The combining form calcane/o- means ________; heel bone. Fill ...

[stevenposner]

The combining form calcane/o- means ________; heel bone.
 
  Fill in the blank(s) with correct word

Question 2

On an x-ray, an area of low density is said to be ________.
 
  A) radiolucent
  B) radiopaque
  C) translucent
  D) transopaque

[abctaiwan]

Answer to Question 1

calcaneus

Answer to Question 2

A
Explanation: A) Correct Air (in a body cavity or the lungs) has a low density, and x-rays pass through it, creating a nearly black area on the x-ray plate.
B) An area of low density is not radiopaque.
C) An area of low density is not said to be translucent.
D) There is no such word as transopaque.