Correct Answer: A

Rationale: Hand hygiene is considered the most effective method for preventing the spread of diseases. Regular handwashing with soap and water for at least 20 seconds can help remove germs and reduce the risk of infections. While vaccination, quarantine, and the use of personal protective equipment are also important in disease control, hand hygiene is fundamental and easily accessible for everyone to practice in daily life.

Correct Answer: B

Rationale: Low literacy levels among patients present a common challenge in promoting health literacy. When individuals have low literacy levels, it becomes difficult for them to understand health information, leading to barriers in effectively promoting health literacy.

Correct Answer: B

Rationale: Conducting the Time Out is a crucial safety step that occurs immediately before the start of the procedure, but it is not usually part of the preoperative checklist. The Time Out involves verifying patient identity, correct procedure, correct site, and addressing any concerns or questions with the surgical team before proceeding. The other options, such as assessing for allergies, ensuring informed consent, and completing the history and physical examination, are typically included in the preoperative checklist to ensure patient safety and readiness for surgery.

Correct Answer: B

Rationale: The correct answer is B: 'Encouraging healthy behaviors.' Health promotion focuses on empowering individuals and communities to take control of their health by promoting healthy behaviors and lifestyles. This approach involves education, creating supportive environments, and advocating for policies that enhance well-being. It goes beyond simply treating illness or preventing diseases, emphasizing a proactive and holistic approach to achieving and maintaining good health.

Correct Answer: A

Rationale: A major focus of community health nursing is providing care to individuals and families within the community setting. Community health nurses often work directly with individuals and families to promote health, prevent disease, and provide education and support tailored to their specific needs. This direct care approach is a fundamental aspect of community health nursing practice.