Critical Thinking

A nurse is teaching a group of nursing students about the components of critical thinking. Which of the following statements by a student indicates a need for further teaching?

A nurse is caring for a client who has a fever, cough, and shortness of breath. The nurse suspects that the client has pneumonia and orders a chest x-ray and blood cultures. Which of the following actions by the nurse demonstrate critical thinking?

A nurse is working in an emergency department and receives a call from a paramedic who is transporting a client who was involved in a motor vehicle crash. The paramedic reports that the client has multiple injuries, including a head trauma, chest trauma, and abdominal bleeding. The nurse prepares to receive the client and triage him accordingly. Which of the following statements by the nurse reflects critical thinking?

A nurse is reviewing the laboratory results of a client who has diabetes mellitus and is receiving insulin therapy. The nurse notices that the client's blood glucose level is 250 mg/dL, which is higher than the target range. The nurse decides to increase the dose of insulin for the next administration. Which of the following statements by the nurse indicates a lack of critical thinking?

A nurse is conducting a research project on the effectiveness of an educational intervention on improving critical thinking skills among nursing students. The nurse uses a pretest-posttest design with a control group and an experimental group. The experimental group receives the intervention, while the control group does not. The nurse administers a standardized test of critical thinking skills to both groups before and after the intervention. Which of the following steps in the nursing process does this research project illustrate?