Airline passengers don't review the preflight checklist with the pilot, and restaurant customers aren't expected to check the kitchen and the staff for cleanliness.
But many health care experts say it's wise for hospital patients and their families to ask doctors and nurses to wash their hands, remove unnecessary catheters and explain how they will prevent an infection from developing after surgery.
The advice is an acknowledgement of reality: A hospital can be a dangerous place to spend the night.
Comprehensive infection control is more goal than fact at most hospitals. On hand-washing alone, for example, health care workers comply only about half the time, studies have shown. And one in 20 patients will acquire an infection while in the hospital.
Even so, speaking up for yourself in that setting is not an easy thing to do.
"No one wants to be confrontational with the person you hope will save your life," said Dr. Michael Bell, acting director of the division of health care quality promotion at the U.S. Centers for Disease Control and Prevention in Atlanta.
Nonetheless, Bell and other experts advise patients and their families to be vigilant.
"There are too many harmful things and bad bugs that can hurt you," said Victoria Nahum, an advocate for patient safety whose family faced three hospital-acquired infections in one 10-month period about seven years ago. Hospitals have been on a quest to become safer since 1999, when the Institute of Medicine stunned the medical world with its publication of "To Err Is Human." That study found that tens of thousands of patients died every year from medical mistakes.