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