Nora has been complaining of abdominal pain. Often, the pain wakes her up at night. Her doctor suspects that she has ulcers. What diagnostic procedure is the doctor likely to use? A.
blood test
B.
endoscopy
C.
urine examination
D.
hemoccult test

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.