Correct Answer: C

Rationale: The correct order to prepare NPH 20 units and regular insulin 2 units using the same syringe is to start by rotating the NPH vial, then injecting 20 units of air into the NPH vial. Next, inject 2 units of air into the regular insulin vial, followed by withdrawing the regular insulin. Finally, withdraw 20 units of NPH. This sequence ensures proper mixing and preparation of the insulin doses. Choices A, B, and D have incorrect sequences that may lead to incorrect dosages or inadequate mixing of the insulins.

Correct Answer: A

Rationale: The correct answer is A: Trait theories. The nurse describing the unit manager as 'a born leader' aligns with trait theories of leadership, which suggest that certain inborn characteristics or traits contribute to effective leadership. This theory emphasizes that leaders possess natural qualities that make them suitable for leadership roles. Choices B, C, and D are incorrect. Behavioral theories focus on the actions and behaviors of leaders, formal leadership theories emphasize organizational structure and roles, and democratic leadership theories pertain to a style of leadership that involves participative decision-making.

Correct Answer: C

Rationale: The correct answer is C, 'Self-actualization.' Self-actualization, the highest level in Maslow's hierarchy, involves developing one's full potential and achieving personal growth. It is considered rarely met because it requires a deep understanding of oneself, a strong sense of purpose, and the ability to pursue intrinsic goals. Esteem (choice A) focuses on respect, recognition, and self-esteem, which are more commonly achieved than self-actualization. Safety (choice B) and belongingness (choice D) are also more commonly attained as they relate to basic needs for security and social connections, which are essential for overall well-being.

Correct Answer: C

Rationale: The primary function of discipline is to teach individuals appropriate behavior and help them learn from their mistakes. Discipline is meant to guide individuals towards self-improvement and understanding of rules and expectations. Choices A, B, and D are incorrect because discipline is not primarily about punishment, evaluation, or ridicule. While consequences may be a part of discipline, the main goal is to educate and promote positive behavior.

Correct Answer: B

Rationale: Surveys are one of the most effective tools to determine reasons for turnover because they allow employees to provide feedback anonymously, leading to more truthful responses. While questioning can be part of the process, surveys provide a structured and standardized way to collect data. Employee forums may not always elicit honest responses due to peer pressure or fear of repercussions. Telephone calls may not reach all employees and do not guarantee anonymity, potentially leading to biased or incomplete information.