards, focusing them to a point called the focal point.

2. Stretch marks occur when

Correct answer: C

Rationale: Stretch marks occur when the dermis layer tears due to rapid stretching. During periods of rapid growth or weight gain, the skin may stretch beyond its capacity, causing the dermis layer to tear and resulting in the formation of stretch marks. Inflammation or clogged sebaceous glands do not directly cause stretch marks, making options A, B, and D incorrect. It is important to understand the physiological process behind stretch marks to identify the correct answer.

3. What is the main function of the epiglottis, a small flap of cartilage located above the larynx?

Correct answer: B

Rationale: The correct answer is B: 'To control the passage of food and air.' The epiglottis is a crucial structure that prevents food and liquids from entering the airway during swallowing. It acts as a lid over the trachea, ensuring that food goes down the esophagus while air passes into the respiratory system. This function is essential for preventing choking and ensuring proper breathing. Options A, C, and D are incorrect as the epiglottis is not primarily responsible for warming and humidifying inhaled air, producing sound vibrations for speech, or sensing foreign objects.

4. What happens to the density of a substance if its mass increases while its volume remains constant?

Correct answer: a

Rationale: Density is the ratio of mass to volume. If the mass increases while the volume remains constant, the density will increase as there is more mass in the same volume.

5. When Harry uses team nursing as a care delivery system, he and his team need to assess the

Correct answer: C

Rationale: When Harry uses team nursing as a care delivery system, he and his team need to assess the medications and treatments required for all patients. In team nursing, different team members are responsible for specific aspects of patient care, such as medications and treatments. Assessing the medications and treatments required for all patients ensures that each patient receives appropriate and timely care. This approach helps in coordinating care effectively among team members and prevents errors or omissions in patient treatment. Therefore, option C is the correct answer as it aligns with the principles of team nursing and patient-centered care.

6. Which of the following is TRUE about functional nursing?

Correct answer: B

Rationale: The correct answer is B: "Emphasizes use of group collaboration." Functional nursing is a task-oriented approach where team members specialize in specific tasks or activities. In this model, nurses work together in groups to provide care to a larger number of patients efficiently. This differs from the one-to-one nurse-patient ratio (C) and the continuous, coordinated, and comprehensive nursing services (D). While functional nursing concentrates on tasks (A), the key feature emphasized in this care delivery model is the use of group collaboration to provide care effectively.

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