Outer Ear=
Acoustic
Electrical
Mechanical
Chemical
What are the 3 smallest bones in the body called?
Auricles
Ossicles
Ventricles
Middle Ear=
Mechanical
Acoustic
Chemical
Electrical
Inner Ear=
Chemical
Acoustic
Mechanical
Electrical
Which is NOT one of the 3 liquid-filled sections of the cochlea?
scala tympani
scala media
scala vestibule
scala eustachia
Frequency is to Pitch as Intensity is to _____.
Loudness
The ear develops in the ____ trimester of pregnancy.
1st
3rd
2nd
Pre-embryonic stage:
4-8 weeks
fertilization-3 weeks
9 weeks-term
Embryonic stage:
9 weeks-term
fertilization-3 weeks
4-8 weeks
Fetal stage:
fertilization-3 weeks
4 weeks-8 weeks
9 weeks-term
Which is NOT one of the 3 germ layers?
ectoderm
endoderm
periderm
mesoderm
The ECTODERM forms all of the following EXCEPT:
heart
cochlea
olfactory tissue
neural tissue
The MESODERM forms all of the following EXCEPT:
kidneys
connective tissue
retina
muscle
The ENDODERM forms all of the following EXCEPT:
respiratory system
epithelial lining of the eustachian tube
middle ear cavity
skin
Genetic causes contribute to HL in what percentage of cases?
50%
10%
30%
70%
The fundamental physical and functional units of heredity:
Genes
