Identify the types of question used in the following dialogue.
Nurse: Is this your first time in hospital?
Nurse: How was it for you last time?
Patient: It was fine, just a simple operation. I’m more worried this time.
Nurse: What is it in particular that worries you?
Patient: Someone told me that what I’m having done is risky.
Nurse: Can you tell me a bit more about what you’ve heard?