ATI TEAS 7
Nursing Leadership and Management
1. Alexandra is tasked to organize the new wing of the hospital. She was given the authority to
- A. Benevolent –authoritative
- B. Consultative
- C. Exploitive-authoritative
- D. Participative
Correct answer: D
Rationale: The correct answer is D: Participative. In a participative leadership style, Alexandra would involve the team members in decision-making and encourage their input when organizing the new wing of the hospital. This approach fosters collaboration, empowers team members, and can lead to better outcomes as everyone's perspectives are considered. Benevolent-authoritative (A) involves a leader who is kind and caring but makes decisions independently. Consultative (B) involves seeking input from team members but making the final decision independently. Exploitive-authoritative (C) involves a leader who uses their authority in a self-serving or oppressive manner. In this scenario, with the task of organizing a new wing of the hospital, a participative approach would be most effective in engaging the team and utilizing their expertise.
2. The intricate network of blood vessels responsible for transporting blood throughout the body is the:
- A. Lymphatic system
- B. Circulatory system
- C. Nervous system
- D. Respiratory system
Correct answer: B
Rationale: The correct answer is B: Circulatory system. The circulatory system is responsible for transporting blood, oxygen, nutrients, and other substances throughout the body. It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood. The lymphatic system (A) is a separate system that helps to maintain fluid balance in the body and plays a role in the immune response. The nervous system (C) is responsible for transmitting signals between different parts of the body and the brain. The respiratory system (D) is responsible for the exchange of oxygen and carbon dioxide in the body through breathing. In this question, the circulatory system is specifically mentioned as the network of blood vessels responsible for transporting blood, making it the correct answer.
3. What is the process of converting lactic acid back into pyruvate called?
- A. Glycolysis
- B. Gluconeogenesis
- C. Cori cycle
- D. Oxidative phosphorylation
Correct answer: C
Rationale: Rationale: A) Glycolysis is the process of breaking down glucose into pyruvate. B) Gluconeogenesis is the process of synthesizing glucose from non-carbohydrate sources. C) The Cori cycle is the process by which lactic acid produced by anaerobic metabolism in muscles is transported to the liver and converted back into glucose or pyruvate. D) Oxidative phosphorylation is the process by which ATP is synthesized using energy derived from the transfer of electrons in the electron transport chain.
4. What transport mechanism uses vesicles to move materials within the cell?
- A. Endocytosis
- B. Active transport
- C. Diffusion
- D. Exocytosis
Correct answer: A
Rationale: The correct answer is A: Endocytosis. Endocytosis is a transport mechanism in which cells take in molecules or particles by engulfing them in a vesicle. This process allows materials to be transported within the cell. Active transport (option B) requires energy to move molecules across the cell membrane against their concentration gradient. Diffusion (option C) is the movement of molecules from an area of high concentration to an area of low concentration. Exocytosis (option D) is the process by which cells release substances from vesicles into the extracellular environment. Therefore, endocytosis is the transport mechanism that uses vesicles to move materials within the cell.
5. In meiosis, how many divisions occur, and how many daughter cells are produced?
- A. One division, two daughter cells
- B. Two divisions, four daughter cells
- C. Four divisions, eight daughter cells
- D. Eight divisions, sixteen daughter cells
Correct answer: B
Rationale: Rationale: In meiosis, there are two divisions: meiosis I and meiosis II. During meiosis I, homologous chromosomes separate, resulting in two daughter cells with half the number of chromosomes as the parent cell. In meiosis II, sister chromatids separate, resulting in a total of four daughter cells, each with a haploid set of chromosomes. Therefore, meiosis involves two divisions and produces four daughter cells.
6. Which of the following is the basic unit of the nervous system?
- A. Neuron
- B. Nerve
- C. Ganglion
- D. Neuroglia
Correct answer: A
Rationale: Rationale: Neurons are the basic structural and functional units of the nervous system. They are specialized cells that transmit information through electrical and chemical signals. Nerves are bundles of neurons, ganglia are clusters of nerve cell bodies outside the central nervous system, and neuroglia are support cells for neurons. However, neurons are specifically responsible for transmitting and processing information in the nervous system, making them the basic unit of this system.
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