1. What are the three main levels of health care delivery systems, and what are their main functions? Answer: The three main levels of health care delivery systems are primary, secondary, and tertiary. Primary care refers to the first point of contact for patients with common health problems, such as family physicians, nurse practitioners, or community health workers. Secondary care refers to specialized services that require referral from primary care providers, such as surgeons, cardiologists, or psychiatrists. Tertiary care refers to highly specialized and complex services that are usually provided in hospitals or academic medical centers, such as organ transplants, neurosurgery, or intensive care units. 2. What are some of the advantages and disadvantages of a single-payer health care system, compared to a multi-payer system? Answer: A single-payer health care system is one where the government or a public agency pays for all health care costs, while a multi-payer system is one where multiple entities, such as private insurers, employers, or individuals, pay for health care costs. Some of the advantages of a single-payer system are lower administrative costs, universal coverage, equity, and bargaining power. Some of the disadvantages of a single-payer system are higher taxes, potential rationing, lack of choice, and reduced innovation. 3. What are some of the factors that influence health disparities among different populations? Answer: Health disparities are differences in health outcomes or access to health care that are related to social, economic, or environmental factors. Some of the factors that influence health disparities are income, education, race/ethnicity, gender, age, geography, disability status, sexual orientation, and immigration status. 4. What are some of the roles and responsibilities of a nurse manager in a health care organization? Answer: A nurse manager is a leader who oversees a unit or department of nurses and other staff in a health care organization. Some of the roles and responsibilities of a nurse manager are planning, organizing, directing, controlling, evaluating, budgeting, staffing, communicating, mentoring, problem-solving, quality improvement, patient safety, and ethical decision-making.