1.2 Stimuli and Responses in Humans (Ear and Nose)

Multiple Choice

Which part of the ear collects and directs sound waves into the ear canal?

• Cochlea

• Eardrum

• Earlobe

• Oval window

Multiple Choice

Which structure vibrates according to the frequency of sound waves?

• Ear canal

• Eardrum

• Ossicles

• Semicircular canals

Multiple Choice

Which part of the middle ear amplifies sound vibrations?

• Cochlea

• Ossicles

• Eustachian tube

• Semicircular canals

Multiple Choice

Which below is the function of cochlea?

• Detects and converts sound vibrations into nerve impulses

• Collects and directs sound waves into the ear canal

• Directs sound waves to the eardrum

• Amplify sound vibrations and transfer them to the oval window

Multiple Select

Which below are parts of middle ear?

• Eardrum

• Oval window

• Eustachian tube

• Ossicles

Fill in the Blanks

Multiple Choice

Where are the sensory cells for smell located?

• At the roof of the nasal cavity

• On the nostrils

• On the tongue

• In the throat

Multiple Choice

What must happen before the sensory cells for smell can detect a smell?

• The brain produces mucus

• Chemical substances dissolve in mucus

• Air stops entering the nose

• The tongue identifies flavours