Figure 33.21 (part 2)

Use the accompanying figure to answer the following question.
-The bones that amplify sound reaching the eardrum are indicated by the letters ____.
A) A and B
B) A, B, and C
C) B and C
D) C and D
E) C, D, and F

Question

Figure 33.21 (part 2)
  
Use the accompanying figure to answer the following question.
-The bones that amplify sound reaching the eardrum are indicated by the letters ____.
A) ​A and B 
B) ​A, B, and C 
C) ​B and C 
D) ​C and D 
E) ​C, D, and F

Quizplus · Accepted Answer

The bones that amplify sound reaching the eardrum are the malleus (A), incus (B), and stapes (C), as indicated by the letters in the figure. Therefore, the best choice is B, which includes all three of these bones.

Figure 33.21 (Part 2)