Peculiar symptoms appearing before more definite symptoms:
a. aura
b. aurra
c. hora
Question 2
Which BEST describes a barium enema?
a. Iodine compound is given and x-rays are taken of the intestinal tract.
b. A fluorescent screen is used instead of a photographic plate to visualize images.
c. Metallic powder is introduced to the large intestine and x-rays are taken.
d. Radioactive substance is given and x-rays are taken.