Ch. 13 Special Senses Test Review

Which of the following is NOT a special sense?

• vision
• hearing
• smell
• touch

70% of all sensory receptors are located in the _.

• Eyes
• Ears
• Mouth
• Nose

The substance in tears that destroys bacteria is:

• lysozyme
• amylase
• lactase
• all of the above

Which is the following is NOT a function of tears?

• cleanse
• protect
• moisten & lubricate
• focus light

Which is the following is NOT a function of external eye muscles?

• allow eye movements
• maintains the shape of the eyeball
• holds the eye in the orbit
• controls the size of the pupil

What is the correct order of the passing of light through the eye?

• Cornea, lens, pupil, aqueous humor, vitreous humor, retina
• Lens, cornea, pupil, aqueous humor, vitreous humor, retina
• Pupil, cornea, lens, aqueous humor, vitreous humor, retina
• Cornea, aqueous humor, pupil, lens, vitreous humor retina

The sensory layer of the eye where light is focused is the:

• retina
• lens
• cornea
• pupil

The area of sharpest vision on the retina is the _.

• fovea centralis
• vitreous humor
• sclera
• lens

Which of the following photoreceptors allow us to see in gray tones in dim light?

• rods
• cones

Which of the following is true about images formed on the retina?

• smaller than the object
• in black and white
• blurry until the brain focuses them
• All of the above