Correct Answer: C

Rationale: The correct answer is C. After the Vietnam War, many nurses felt frustrated with the lack of independent functioning when they returned home. This challenge was faced by the profession of nursing as nurses who functioned independently in mobile hospital units during the war found themselves restricted in their practice upon returning. Choices A, B, and D are incorrect because they do not address the specific challenge of lack of independent functioning faced by nurses after the Vietnam War.

Correct Answer: C

Rationale: The primary goal of evidence-based practice (EBP) is to enhance clinical decision making by integrating the best available evidence with clinical expertise and patient values. While improving patient outcomes is a significant result of EBP, the ultimate aim is to ensure that healthcare decisions are based on the most current, relevant, and reliable evidence. While reducing healthcare costs and ensuring patient safety are important in healthcare, they are not the primary goals of evidence-based practice.

Correct Answer: C

Rationale: The correct answer is 'C: Ambiguity.' The rationale behind this is that the provided list of characteristics that successful change agents demonstrate includes 'realistic thinking' as one of the traits, not 'ambiguity.' Therefore, 'A: Energy,' 'B: Confidence,' and 'D: Trustworthiness' are not among the characteristics mentioned in the extract.

Correct Answer: C

Rationale: The correct answer is C. After the Vietnam War, many nurses felt frustrated with the lack of independent functioning when they returned home. This challenge was faced by the profession of nursing as nurses who functioned independently in mobile hospital units during the war found themselves restricted in their practice upon returning. Choices A, B, and D are incorrect because they do not address the specific challenge of lack of independent functioning faced by nurses after the Vietnam War.

Correct Answer: C

Rationale: Incompetence jeopardizes patient safety. Therefore, the formal process for handling these practices should be followed.