ATI TEAS 7
Nursing Leadership and Management
1. She surfs the internet for more information about leadership styles. She reads about shared
- A. Leadership behavior is generally determined by the relationship between the leader’s
- B. Leaders believe that people are basically good and need not be closely controlled
- C. Leaders rely heavily on visioning and inspire members to achieve results
- D. Leadership is shared at the point of care.
Correct answer: B
Rationale: The correct answer is B because the statement 'Leaders believe that people are basically good and need not be closely controlled' aligns with the concept of shared leadership. Shared leadership involves distributing leadership responsibilities and authority among team members based on the belief that everyone has valuable contributions to make. This approach fosters a sense of trust and empowerment within the team, allowing individuals to take initiative and collaborate effectively. In contrast, option A refers to leadership behavior being determined by the relationship between the leader and followers, which is not directly related to the concept of shared leadership. Option C emphasizes visioning and inspiration, which are important aspects of leadership but do not specifically address the shared nature of leadership. Option D mentions leadership being shared at the point of care, which is too specific and does not encompass the broader concept of shared leadership.
2. What term describes the point where parallel rays of light converge or appear to diverge from after passing through a lens or reflecting off a mirror?
- A. Aperture
- B. Focal length
- C. Refractive index
- D. Lens thickness
Correct answer: B
Rationale: The focal length is the term that describes the point where parallel rays of light converge or appear to diverge from after passing through a lens or reflecting off a mirror. It is a crucial parameter in optics and is used to determine the magnification and image formation in optical systems. The other options (A) Aperture, (C) Refractive index, and (D) Lens thickness are not directly related to the point where parallel rays of light converge or appear to diverge.
3. Delta waves, associated with deep sleep, exhibit what frequency range?
- A. 0.5-4 Hz
- B. 4-8 Hz
- C. 8-13 Hz
- D. 13-30 Hz
Correct answer: A
Rationale: Delta waves are slow brainwaves that are typically associated with deep sleep stages, such as stages 3 and 4 of non-REM sleep. These waves have a frequency range of 0.5-4 Hz, making option A the correct answer. During deep sleep, the brain slows down significantly, and delta waves are prominent on an electroencephalogram (EEG). The frequency range of 4-8 Hz corresponds to theta waves, which are more commonly observed during light sleep or drowsiness. Alpha waves fall within the 8-13 Hz range and are typically seen when an individual is awake but relaxed. Beta waves, ranging from 13-30 Hz, are associated with alertness and active thinking. Therefore, option A is the correct choice for delta waves, reflecting their slow frequency characteristic during deep sleep.
4. What is the Doppler effect, and how does it explain the shift in frequency of sound waves perceived by an observer?
- A. It only affects light waves, not sound waves.
- B. It's the change in wave speed due to medium density.
- C. It's the perceived change in frequency due to relative motion.
- D. It's the bending of waves due to different mediums.
Correct answer: C
Rationale: The Doppler effect describes how the perceived frequency of a wave changes depending on the relative motion between the source and observer. For example, an approaching siren sounds higher pitched due to compressed wavefronts, while a receding siren sounds lower due to stretched wavefronts.
5. A routine urinalysis is a common diagnostic test. What does a urinalysis typically evaluate?
- A. Blood sugar levels
- B. Presence of white blood cells (indicating possible infection)
- C. Kidney function
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' A routine urinalysis is a comprehensive test that evaluates various aspects of urine to provide insights into overall health. Blood sugar levels can be assessed to screen for diabetes or monitor diabetes management. The presence of white blood cells in the urine can indicate a possible infection in the urinary tract. Additionally, kidney function can be evaluated by examining factors such as protein levels, creatinine, and electrolytes in the urine. Therefore, a urinalysis typically evaluates blood sugar levels, presence of white blood cells (indicating possible infection), and kidney function, making 'All of the above' the correct choice.
6. The process by which a cell divides to produce two daughter cells is called:
- A. Mitosis
- B. Meiosis
- C. Differentiation
- D. Transformation
Correct answer: A
Rationale: The correct answer is A: "Mitosis." Mitosis is the process of cell division in which a cell duplicates its chromosomes and divides into two identical daughter cells. This is a crucial mechanism for growth, repair, and maintenance of multicellular organisms. Meiosis (option B) is a different type of cell division that produces gametes with half the number of chromosomes. Differentiation (option C) refers to the process by which cells become specialized for specific functions. Transformation (option D) is a term used in molecular biology to describe the uptake of foreign DNA by a cell. In this question, the specific process of cell division leading to the production of two daughter cells aligns with mitosis.
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