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The Human Ear (Grade 10)

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The Human Ear

Use the diagram of the human ear below to answer questions.
Ear Diagram
1. 
Name the structure of the ear represented by each letter on the diagram.

A:                                                               

B:                                                               

C:                                                               

D:                                                               

E:                                                               

F:                                                               

G:                                                               

H:                                                               

I:                                                                 

J:                                                                 

K:                                                                 

L:                                                                   
2. 
Which structure connects the ear to the nasopharynx, or the part of the throat located behind the nose?
  1. E
  2. F
  3. H
  4. L
3. 
Which part of the ear consists of several fluid filled tubes arranged at about right angles to one another?
  1. D
  2. E
  3. F
  4. G
4. 
Which letter represents the part of the ear covered by a membrane and provides an opening into the inner ear?
  1. F
  2. H
  3. I
  4. K
5. 
Which letter represents the membrane that divides the outer and middle ear?
  1. D
  2. G
  3. I
  4. K
6. 
Which letters correctly identifies two structures found in the inner ear?
  1. B and C
  2. D and G
  3. H and J
  4. K and L
7. 
Which letters represent the auditory ossicles?
  1. A, B, C
  2. E, F, H
  3. G, J, K
  4. D, I, L
8. 
Which of the following is true about structure G?
  1. It helps maintain dynamic equilibrium or balance.
  2. It is a tube that helps maintain normal pressure in the ear.
  3. It contains the organ of Corti, the sensory organ of hearing.
  4. It is a nerve which brings signals from the inner ear to the brain.
9. 
Which of the following best describes a function of the part of the ear represented by the letter L?
  1. Sound is amplified in here
  2. Sound waves enter the ear through here
  3. It is a nerve that carries impulse signals to the brain
  4. It protected the ear from potentially damaging noises

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