Biologicial agent that attaches itself to health cells is a virus

The most effective way to provide children with safety messages is to a. not allow them to explore new environments. b. role play what not to do. c. clearly explain the correct way to do things. d. have a safety-themed day once each year.

Which of the following is not a common cause for exercise related injury? a. overeating b. being dehydrated c. being active in an unsafe enviroment d. not wearing the proper clothes or protective gear

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis