ATI TEAS 7
Nursing Leadership and Management
1. Julius plans to revisit the organizational chart of the department. He plans to create a new
- A. Box
- B. Solid line
- C. Broken line
- D. Dotted line
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.
2. Damage to which part of the brain can lead to difficulty with language and speech?
- A. Broca's area
- B. Wernicke's area
- C. Occipital lobe
- D. Cerebellum
Correct answer: A
Rationale: The correct answer is A: Broca's area. Broca's area, located in the frontal lobe of the brain, is crucial for language production. Damage to Broca's area can result in expressive aphasia, where individuals have difficulty speaking fluently and forming coherent sentences. Wernicke's area, located in the temporal lobe, is responsible for understanding and interpreting language. Damage to Wernicke's area can lead to receptive aphasia, where individuals have difficulty understanding language. The occipital lobe is primarily responsible for processing visual information, while the cerebellum is involved in motor coordination and balance, not language and speech.
3. A ball is thrown upwards. Which of the following statements is TRUE about its potential energy and kinetic energy at the peak of its trajectory?
- A. Both potential and kinetic energy are zero.
- B. Potential energy is maximum and kinetic energy is minimum.
- C. Potential energy is minimum and kinetic energy is maximum.
- D. Both potential and kinetic energy remain constant.
Correct answer: B
Rationale: At the peak, the ball momentarily stops moving, minimizing kinetic energy. However, it's still at its highest point, maximizing its potential energy due to gravity.
4. Which sentence uses the modal verb "should" correctly?
- A. You should have studied harder for the exam.
- B. I should be going now.
- C. She said she should have taken a different route.
- D. They should be arriving any minute now.
Correct answer: B
Rationale: Option B conveys an intention or expectation regarding the present or near future.
5. What are chromosomes made of?
- A. DNA and RNA
- B. DNA and proteins
- C. Proteins and carbohydrates
- D. DNA only
Correct answer: B
Rationale: Rationale: Chromosomes are structures found in the nucleus of cells that contain genetic material. They are made up of DNA (deoxyribonucleic acid), which carries the genetic information, and proteins that help in the organization and packaging of the DNA. While RNA is involved in various cellular processes, it is not a major component of chromosomes. Carbohydrates are not a significant component of chromosomes. Therefore, the most accurate answer is B) DNA and proteins.
6. What checkpoint mechanism ensures all chromosomes are attached to the spindle fibers before anaphase begins?
- A. Prometaphase
- B. Prometaphase
- C. Cyclin degradation
- D. Sister chromatid cohesion
Correct answer: A
Rationale: Rationale: A) Prometaphase is the correct answer because it is the stage of mitosis where all chromosomes are attached to the spindle fibers before anaphase begins. During prometaphase, the nuclear envelope breaks down, allowing the spindle fibers to attach to the kinetochores of the chromosomes. This attachment is necessary for proper chromosome alignment and segregation during anaphase. B) Metaphase is incorrect because it is the stage where chromosomes are aligned at the metaphase plate but do not necessarily have all spindle fibers attached. C) Cyclin degradation is incorrect because it is a regulatory mechanism that controls the progression of the cell cycle but is not specifically related to ensuring all chromosomes are attached to spindle fibers. D) Sister chromatid cohesion is incorrect because it refers to the physical connection between sister chromatids that is maintained until anaphase, but it does not ensure that all chromosomes are attached to spindle fibers.
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