Which of these is an advantage of an mri over an x-ray? a. it produces better images of hard tissues. b. it requires large equipment. c. it shows only external structures. d. it uses no radiation.

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

If you are having a hard time lifting something, you should arch your back. a. true b. false

Acharacteristic associated with good social health is the ability to: a. get along well with others b. recognize your achievements c. do daily tasks without getting tired d. learn from your mistakes