Quiz on Special Senses

What are the special senses primarily involved in?

• Vision, hearing, balance, smell, and taste

• Touch, taste, smell, sight, and hearing

• Temperature, pressure, and pain

• Only vision and hearing

What do special sense receptors mainly consist of?

• Simple nerve endings

• Large, complex sensory organs or localized clusters of receptors

• Small muscle fibers

• Blood vessels

Which traditional sense is considered a mixture of general senses?

• Smell

• Taste

• Touch

• Hearing

What is the primary function of the lacrimal apparatus?

• To protect the eye from dust

• To produce tears

• To focus light onto the retina

• To control eye movements

What do tears contain that helps to destroy bacteria?

• Mucus

• Antibodies

• Lysozyme

• Vitamin A

Which part of the eye is the most exposed and at risk for damage?

• Sclera

• Cornea

• Retina

• Iris

What is the main function of the extrinsic eye muscles?

• To maintain eyeball shape

• To control emotional tears

• To produce tears

• To produce eye movements

Which cranial nerve controls the muscles of the iris?

• IV (trochlear)

• VI (abducens)

• II (optic)

• III (oculomotor)

What is the role of the conjunctiva?

• To focus light

• To produce tears

• To protect and lubricate the eyeball

• To connect the eye to the brain

Where is the fovea centralis located?

• In the cornea

• In the optic nerve

• In the center of the retina

• In the iris