Answer to Question 1
3
Rationale 1: Is the best method for improving the life of caregivers of individuals with Alzheimer's disease known? is incorrect because it suggests a study's purpose, is not empirically testable, and does not identify variables.
Rationale 2: What will decrease the recovery time of clients who are undergoing a major surgical procedure? is incorrect because it suggests a study's purpose and does not identify variables.
Rationale 3: Is music as effective as beta blockers in improving cardiac output? is correct because it includes variables, a population, and is empirically testable.
Rationale 4: What will increase the quality of life of terminally ill clients? is incorrect because it suggests a study's purpose and does not identify variables.
Answer to Question 2
1
Rationale 1: Demonstrating that saline is equally effective as heparin solution in keeping intravenous locks patent is most likely based upon a nurse's personal experience because it addresses a first-hand experience of nursing practice.
Rationale 2: Determining whether a proposition that centeredness of decision-making varies throughout the course of an adult client's hospitalization applies to clients over the age of 67 is incorrect because the source of that problem is most likely a theory.
Rationale 3: Establishing that a nursing intervention is just as effective in an acute care setting as it was in a clinic is incorrect because the source of that problem is most likely previous research.
Rationale 4: Proposing that nursing as it was practiced at the time of Florence Nightingale is evident in nursing as it was practiced in the 20th century is incorrect because the most likely source for the problem is literature.