A physician suspects his patient has meningitis due to enterovirus. The viral culture of the cerebrospinal fluid is negative. What additional specimen type might you receive for confirmation of the original diagnosis?

Which of the following is an appropriate question to ask of an elderly patient who lives alone?

A) "Are you sure you are capable of taking care of yourself?" B) "Isn't there anyone who could move in with you to help you?" C) "Is there someone you can call if you have trouble with your medications tonight?" D) "Don't you know living alone is dangerous at your age?"

National EMS organizations estimate that as many as ___ percent of workers have sustained back injuries

a. 5 b. 10 c. 50 d. 80